| 1500 Women Overall 2021 to 5:05.0 | Head to Head Top 10 |
| Rank | Perf | | | PB | | Name | | Year | Coach | Club | Venue | Date | |
| 1 | 3:54.50 | | | 3:54.50 | PB | Laura Muir | | 6 | Andy Young | Dundee Hawkhill | Tokyo, JPN | 6 Aug 21 |  |
| 2 | 4:02.12 | | | 4:00.97 | | Eilish McColgan | | 9 | Liz Nuttall | Dundee Hawkhill | Florence, ITA | 10 Jun 21 | |
| 3 | 4:02.77 | | | 3:56.72 | | Katie Snowden | | 5 | Daniel Stepney | Herne Hill | Tokyo, JPN | 2 Aug 21 | |
| UKA OLYMPIC STANDARD: 4:04.20 |
| 4 | 4:04.72 | | | 3:58.65 | | Jemma Reekie | | 1 | Andy Young | Kilbarchan | Lausanne, SUI | 26 Aug 21 | |
| 5 | 4:04.79 | i | | 3:58.01 | | Melissa Courtney-Bryant | | 6 | Rob Denmark | Poole AC | Liévin, FRA | 9 Feb 21 | |
| 4:14.64 | | | | | | | | | | Marseille, FRA | 9 Jun 21 | |
| 6 | 4:06.23 | | | 4:03.84 | | Revee Walcott-Nolan | | 4 | | Luton | Tokyo, JPN | 2 Aug 21 | |
| 7 | 4:06.54 | | | 4:03.95 | | Ellie Baker | | 1 | Jon Bigg | Shaftesbury Barnet | Watford | 11 Aug 21 | |
| 8 | 4:06.56 | | | 3:58.77 | | Adelle Tracey | | 6 | Craig Winrow | Guildford & Godalming | Watford | 11 Aug 21 | |
| 9 | 4:07.06 | | | 4:07.06 | PB | Alexandra Bell | | 7 | Andrew Henderson | Pudsey & Bramley | Berlin, GER | 12 Sep 21 | |
| 10 | 4:07.20 | | | 4:07.20 | PB | Holly Archer | | 6 | Andrew Parmenter | Cambridge & Coleridge | Portland OR, USA | 29 May 21 | |
| 11 | 4:07.46 | | | 4:06.29 | | Erin Wallace | U23 | -2 | Andy Young | Giffnock North | Livingston | 3 Sep 21 | |
| 12 | 4:07.92 | | | 4:03.73 | | Jessica Warner-Judd | | 4 | Mick Judd | Blackburn | Sportcity | 29 May 21 | |
 UK 10 TARGET: 4:08.00 |
| 13 | 4:09.34 | | | 4:09.34 | PB | Verity Ockenden | | 8 | Tony Houchin | Swansea | Phoenix AZ, USA | 24 Apr 21 | |
| 14 | 4:09.52 | | | 4:08.68i | | Amy-Eloise Markovc | | 4 | | Wakefield | Charlottesville VA, USA | 16 Apr 21 | |
| 15 | 4:11.48 | | | 4:08.24 | | Jenny Selman | | 8 | | Fife | Sportcity | 26 Jun 21 | |
| 16 | 4:12.24 | | | 4:12.24 | PB | Hannah Segrave | | 4 | Chris Layne | Middlesbrough (Mandale) | Raleigh NC, USA | 26 Mar 21 | |
| 17 | 4:12.30 | | | 4:05.66 | | Hannah Nuttall | | 2 | John Nuttall | Charnwood | Stretford | 7 Sep 21 | |
| 18 | 4:12.53 | | | 4:12.53 | PB | Elizabeth Bird | | 5 | | Shaftesbury Barnet | Stretford | 15 Jun 21 | |
| 19 | 4:13.4 | | | 4:12.52 | | Aimee Pratt | | 2 | | Sale Harriers Manchester | Blackburn | 19 Jun 21 | |
| 20 | 4:14.20 | | | 4:12.80 | | Sabrina Sinha | U23 | -1 | Bud Baldaro | Cambridge H | Loughborough | 24 Jul 21 | |
| 21 | 4:14.59 | | | 4:10.6 | | Sarah Calvert | U23 | -3 | Lewis Walker | Livingston | Grangemouth | 15 Aug 21 | |
| 22 | 4:15.1 | | | 4:13.12 | | Jennifer Nesbitt | | 4 | | Cardiff | Cardiff | 21 Jul 21 | |
| 23 | 4:15.11 | | | 4:15.11 | PB | Kathryn Gillespie | | 3 | Amanda Gillespie | Central | Scotstoun | 30 Jul 21 | |
| 24 | 4:15.41 | | | 4:10.60 | | Niamh Bridson Hubbard | | 1 | Philip O'Dell | Blackheath & Bromley | Watford | 25 Aug 21 | |
| 25 | 4:15.63 | | | 4:15.63 | PB | Lilly Hawkins | | 3 | Steven Phillips | Southampton | Watford | 28 Jul 21 | |
| 26 | 4:15.83 | | | 4:15.83 | PB | Lucy Robinson | | 2 | Kieron Hall | Wakefield | Sportcity | 26 Jun 21 | |
| 27 | 4:16.00 | | | 4:10.17 | | Madeleine Murray | | 6 | Mark Pollard | Edinburgh AC | Murrumbeena, AUS | 18 Mar 21 | |
| 28 | 4:16.19 | | | 4:13.70 | | Cari Hughes | U23 | -1 | Andrew Walling | Cardiff | Sportcity | 26 Jun 21 | |
| 29 | 4:16.50 | | | 4:16.50 | PB | Lilly Coward | | 3 | Craig Winrow | Invicta East Kent | Watford | 12 Jun 21 | |
| 30 | 4:16.73 | | | 4:11.33 | | Ellie Leather | | 1 | Jason Michael | Yate | Lexington KY, USA | 1 May 21 | |
| 31 | 4:16.81 | | | 4:09.07 | | Alexandra Millard | U23 | -3 | Bill Foster | Invicta East Kent | Watford | 12 Jun 21 | |
| 32 | 4:16.88 | | | 4:09.71 | | Amy Griffiths | | 3 | Luke Gunn | Aldershot, Farnham & District | Sportcity | 27 May 21 | |
| 33 | 4:17.05 | | | 4:17.05 | PB | Emily Thompson | U23 | -2 | Luke Gunn | Banbury | Watford | 11 Aug 21 | |
| 34 | 4:17.07 | | | 4:17.07 | PB | Izzy Fry | U23 | -2 | Steve Vernon | Newbury | Watford | 11 Aug 21 | |
| 35 | 4:17.24 | | | 4:12.96 | | Jennifer Walsh | | 6 | Philip Townsend | Leeds City | Loughborough | 24 Jul 21 | |
| 36 | 4:17.56 | | | 4:15.42 | | Kate Avery | | 8 | | Shildon | Sportcity | 26 Jun 21 | |
| 37 | 4:17.60 | | | 4:14.52 | | Beth Kidger | | 5 | Joel Kidger | Brighton Phoenix | Eltham | 14 Jul 21 | |
| 38 | 4:17.67 | | | 4:13.54 | | Gemma Kersey | | 7 | Ellie Meadows | Basildon | Sportcity | 29 May 21 | |
| 39 | 4:18.39 | | | 4:18.39 | PB | Isabelle Boffey | U23 | -2 | Luke Gunn | Enfield & Haringey | Stretford | 8 May 21 | |
| 40 | 4:18.94 | | | 4:18.94 | PB | Abigail Ives | U20 | -6 | | Basildon | Watford | 11 Aug 21 | |
| 41 | 4:19.44 | | | 4:15.98 | | Philippa Stone | | 1 | Martin Peevor | Middlesbrough (Mandale) | Loughborough | 24 Jul 21 | |
| 42 | 4:19.57 | | | 4:17.30 | | Sarah Tait | U23 | -3 | Linda Smith | Lasswade | Scotstoun | 30 Jul 21 | |
| 43 | 4:19.99 | | | 4:17.26 | | Megan Keith | U20 | -4 | Ross Cairns | Inverness | Grangemouth | 15 Aug 21 | |
| 44 | 4:20.14 | | | 4:15.94 | | Stephie Pennycook | | 4 | | Fife | Birmingham (U) | 9 Jun 21 | |
| 45 | 4:20.20 | | | 4:15.16 | | Alexandra Shipley | U23 | -1 | | MK Distance Project | Watford | 28 Jul 21 | |
| 46 | 4:20.25 | | | 4:17.99 | | Maisie Grice | U23 | -2 | Bud Baldaro | Aldershot, Farnham & District | Watford | 25 Aug 21 | |
| 47 | 4:20.35 | | | 4:16.81 | | Millie Howard | | 1 | Kieron Hall | Harrogate | Chester-le-Street | 19 Jul 21 | |
| 48 | 4:20.62 | | | 4:20.62 | PB | Juliet Hodder | U23 | -2 | Craig Winrow | Wirral | Bromley | 22 May 21 | |
| 49 | 4:20.92 | | | 4:15.10 | | Elise Thorner | U23 | -3 | | Wells City | Clovis CA, USA | 30 Apr 21 | |
| 50 | 4:21.53 | | | 4:18.71 | | Danielle Hodgkinson | V35 | 15 | Tom Craggs | Wallsend | Jarrow | 21 Jul 21 | |
| 51 | 4:21.64 | | | 4:19.30 | | Charlotte Crook | U23 | -1 | Peter Crook | Preston | Tampa FL, USA | 16 May 21 | |
| 52 | 4:21.78 | | | 4:20.27 | | Issy Cotham | | 1 | Dean Miller | Wolverhampton & Bilston | Stretford | 24 Aug 21 | |
| 53 | 4:22.09 | | | 4:18.21 | | Sarah Chapman | | 1 | Shireen Higgins | Windsor Slough Eton & Hounslow | Columbia MO, USA | 9 Apr 21 | |
| 54 | 4:22.64 | | | 4:21.16 | | Anna Tait | | 3 | William Parker | Victoria Park City of Glasgow | Azusa CA, USA | 17 Apr 21 | |
| 55 | 4:22.7 | | | 4:19.23 | | Sophie Tarver | | 1 | Bill Foster | Wirral | Leeds | 9 Aug 21 | |
| 56 | 4:22.79 | | | 4:15.39 | | Rachel McClay | | 7 | | Bracknell AC | Watford | 28 Jul 21 | |
| 57 | 4:22.83 | | | 4:15.63 | | Jade Williams | | 7 | | Amman Valley | Birmingham (U) | 21 Apr 21 | |
| 58 | 4:22.99 | | | 4:22.99 | PB | Olivia Vareille | U23 | -2 | William Sharp | Falkirk | Scotstoun | 30 Jul 21 | |
| 59 | 4:23.06 | | | 4:19.97 | | Amelia Samuels | U23 | -3 | John Abbiss | Wolverhampton & Bilston | Sportcity | 29 May 21 | |
| 60 | 4:23.11 | | | 4:23.11 | PB | Abigail Howarth | | 7 | | Leigh | Stretford | 10 Aug 21 | |
| 61 | 4:23.33 | i | | 4:09.09 | | Eloise Walker | U23 | -3 | Andy Young | Edinburgh AC | Sportcity | 21 Feb 21 | |
| 62 | 4:23.48 | | | 4:18.71 | | Rebecca Johnson | | 4 | Lewis Walker | Highgate | Birmingham (U) | 9 Jun 21 | |
| 63 | 4:23.56 | | | 4:21.96 | | Hannah Cameron | | 2 | Andrew Ferguson Jnr | Edinburgh AC | Scotstoun | 30 Jul 21 | |
| 64 | 4:23.72 | | | 4:21.87 | | Saskia Millard | U23 | -2 | Luke Gunn | Herne Hill | Sportcity | 29 May 21 | |
| 65 | 4:23.89 | | | 4:23.89 | PB | Ty Brockley-Langford | U20 | -4 | Paul Roden | Salford H | Stretford | 10 Aug 21 | |
| 66 | 4:24.44 | | | 4:23.04 | | Beth Ansell | | 5 | | Sheffield & Dearne | Scotstoun | 30 Jul 21 | |
| 67 | 4:24.55 | | | 4:24.55 | PB | Rachel Friend | | 8 | Philip Townsend | Leeds City | Stretford | 24 Aug 21 | |
| 68 | 4:24.57 | | | 4:24.57 | PB | Stephanie Moss | U20 | -4 | Trevor Painter | Sale Harriers Manchester | Austin TX, USA | 25 Mar 21 | |
| 69 | 4:24.63 | | | 4:18.74 | | Jessica Spilsbury | U20 | -5 | Richard Goddard | Trafford | Sportcity | 9 Jul 21 | |
| 70 | 4:24.65 | | | 4:22.10 | | Keira Brady-Jones | U17 | -7 | Sarah Kearney | Wirral | Sportcity | 18 Aug 21 | |
| 71 | 4:24.75 | | | 4:18.32 | | Kate Seary | | 3 | Luke Gunn | Cardiff | Cardiff | 14 Aug 21 | |
| 72 | 4:24.89 | | | 4:23.71 | | Hannah Viner | | 3 | | Highgate | Watford | 12 Jun 21 | |
| 73 | 4:24.92 | | | 4:23.36 | | Alexandra Brown | U23 | -3 | | Herne Hill | Sportcity | 29 May 21 | |
| 74 | 4:24.98 | | | 4:20.22 | | Philippa Millage | V40 | 19 | William Parker | Victoria Park City of Glasgow | Watford | 12 Jun 21 | |
| 75 | 4:25.24 | | | 4:21.28 | | Pippa Roessler | U20 | -6 | Mick Woods | Aldershot, Farnham & District | Eltham | 14 Aug 21 | |
| 76 | 4:25.57 | | | 4:23.12 | | Emily Ruane | | 3 | Philip O'Dell | City of Norwich | Eltham | 14 Aug 21 | |
| 77 | 4:25.59 | | | 4:25.59 | PB | Emily Moyes | | 1 | Mick Woods | Aldershot, Farnham & District | Loughborough | 24 Jul 21 | |
| 78 | 4:25.65 | | | 4:19.93 | | Lauren Church | | 1 | Mark Booth | Reading AC | Watford | 12 Jun 21 | |
| 79 | 4:25.86 | i+ | | 4:12.19 | | Amelia Quirk | U23 | -1 | Mick Woods | Bracknell AC | Torun, POL | 5 Mar 21 | |
| 80 | 4:25.89 | | | 4:25.32 | | Holly Dixon | | 2 | | Cambridge H | Watford | 11 Aug 21 | |
| 81 | 4:25.95 | | | 4:12.30 | | Katy-Ann McDonald | U23 | -2 | Adijat Mumunie | Blackheath & Bromley | Tuscaloosa AL, USA | 9 Apr 21 | |
| 82 | 4:26.07 | | | 4:18.34 | | Isobel Ives | | 1 | Mick Judd | Basildon | Lee Valley | 6 Jun 21 | |
| 83 | 4:26.25 | | | 4:26.25 | PB | Zoe Bates | | 1 | Aaron Odentz | Aberdeen | Watford | 12 Jun 21 | |
| 84 | 4:26.46 | | | 4:24.45 | | Emily Kearney | | 4 | Ronan Kearney | Wirral | Columbia SC, USA | 20 Mar 21 | |
| 85 | 4:26.63 | | | 4:15.97 | | Phoebe Anderson | U20 | -4 | Wayne Vinton | Herne Hill | Eltham | 4 Aug 21 | |
| 86 | 4:26.67 | | | 4:26.67 | PB | Aimi Weightman | U17 | -6 | Dave Weightman | Shaftesbury Barnet | Watford | 12 Jun 21 | |
| 87 | 4:26.99 | | | 4:26.99 | PB | Holly Page | U23 | -2 | Lewis Walker | Dartford H | Stretford | 8 May 21 | |
| 87 | 4:26.99 | | | 4:26.99 | PB | Sarah Coutts | U20 | -5 | | Fife | Chester-le-Street | 19 Jul 21 | |
| 89 | 4:27.00 | | | 4:21.50 | | Jodie Judd | | 1 | Mick Judd | Chelmsford | Gainsville FL, USA | 3 Apr 21 | |
| 90 | 4:27.05 | | | 4:16.49 | | Angharad Davies | | 8 | | Carmarthen | Cardiff | 14 Aug 21 | |
| 91 | 4:27.14 | | | 4:27.14 | PB | Ellen Mary Kearney | U20 | -5 | Sarah Kearney | Wirral | Sportcity | 18 Aug 21 | |
| 92 | 4:27.16 | | | 4:24.80 | | Alex Eykelbosch | | 4 | | Dacorum | Eltham | 14 Aug 21 | |
| 93 | 4:27.18 | | | 4:25.43 | | Emily Shaw | U20 | -6 | Bob Smith | Wimborne | Bedford | 19 Jun 21 | |
| 94 | 4:27.27 | | | 4:27.27 | PB | Lauren McNeil | U20 | -4 | Richard Massey | Mansfield | Eltham | 14 Aug 21 | |
| 95 | 4:27.37 | | | 4:27.37 | PB | Rebecca Rossiter | U17 | -6 | Andrew Han | Loughview AC | Belfast | 28 Aug 21 | |
| UK 100 TARGET: 4:27.50 |
| 96 | 4:27.59 | | | 4:26.53 | | Kaitlyn Sheppard | U20 | -6 | Andrew Beadle | Cheltenham | Birmingham (U) | 9 Jun 21 | |
| 97 | 4:27.62 | | | 4:23.18 | | Tessa McCormick | | 4 | Bev Hartigan | Vale Royal | Eltham | 14 Aug 21 | |
| 98 | 4:27.8 | | | 4:14.36 | | Kate Holt | | 7 | Alan Morris | City of Stoke | Burton | 14 Aug 21 | |
| 99 | 4:27.90 | | | 4:11.96 | | Phoebe Gill | U15 | -9 | Deborah Steer | St. Albans AC | Watford | 25 Aug 21 | |
| 100 | 4:28.07 | | | 4:23.24 | | Rachel Gibson | | 8 | Francis Marsh | North Down | Watford | 12 Jun 21 | |
| 100 | 4:28.07 | | | 4:22.56 | | Jess Bailey | U17 | -8 | | Leven Valley | Bedford | 19 Jun 21 | |
| 102 | 4:28.15 | | | 4:23.19 | | India Weir | U23 | -1 | | Thames Valley | Raleigh NC, USA | 26 Mar 21 | |
| 103 | 4:28.25 | | | 4:19.48 | | Yasmin Austridge | U23 | -2 | Luke Gunn | Blackheath & Bromley | Birmingham (U) | 12 May 21 | |
| 104 | 4:28.37 | | | 4:17.79 | | Francesca Brint | U23 | -2 | Luke Gunn | Sale Harriers Manchester | Stretford | 8 May 21 | |
| 105 | 4:28.52 | | | 4:28.52 | PB | Alex Mundell | | 4 | David Wilkinson | Thames Valley | Watford | 28 Jul 21 | |
| 106 | 4:28.57 | | | 4:19.58 | | Maddie Deadman | U23 | -2 | | Basingstoke & Mid Hants | Loughborough | 24 Jul 21 | |
| 107 | 4:28.60 | | | 4:23.61 | | Beatrice Wood | U20 | -5 | Dave Amey | City of Salisbury | Eltham | 14 Aug 21 | |
| 108 | 4:28.65 | | | 4:28.65 | PB | Ruby Simpson | U17 | -7 | Trevor Painter | Hallamshire | Loughborough | 4 Sep 21 | |
| 109 | 4:28.67 | | | 4:28.67 | PB | Ellie Farrow | U23 | -3 | Alex Budd | City of Portsmouth | Birmingham (U) | 12 May 21 | |
| 110 | 4:28.77 | | | 4:26.88 | | Zoe Wassell | U23 | -1 | Bill Foster | Bristol & West | Azusa CA, USA | 17 Apr 21 | |
| 111 | 4:28.88 | | | 4:28.88 | PB | Mena Scatchard | U20 | -5 | Kieron Hall | Leeds City | Sportcity | 29 May 21 | |
| 111 | 4:28.88 | | | 4:27.75 | | Elsa Palmer | U23 | -3 | Dean Miller | Dorking & Mole Valley | Birmingham (U) | 31 Jul 21 | |
| 113 | 4:28.93 | | | 4:28.93 | PB | Lauren Cooper | | 5 | Nicola Haines-Jones | Parc Bryn Bach | Cardiff | 14 Aug 21 | |
| 114 | 4:29.23 | | | 4:27.05 | | Emma Howsham | | 4 | Mark Booth | Reading AC | Watford | 12 Jun 21 | |
| 115 | 4:29.33 | | | 4:22.14 | | Alice Bates | U17 | -7 | Shane Smith | Kettering | Watford | 28 Jul 21 | |
| 116 | 4:29.37 | | | 4:25.83 | | Chloe Sharp | U23 | -1 | | Central Park | Loughborough | 23 May 21 | |
| 117 | 4:29.38 | | | 4:22.17 | | Katie Lowery | U23 | -1 | Mark Nixon | Warrington AC | Scotstoun | 30 Jul 21 | |
| 118 | 4:29.5 | | | 4:18.58 | | Ellie Wallace | U23 | -1 | Julian Emery | North Somerset | Cheltenham | 14 Jul 21 | |
| 119 | 4:29.71 | | | 4:29.71 | PB | Katie Johnson | U17 | -7 | | Edinburgh AC | Stretford | 8 May 21 | |
| 120 | 4:30.05 | | | 4:20.71 | | Suzie Monk | | 4 | Sue Goode | Guildford & Godalming | Eltham | 14 Aug 21 | |
| 121 | 4:30.08 | | | 4:18.86 | | Shaikira King | U15 | -10 | John Skevington | Wreake & Soar Valley | Sportcity | 11 Jul 21 | |
| 122 | 4:30.15 | | | 4:30.15 | PB | Tara Bage | | 1 | Jon Bigg | Brighton Phoenix | Exeter | 29 Jun 21 | |
| 123 | 4:30.17 | | | 4:28.29 | | Natalie Griffiths | | 12 | Steven Phillips | Southampton | Watford | 25 Aug 21 | |
| 124 | 4:30.23 | | | 4:27.16 | | Sinead Bent | | 3 | Duncan Mason | Salford H | Loughborough | 24 Jul 21 | |
| 125 | 4:30.33 | | | 4:23.02 | | Iris Downes | U17 | -7 | Colin Lancaster | Shrewsbury | Loughborough | 24 Jul 21 | |
| 126 | 4:30.39 | | | 4:28.03i | | Isabel Rodriguez | | 3 | James Senior | City of Norwich | Watford | 12 Jun 21 | |
| 127 | 4:30.56 | | | 4:24.71 | | Scarlett Livingstone | U17 | -7 | | Exeter | Sportcity | 10 Jul 21 | |
| 128 | 4:30.57 | | | 4:30.57 | PB | Femke Rosbergen | U20 | -4 | | City of Norwich | Bedford | 19 Jun 21 | |
| 128 | 4:30.57 | | | 4:26.90 | | Niamh Brown | U23 | -1 | | Aldershot, Farnham & District | Eltham | 14 Aug 21 | |
| 130 | 4:30.62 | | | 4:29.82 | | Jessica Varley | | 4 | | Peterborough & Nene Valley | Loughborough | 24 Jul 21 | |
| 131 | 4:30.70 | | | 4:28.72 | | Robyn McKee | | 5 | | Annadale | Belfast | 31 Jul 21 | |
| 132 | 4:30.76 | | | 4:30.76 | PB | Alice Garner | U20 | -5 | Mick Woods | Aldershot, Farnham & District | Aldershot | 4 Aug 21 | |
| 133 | 4:30.77 | | | 4:30.77 | PB | Yasmin Goater | | 8 | | Highgate | Watford | 12 Jun 21 | |
| 133 | 4:30.77 | | | 4:30.77 | PB | Evie Thomson | U17 | -8 | Richard Harris | Rotherham | Sportcity | 10 Jul 21 | |
| 135 | 4:30.96 | | | 4:26.69 | | Cara Laverty | U20 | -5 | Sean Laverty | Finn Valley | Belfast | 10 Jul 21 | |
| 136 | 4:31.03 | | | 4:18.68 | | Tilly Simpson | U23 | -2 | Luke Gunn | Sheffield & Dearne | Nottingham | 12 Sep 21 | |
| 137 | 4:31.19 | | | 4:28.90 | | Nicole McGovern | U17 | -7 | Idris Hamud | Shaftesbury Barnet | Kingston | 22 Aug 21 | |
| 138 | 4:31.27 | | | 4:31.27 | PB | Emma Macalister Hall | | 10 | | Highgate | Watford | 28 Jul 21 | |
| 139 | 4:31.38 | | | 4:31.38 | PB | Anna Mason | U20 | -6 | Graeme Mason | Border | Sportcity | 9 Jul 21 | |
| 139 | 4:31.38 | | | 4:23.85 | | Hannah Ryding | U17 | -7 | | Giffnock North | Scotstoun | 30 Jul 21 | |
| 141 | 4:31.44 | | | 4:12.49 | | Julia Cooke | | 11 | Bud Baldaro | Birchfield H | Birmingham (U) | 12 May 21 | |
| 142 | 4:31.70 | | | 4:31.70 | PB | Sophie Nicholls | U17 | -8 | Simon Prior | City of Salisbury | Sportcity | 29 May 21 | |
| 143 | 4:31.74 | | | 4:16.77 | | Annie Mann | U17 | -8 | James Mann | Southampton | Portsmouth | 11 Jul 21 | |
| 144 | 4:31.78 | | | 4:25.53 | | Freya Bennett | U20 | -5 | Dean Miller | Coventry | Milton Keynes | 5 Jun 21 | |
| 145 | 4:31.80 | | | 4:31.80 | PB | Louisa Brown | U17 | -7 | Alex Chalmers | Garscube | Scotstoun | 30 Jul 21 | |
| 146 | 4:31.94 | | | 4:31.94 | PB | Emily Parker | U20 | -6 | Joe Oatley | Poole AC | Southampton | 16 May 21 | |
| 147 | 4:31.99 | | | 4:27.47 | | Nynke Mulholland-Stümmer | | 7 | Martin Mulholland | Inverclyde | Scotstoun | 30 Jul 21 | |
| 148 | 4:32.20 | | | 4:14.56 | | Ella Greenway | U17 | -7 | Joanna Evans | Cleethorpes | Hull | 23 May 21 | |
| 149 | 4:32.25 | | | 4:23.10 | | Samantha Mason | U20 | -4 | Duncan Mason | Salford H | Sportcity | 29 May 21 | |
| 150 | 4:32.26 | | | 4:32.26 | PB | Alice Newcombe | | 1 | Mark Vile | Cambridge & Coleridge | Fayetteville AR, USA | 7 May 21 | |
| 151 | 4:32.35 | | | 4:26.65 | | Lucy Foster | U17 | -8 | | Willowfield | Dublin (S), IRL | 11 Sep 21 | |
| 152 | 4:32.45 | | | 4:32.45 | PB | Zoe Doyle | V40 | 21 | Lewis Moses | Wycombe | Eltham | 14 Aug 21 | |
| 153 | 4:32.53 | | | 4:19.86 | | Emily Simpson | U23 | -2 | John Wood | Sheffield & Dearne | Nuneaton | 7 Aug 21 | |
| 154 | 4:32.57 | | | 4:27.90 | | Chloe Crossman | | 5 | Alli Crossman | Guildford & Godalming | Wimbledon | 2 Jun 21 | |
| 154 | 4:32.57 | | | 4:32.05 | | Freya Murdoch | U15 | -9 | Mike Nixon | Stockport | Sportcity | 7 Aug 21 | |
| 156 | 4:32.58 | | | 4:32.58 | PB | Freya Stapleton | U20 | -5 | Kyle Bennett | Shaftesbury Barnet | Eltham | 14 Aug 21 | |
| 157 | 4:32.68 | | | 4:15.24 | | Gemma Finch | | 2 | Andy Sleap | Basingstoke & Mid Hants | Mobile AL, USA | 12 Mar 21 | |
| 158 | 4:32.71 | + | | 4:20.92 | | Naomi Lang | U23 | -2 | | Aberdeen | Stirling | 21 May 21 | |
| 158 | 4:32.71 | | | 4:32.71 | PB | Catriona Witcombe | | 11 | Steven Phillips | Southampton | Watford | 28 Jul 21 | |
| 160 | 4:32.80 | | | 4:32.80 | PB | Alyssa Davey | U23 | -3 | Paul Roden | Sale Harriers Manchester | Sportcity | 29 May 21 | |
| 161 | 4:32.84 | | | 4:32.84 | PB | Katie Youp | U17 | -7 | James Mann | Southampton | Sportcity | 10 Jul 21 | |
| 162 | 4:32.88 | | | 4:32.88 | PB | Grace Roberts | U17 | -6 | Andrew Carter | Vale Royal | Sportcity | 10 Jul 21 | |
| 163 | 4:32.94 | | | 4:32.94 | PB | Tabatha Walford | U23 | -2 | Alex Stanton | Bedford & County | Fresno CA, USA | 14 May 21 | |
| 164 | 4:32.96 | | | 4:30.85 | | Lilia Harris | U15 | -9 | Richard Harris | Rotherham | Sportcity | 7 Aug 21 | |
| 165 | 4:33.02 | | | 4:33.02 | PB | Isobel Cotterill | U15 | -8 | | Team Bath | Sportcity | 11 Jul 21 | |
| 166 | 4:33.19 | | | 4:23.76 | | Elena Carey | U23 | -2 | Mick Woods | Bracknell AC | Aldershot | 31 May 21 | |
| 167 | 4:33.20 | | | 4:31.27 | | Shen Wigfield-Turner | U20 | -6 | Andrew Henderson | Hallamshire | Bedford | 19 Jun 21 | |
| 168 | 4:33.33 | | | 4:33.33 | PB | Kirsty Purcell | U20 | -5 | Nichola Crawford | Aberdeen | Scotstoun | 30 Jul 21 | |
| 169 | 4:33.43 | | | 4:31.87 | | Toni Moore | | 1 | | Omagh | Cleveland TN, USA | 9 Apr 21 | |
| 170 | 4:33.56 | | | 4:29.88 | | Olivia Gwynn | | 2 | Kevin Tobin | Swansea | Newport | 26 Jun 21 | |
| 171 | 4:33.60 | | | 4:22.36 | | Kirsty Walker | U23 | -1 | Rob McKim | Reading AC | Watford | 12 Jun 21 | |
| 172 | 4:33.64 | | | 4:33.64 | PB | Holly Watson | U17 | -7 | Stephen Williams | Chelmsford | Kingston | 22 Aug 21 | |
| 173 | 4:33.81 | | | 4:33.81 | PB | Valencia Wright | U17 | -7 | Lynne MacDougall | Giffnock North | Grangemouth | 18 Jul 21 | |
| 174 | 4:33.86 | | | 4:33.36 | | Kate Curran | | 3 | David Liston | Cambridge H | Eltham | 4 Aug 21 | |
| 175 | 4:33.90 | | | 4:23.89 | | Molly Butterworth | U23 | -1 | David Blackburn | Doncaster | Sportcity | 29 May 21 | |
| 176 | 4:34.00 | | | 4:27.23 | | Emer McKee | U13 | -10 | | Willowfield | Belfast | 18 Jul 21 | |
| 176 | 4:34.00 | | | 4:30.08 | | Amelie Attenborough | U20 | -6 | | Guildford & Godalming | Eltham | 14 Aug 21 | |
| 178 | 4:34.01 | | | 4:20.76 | | Molly Hudson | U20 | -4 | Helen Clitheroe | Derby | Leeds | 9 Aug 21 | |
| 179 | 4:34.04 | | | 4:23.16 | | Ejiro Okoro | | 9 | | Birchfield H | Stretford | 6 Jun 21 | |
| 180 | 4:34.09 | | | 4:34.09 | PB | Caitlyn Harvey | U23 | -1 | | Lagan Valley | Belfast | 22 May 21 | |
| 181 | 4:34.11 | | | 4:24.97 | | Louise Gilbert | U23 | -2 | John Stow | Woodford Green Essex Ladies | Watford | 25 Aug 21 | |
| 182 | 4:34.17 | | | 4:31.14 | | Hannah Addison | | 2 | Joyce Hogg | Corstorphine | Scotstoun | 30 Jul 21 | |
| 183 | 4:34.49 | | | 4:27.60 | | Catherine Martin | U17 | -6 | | City of Lisburn | Belfast | 28 Aug 21 | |
| 184 | 4:34.52 | | | 4:34.52 | PB | Pippa Bailey | | 2 | Bill Foster | St. Albans AC | Eltham | 14 Aug 21 | |
| 185 | 4:34.6 | | | 4:29.39 | | Phoebe Barker | U23 | -1 | Richard Owen | Tonbridge | Cambridge | 5 May 21 | |
| 186 | 4:34.69 | | | 4:34.69 | PB | Orla Gregory | U17 | -7 | | Warrington AC | Sportcity | 10 Jul 21 | |
| 187 | 4:34.73 | | | 4:33.57 | | Alice Bennett | U17 | -8 | Shane Smith | Kettering | Milton Keynes | 5 Jun 21 | |
| 188 | 4:34.82 | | | 4:34.82 | PB | Aimee Callow | U20 | -5 | Liz Davies | Cardiff | Milton Keynes | 5 Jun 21 | |
| 189 | 4:34.85 | | | 4:34.85 | PB | Tamsin McGraw | U23 | -1 | Martin Cook | Amber Valley & Erewash | Sportcity | 3 Jul 21 | |
| 190 | 4:34.9 | | | 4:26.42 | | Victoria Hiscock | | 1 | Ian Pike | Benfleet | Reading | 2 May 21 | |
| 191 | 4:34.95 | | | 4:34.95 | PB | Anna Boniface | | 8 | Mark Booth | Reading AC | Aldershot | 4 Aug 21 | |
| 192 | 4:34.96 | | | 4:33.61 | | Georgina Campbell | U20 | -4 | Paul Hawkins | Stratford-upon-Avon | Sportcity | 9 Jul 21 | |
| 193 | 4:35.1 | | | 4:35.1 | PB | Harriet Bloor | U20 | -4 | David Leach | Lewes | Hastings | 14 Aug 21 | |
| 194 | 4:35.3 | | | 4:27.6 | | Charlotte Alexander | U20 | -4 | Luke Gunn | Tonbridge | Tonbridge | 14 Aug 21 | |
| 195 | 4:35.34 | | | 4:30.26 | | Hannah Taunton T20/F20 | | 8 | Charlotte Fisher | Taunton | Tokyo, JPN | 3 Sep 21 | |
| 196 | 4:35.64 | | | 4:35.64 | PB | Amy-Jayne Goodhand | U17 | -7 | Peter Mullervy | Invicta East Kent | Kingston | 22 Aug 21 | |
| 197 | 4:35.69 | | | 4:31.71 | | Holly Little | U23 | -1 | Lewis Walker | Victoria Park City of Glasgow | Scotstoun | 30 Jul 21 | |
| 198 | 4:35.74 | | | 4:35.74 | PB | Yasmin Kashdan | U17 | -7 | Vince Golding | Crawley | Lewes | 26 May 21 | |
| 199 | 4:35.8 | | | 4:28.62 | | Lottie Langan | U15 | -8 | Ian Wilcock | City of York | York | 16 May 21 | |
| 200 | 4:35.82 | | | 4:28.72 | | Victoria Weir | | 1 | Bud Baldaro | City of Plymouth | Corvallis OR, USA | 30 Apr 21 | |
| 200 | 4:35.82 | | | 4:25.83 | | Breanna Selley | U20 | -6 | | Unattached | Milan, ITA | 1 Sep 21 | |
| 202 | 4:35.84 | | | 4:35.84 | PB | Poppy Craig-McFeely | U20 | -6 | Wayne Vinton | Herne Hill | Wimbledon | 2 Jun 21 | |
| 203 | 4:36.01 | | | 4:36.01 | PB | Rebecca Twardochleb | U23 | -1 | Martin Bailey | Newcastle (Staffs) | Stretford | 24 Aug 21 | |
| 204 | 4:36.03 | | | 4:31.68 | | Moli Lyons | U20 | -6 | Arwyn Davies | Cardiff | Milton Keynes | 5 Jun 21 | |
| 205 | 4:36.06 | | | 4:36.06 | PB | Ellie Loosley | U17 | -8 | Richard Park | Cambridge & Coleridge | Milton Keynes | 5 Jun 21 | |
| 206 | 4:36.12 | | | 4:26.04 | | Brogan Wallace | | 4 | Jacob Howe | London Heathside | Watford | 28 Jul 21 | |
| 207 | 4:36.27 | | | 4:35.66 | | Edel Monaghan | | 1 | | Enniskillen RC | Belfast | 31 Jul 21 | |
| 208 | 4:36.38 | | | 4:29.47 | | Katy Brown | | 6 | Michael Love | Giffnock North | Eltham | 14 Jul 21 | |
| 209 | 4:36.44 | | | 4:33.20 | | Laurie Marlow | | 5 | | Reading AC | Watford | 25 Aug 21 | |
| 210 | 4:36.45 | | | 4:34.94 | | India Barwell | U17 | -7 | Roy Freeman | Lincoln Wellington | Sportcity | 8 Aug 21 | |
| 211 | 4:36.5 | | | 4:28.11 | | Fleur Todd-Warmoth | U17 | -7 | Phillip Kissi | Blackheath & Bromley | Battersea Park | 22 May 21 | |
| 212 | 4:36.57 | | | 4:36.57 | PB | Ruby Vinton | U17 | -8 | Hayley Hemmings | Shaftesbury Barnet | Milton Keynes | 5 Jun 21 | |
| 212 | 4:36.57 | | | 4:36.57 | PB | Emily Strathdee | | 3 | | Edinburgh AC | Scotstoun | 30 Jul 21 | |
| 214 | 4:36.60 | | | 4:25.51 | | Zoe Gilbody | U15 | -8 | John Skevington | Wreake & Soar Valley | Stretford | 31 May 21 | |
| 215 | 4:36.64 | | | 4:20.32 | | Abigail Stratton | U17 | -7 | Edmund Finucane | Blackburn | Stretford | 8 May 21 | |
| 216 | 4:36.67 | | | 4:33.59 | | Caitlin Purcell | U20 | -5 | Nichola Crawford | Aberdeen | Scotstoun | 30 Jul 21 | |
| 217 | 4:36.79 | | | 4:30.45 | | Ines Curran | U20 | -5 | David Lowes | Gateshead | Jarrow | 21 Jul 21 | |
| 218 | 4:36.8 | | | 4:20.70 | | Kate Willis | U20 | -4 | David Pring | City of Norwich | Norwich | 30 Apr 21 | |
| 219 | 4:36.87 | | | 4:34.91 | | Ruby Whyte-Wilding | | 2 | Dean Miller | Lewes | Sportcity | 29 May 21 | |
| 220 | 4:36.90 | | | 4:28.49 | | Holly Weedall | U17 | -6 | Andrew Carter | Vale Royal | Stretford | 10 Aug 21 | |
| 221 | 4:36.97 | | | 4:30.53 | | Megan Gadsby | U20 | -5 | Peter Gore | City of Norwich | Milton Keynes | 5 Jun 21 | |
| 222 | 4:37.01 | | | 4:16.32 | | Naomi Taschimowitz | | 10 | Charlotte Fisher | Shaftesbury Barnet | Lee Valley | 6 Jun 21 | |
| 223 | 4:37.12 | | | 4:35.83 | | Martha Collings | U20 | -4 | Steven Gillingham | Woking | Harrow | 29 Apr 21 | |
| 224 | 4:37.13 | | | 4:19.73 | | Isobelle Jones | U15 | -9 | | Wolverhampton & Bilston | Nuneaton | 11 Aug 21 | |
| 225 | 4:37.22 | | | 4:32.6 | | Rachel Clutterbuck | U17 | -8 | Shireen Higgins | Windsor Slough Eton & Hounslow | Watford | 25 Aug 21 | |
| 226 | 4:37.24 | | | 4:37.24 | PB | Hannah Robinson | | 4 | Eilish McColgan | Birchfield H | Sportcity | 29 May 21 | |
| 227 | 4:37.3 | | | 4:12.84 | | Khahisa Mhlanga | U23 | -1 | Mick Judd | Herts Phoenix | Peterborough | 6 Jun 21 | |
| 228 | 4:37.32 | | | 4:33.25i | | Lauren Wormley | U17 | -7 | Vince Golding | Crawley | Crawley | 30 Aug 21 | |
| 229 | 4:37.35 | | | 4:36.54 | | Alexa Parker | | 5 | | Kent | Bromley | 11 Sep 21 | |
| 230 | 4:37.48 | | | 4:00.46 | | Sarah McDonald | | 6 | Andrew Hobdell | Birchfield H | Sportcity | 25 Jun 21 | |
| 231 | 4:37.58 | | | 4:37.58 | PB | Eva Hardie | U23 | -3 | Lynn Cooper | Houghton Harriers | Jarrow | 21 Jul 21 | |
| 232 | 4:37.64 | | | 4:34.87 | | Charlotte Buckley | U20 | -4 | David Wilkinson | Thames Valley | Wormwood Scrubs | 3 Jul 21 | |
| 233 | 4:37.69 | | | 4:34.67 | | Maja Thomson | U17 | -7 | Alister Russell | Team East Lothian | Derby | 25 Sep 21 | |
| 234 | 4:37.74 | | | 4:37.74 | PB | Rachel Gifford | | 6 | | BRAT | Birmingham (U) | 9 Jun 21 | |
| 235 | 4:37.80 | | | 4:37.80 | PB | Imogen Saunders | U15 | -10 | John Skevington | Wreake & Soar Valley | Nuneaton | 4 Jul 21 | |
| 236 | 4:37.82 | | | 4:29.33 | | Ellie Welch | | 2 | Bill Boyd | Corby | Watford | 25 Aug 21 | |
| 237 | 4:37.84 | | | 4:37.33 | | Mia Waldmann | U20 | -5 | Mark Booth | Reading AC | Loughborough | 24 Jul 21 | |
| 238 | 4:37.9 | | | 4:25.52i | | Louise Hackett | U20 | -6 | | Wolverhampton & Bilston | Telford | 25 Jul 21 | |
| 239 | 4:37.93 | | | 4:30.00 | | Nia Clatworthy | U20 | -4 | Arwyn Davies | Cardiff | Newport | 31 Jul 21 | |
| 240 | 4:37.95 | | | 4:33.82 | | Constance Nankivell | U23 | -2 | Mark Nixon | East Sutherland | Grangemouth | 15 Aug 21 | |
| 241 | 4:38.01 | | | 4:38.01 | PB | Fern Kimber | U20 | -4 | Mark Pauley | Poole AC | Yeovil | 20 Jun 21 | |
| 242 | 4:38.02 | | | 4:28.18 | | Lucy Jones | | 1 | Luke Gunn | Charnwood | Stretford | 8 May 21 | |
| 243 | 4:38.16 | | | 4:30.57 | | Anna Hedley | U20 | -6 | Mick Woods | Fife | Scotstoun | 30 Jul 21 | |
| 244 | 4:38.25 | | | 4:32.69 | | Samia Jones | U20 | -5 | Stephen Livett | Menai | Stretford | 10 Aug 21 | |
| 245 | 4:38.26 | | | 4:38.26 | PB | Abbey Brooke | U23 | -3 | Bill Foster | Wakefield | Watford | 12 Jun 21 | |
| 246 | 4:38.4 | | | 4:38.4 | PB | Beth Hawling | | 5 | | London Heathside | Lee Valley | 11 Sep 21 | |
| 247 | 4:38.57 | | | 4:23.24 | | Kosana Weir | U23 | -1 | David Wilkinson | Thames Valley | Eltham | 23 Jun 21 | |
| 248 | 4:38.61 | | | 4:30.39 | | Rachel Wiseman | V35 | 17 | Steve Reynolds | Basildon | Watford | 25 Aug 21 | |
| 249 | 4:38.81 | | | 4:23.25 | | Abigail Hancock | U20 | -4 | | Reading AC | Loughborough | 24 Jul 21 | |
| 250 | 4:38.93 | | | 4:21.94 | | Anna Burt | U23 | -2 | Kevin Brunt | Team Bath | Birmingham (U) | 21 Apr 21 | |
| 251 | 4:38.96 | | | 4:33.94i | | Lauren Dickson | U23 | -2 | Andrew Henderson | Lasswade | Sportcity | 29 May 21 | |
| 252 | 4:38.98 | | | 4:29.77 | | Sophie Tooley | U23 | -1 | Gordon Palmer | Loughborough Students | Loughborough | 12 May 21 | |
| 252 | 4:38.98 | | | 4:38.98 | PB | Aoife McGreevy | U20 | -4 | | Lagan Valley | Belfast | 22 May 21 | |
| 254 | 4:39.18 | | | 4:33.76 | | Jenny Leggate | U17 | -7 | Richard Park | Cambridge & Coleridge | Milton Keynes | 5 Jun 21 | |
| 255 | 4:39.2 | | | 4:31.07 | | Charlotte Young | U20 | -5 | Steve Fury | Medway & Maidstone | Battersea Park | 22 May 21 | |
| 256 | 4:39.23 | | | 4:33.60 | | Dominique Corradi | U23 | -3 | Maureen Hancock | Sutton & District | Watford | 12 Jun 21 | |
| 257 | 4:39.29 | | | 4:35.12 | | Kiya Dee | U17 | -7 | | Highworth | Milton Keynes | 5 Jun 21 | |
| 258 | 4:39.3 | | | 4:39.12 | | Ciara Thornley | U17 | -7 | Andrew Beadle | Cheltenham | Cheltenham | 14 Jul 21 | |
| 259 | 4:39.32 | | | 4:16.88 | | Charlotte Taylor-Green | V35 | 14 | James Thie | Clevedon | Birmingham (U) | 12 May 21 | |
| 260 | 4:39.33 | | | 4:34.94 | | Jasmine Young | U20 | -6 | Shireen Higgins | Windsor Slough Eton & Hounslow | Aldershot | 31 May 21 | |
| 261 | 4:39.45 | | | 4:25.55 | | Emily Lowery | U23 | -3 | Steve Mitchell | Vale Royal | Loughborough | 24 Jul 21 | |
| 262 | 4:39.47 | | | 4:33.71 | | Cara Anderson | | 7 | Bev Hartigan | Perth Strathtay | Eltham | 23 Jun 21 | |
| 263 | 4:39.56 | | | 4:28.97 | | Elisha Tait | U23 | -1 | Dean Miller | Gateshead | Nuneaton | 4 Jul 21 | |
| 264 | 4:39.60 | | | 4:39.60 | PB | Eimear McCarroll | U17 | -7 | | Omagh | Belfast | 18 Jul 21 | |
| 265 | 4:39.63 | | | 4:36.07 | | Fiona de Mauny | V35 | 16 | | Herne Hill | Kingston | 7 Aug 21 | |
| 266 | 4:39.64 | | | 4:35.18 | | Ella Shirley | | 2 | Eddie Cockayne | Birchfield H | Birmingham (U) | 9 Jun 21 | |
| 267 | 4:39.71 | | | 4:39.71 | PB | Alyth Gollan | U20 | -5 | John Davies | East Sutherland | Sportcity | 29 May 21 | |
| 268 | 4:39.74 | | | 4:36.43 | | Indienne King | U20 | -6 | Shane Smith | Kettering | Watford | 28 Jul 21 | |
| 269 | 4:39.85 | | | 4:30.73 | | Georgia Ledingham | U20 | -5 | David Arnott | Corstorphine | Meadowmill | 7 Aug 21 | |
| 270 | 4:39.92 | | | 4:32.33 | | Maisie Burns | U17 | -7 | Trevor Painter | Chorley ATC | Stretford | 24 Aug 21 | |
| 271 | 4:39.93 | | | 4:28.07 | | Katy Wood | | 4 | | City of York | Sheffield | 1 Aug 21 | |
| 272 | 4:39.97 | | | 4:34.77 | | Natasha Hatswell | | 5 | Nigel Brookes | Rotherham | Sheffield | 1 Aug 21 | |
| 273 | 4:40.01 | | | 4:28.00 | | Saskia Huxham | U23 | -2 | Keith Whitelam | Hallamshire | Sheffield | 18 Apr 21 | |
| 274 | 4:40.1 | | | 4:40.1 | PB | Eleanor Strevens | U17 | -8 | Christopher Voice | Eastbourne | Brighton | 20 Jun 21 | |
| 275 | 4:40.13 | | | 4:40.13 | PB | Ruby Woolfe | | 5 | Mick Woods | Thames Hare & Hounds | Parliament Hill | 1 Sep 21 | |
| 276 | 4:40.18 | | | 4:40.18 | PB | Bethan Hardman | U17 | -7 | Steve Mitchell | Cardiff Archers | Birmingham (U) | 12 May 21 | |
| 277 | 4:40.20 | | | 4:38.11 | | Keiva Rennocks | U20 | -4 | Nigel Brookes | Rotherham | Doncaster | 30 May 21 | |
| 277 | 4:40.20 | | | 4:40.20 | PB | Katie Stringer | U17 | -6 | Trevor Painter | Sale Harriers Manchester | Sportcity | 8 Aug 21 | |
| 279 | 4:40.2 | | | 4:25.78 | | Caitlin Wosika | U23 | -1 | Paul King | Team Bath | Yate | 13 Jun 21 | |
| 280 | 4:40.21 | | | 4:22.00 | | Anna Domville | | 2 | Martin Rush | Woodford Green Essex Ladies | Woodford | 14 Aug 21 | |
| 281 | 4:40.22 | | | 4:33.68 | | Nicole Edmunds | U23 | -1 | | Hastings AC | Exeter | 31 Aug 21 | |
| 282 | 4:40.4 | | | 4:26.55 | | Olivia Martin | U17 | -7 | Bernard Wilkins | Abingdon | Banbury | 20 Jun 21 | |
| 283 | 4:40.42 | | | 4:39.60 | | Sarah Johnson | | 8 | Dena Evans | Thames Valley | Watford | 28 Jul 21 | |
| 284 | 4:40.44 | | | 4:26.79 | | Natalie Bretherton | | 2 | Alan Driver | Bristol & West | Birmingham (U) | 12 May 21 | |
| 285 | 4:40.46 | | | 4:31.48 | | Hannah Gilliland | U20 | -4 | Lawson Cochrane | Annadale | Belfast | 31 Jul 21 | |
| 285 | 4:40.46 | | | 4:40.46 | PB | Naomi Lenane | | 10 | Wesley Duncan | Epsom & Ewell | Parliament Hill | 1 Sep 21 | |
| 287 | 4:40.47 | | | 4:37.51 | | Nicola Devine | | 11 | David Tune | Rotherham | York | 19 Jun 21 | |
| 288 | 4:40.5 | | | 4:38.31 | | Natalie Sewell | U17 | -6 | Eileen Naylor | Havering | Chelmsford | 15 Aug 21 | |
| 289 | 4:40.51 | | | 4:27.25 | | Katie Olding | | 2 | David Wilkinson | Thames Valley | Eton | 28 Aug 21 | |
| 290 | 4:40.52 | | | 4:31.00 | | Cara Inch | U23 | -2 | Bill Foster | Holmfirth | Loughborough | 24 Jul 21 | |
| 291 | 4:40.6 | | | 4:40.6 | PB | Sophie Wilson | U23 | -1 | | Cambridge & Coleridge | Cambridge | 5 May 21 | |
| 292 | 4:40.62 | | | 4:28.56 | | Alice Murray-Gourlay | | 7 | Charlotte Fisher | Taunton | Yeovil | 22 Aug 21 | |
| 293 | 4:40.63 | | | 4:40.63 | PB | Jessica Hill | U17 | -7 | Arthur Daley | Gloucester | Exeter | 31 Aug 21 | |
| 294 | 4:40.68 | | | 4:37.25 | | Felicity Williamson-Sarll | | 1 | Ridley Griffith | Cardiff | Parliament Hill | 1 Sep 21 | |
| 295 | 4:40.69 | | | 4:34.33 | | Hattie Reynolds | U17 | -7 | Tim Ash | North Norfolk Harriers | Sportcity | 10 Jul 21 | |
| 296 | 4:40.7 | | | 4:40.7 | PB | Libby Huxley | U20 | -6 | Andy Bibby | Preston | Blackpool | 21 Aug 21 | |
| 297 | 4:40.83 | | | 4:32.89 | | Lottie Quinn | U15 | -10 | Mick Woods | Aldershot, Farnham & District | Aldershot | 4 Aug 21 | |
| 298 | 4:40.84 | | | 4:22.20 | | Hannah Anderson | U20 | -4 | | East Kilbride | Grangemouth | 15 Aug 21 | |
| 299 | 4:40.88 | | | 4:34.53 | | Meg Rapley | U23 | -1 | | Basildon | Hickory NC, USA | 25 Apr 21 | |
| 299 | 4:40.88 | | | 4:40.88 | PB | Emma Stahr | | 3 | | Poole AC | Exeter | 29 Jun 21 | |
| 301 | 4:40.94 | | | 4:23.58 | | Stevie Lawrence | | 2 | Mick Woods | Croydon | Raleigh NC, USA | 26 Mar 21 | |
| 302 | 4:41.08 | | | 4:37.97 | | Abigail Reid | U15 | -9 | John Stow | Woodford Green Essex Ladies | Dagenham | 26 Jun 21 | |
| 303 | 4:41.29 | | | 4:41.29 | PB | Gabrielle Hodson | U17 | -7 | Katie Hewison | Chorley ATC | Stretford | 25 Sep 21 | |
| 304 | 4:41.36 | | | 4:41.36 | PB | Kirsten Fraser | U15 | -9 | Les Rayment | Bracknell AC | Sportcity | 7 Aug 21 | |
| 305 | 4:41.44 | | | 4:41.44 | PB | Lucy Elms | U23 | -2 | Dean Miller | Dulwich | Sportcity | 29 May 21 | |
| 306 | 4:41.45 | | | 4:41.2 | | Annabel Carter | | 5 | | Tonbridge | Eltham | 23 Jun 21 | |
| 307 | 4:41.48 | | | 4:30.82 | | Charlotte Wormley | U17 | -7 | Vince Golding | Crawley | Bromley | 22 May 21 | |
| 308 | 4:41.50 | | | 4:41.50 | PB | Zoe Tompkins | U23 | -2 | James McDonald | Herne Hill | Eltham | 4 Aug 21 | |
| 309 | 4:41.62 | | | 4:41.62 | PB | Izzi O'Brien | U20 | -6 | | City of York | Sheffield | 9 Jun 21 | |
| 310 | 4:41.69 | | | 4:41.69 | PB | Georgina Clarke | U20 | -5 | Anne Hegvold | Hercules Wimbledon | Millfield | 29 May 21 | |
| 311 | 4:41.7 | | | 4:20.99 | | Louise Small | | 7 | Mick Woods | Aldershot, Farnham & District | Aldershot | 20 Jun 21 | |
| 312 | 4:41.78 | | | 4:38.32 | | Isla Bryson | U15 | -8 | Gavin Pavey | Exeter | Exeter | 31 Aug 21 | |
| 313 | 4:41.81 | | | 4:37.78 | | Demi Eves | U20 | -5 | Brenda Stone | Thurrock | Watford | 25 Aug 21 | |
| 313 | 4:41.81 | | | 4:32.35 | | Amy Teasdale | U15 | -9 | | Kilbarchan | Aberdeen | 28 Aug 21 | |
| 315 | 4:41.86 | | | 4:26.09 | | Morgan Squibb | U20 | -5 | Andy Frankish | Blackheath & Bromley | Bromley | 11 Sep 21 | |
| 316 | 4:41.88 | | | 4:41.88 | PB | Lauren Cunild | U23 | -1 | Steve McGowan | Northampton | Athens GA, USA | 1 May 21 | |
| 316 | 4:41.88 | | | 4:26.07 | | Katie Pye | U15 | -9 | Mick Woods | Aldershot, Farnham & District | Kingston | 21 Aug 21 | |
| 318 | 4:41.89 | | | 4:38.9 | | Hannah Blundy | U17 | -7 | | Wells City | Exeter | 29 Jun 21 | |
| 319 | 4:41.96 | | | 4:35.87 | | Stephanie Hewitt | | 4 | Jim Young | Belgrave | Watford | 25 Aug 21 | |
| 320 | 4:41.97 | | | 4:41.97 | PB | Isabelle Price | U17 | -7 | | Wolverhampton & Bilston | Birmingham (U) | 12 May 21 | |
| 321 | 4:42.02 | | | 4:42.02 | PB | Erin MacFarlane | U17 | -7 | Steven Doig | Pitreavie | Aberdeen | 29 Aug 21 | |
| 322 | 4:42.06 | | | 4:36.85 | | Emily McNicol | U23 | -1 | Edward McQuillan | Law | Scotstoun | 30 Jul 21 | |
| 323 | 4:42.14 | | | 4:38.36 | | Olivia Logan | U20 | -6 | Katie Hewison | Southport Waterloo | Stretford | 9 May 21 | |
| 324 | 4:42.26 | | | 4:33.75 | | Ava Downey | U17 | -8 | | City of Lisburn | Belfast | 29 May 21 | |
| 324 | 4:42.26 | | | 4:36.20 | | Hannah Kinane | U17 | -8 | | Swansea | Sollentuna, SWE | 13 Jun 21 | |
| 326 | 4:42.27 | | | 4:42.0 | | Hannah Roberts | U20 | -4 | Ken Spencer | Bracknell AC | Aldershot | 31 May 21 | |
| 327 | 4:42.28 | | | 4:37.43 | | Charlotte Dillon | U15 | -8 | | Durham | Middlesbrough | 9 May 21 | |
| 328 | 4:42.36 | | | 4:38.83 | | Lara Crawford | U20 | -5 | Paul Roden | Sale Harriers Manchester | Stretford | 18 May 21 | |
| 329 | 4:42.38 | | | 4:42.38 | PB | Rebecca Flaherty | U17 | -7 | | Bingley | York | 21 Aug 21 | |
| 330 | 4:42.39 | | | 4:12.27 | | Hannah Brooks | | 11 | | Crawley | Tonbridge | 6 Jun 21 | |
| 331 | 4:42.44 | | | 4:26.82 | | Jessica Norkett | U20 | -5 | | Thetford | Lee Valley | 6 Jun 21 | |
| 332 | 4:42.55 | | | 4:42.55 | PB | Emily Russell | U20 | -5 | Duncan Mason | Salford H | Stretford | 13 Jul 21 | |
| 333 | 4:42.56 | | | 4:40.3 | | Lucy Short | V35 | 15 | | Southampton | Wormwood Scrubs | 3 Jul 21 | |
| 334 | 4:42.65 | | | 4:30.02 | | Isabel Richardson | U17 | -6 | Jamie Russell | Holmfirth | Sheffield | 1 Aug 21 | |
| 335 | 4:42.7 | | | 4:42.7 | PB | Grace Milnes | U17 | -8 | Mike Dunphy | Dacorum | St. Albans | 14 Sep 21 | |
| 336 | 4:42.75 | | | 4:42.75 | PB | Hannah Knights | | 2 | | Guildford & Godalming | Loughborough | 12 May 21 | |
| 337 | 4:42.8 | | | 4:29.36 | | Beatrix Wraith | U20 | -5 | David Rice | Hertford & Ware | St. Albans | 14 Sep 21 | |
| 338 | 4:42.82 | | | 4:39.14i | | Jessica Christie | U23 | -2 | | Falkirk | Grangemouth | 15 Aug 21 | |
| 339 | 4:42.83 | | | 4:38.10 | | Helena Keenan | | 3 | Bill Boyd | Corby | Loughborough | 14 Jul 21 | |
| 340 | 4:42.88 | | | 4:35.87 | | Lucy Scothern | U17 | -6 | David Lowes | Chester-le-Street | Chester-le-Street | 19 Jul 21 | |
| 341 | 4:42.89 | | | 4:39.36 | | Steffi Luker-Edwards | U23 | -1 | | Amber Valley & Erewash | Loughborough | 24 Jul 21 | |
| 342 | 4:42.92 | | | 4:28.41 | | Rhian Purves | U23 | -2 | Colin Haggie | Gosforth | Harrisonburg VA, USA | 1 May 21 | |
| 343 | 4:42.96 | | | 4:33.89 | | Kirstian Macaulay | | 9 | | Corstorphine | Scotstoun | 30 Jul 21 | |
| 344 | 4:42.98 | | | 4:42.98 | PB | Patience Lamb | U15 | -9 | John Skevington | Wreake & Soar Valley | Stretford | 25 Sep 21 | |
| 345 | 4:43.0 | | | 4:43.0 | PB | Elizabeth Wareing | U17 | -7 | | Lancaster & Morecambe | Blackpool | 12 Jun 21 | |
| 346 | 4:43.08 | | | 4:28.50 | | Sara Clough | U15 | -9 | Peter Shaw | Sale Harriers Manchester | Stretford | 1 Jun 21 | |
| 347 | 4:43.15 | | | 4:23.92 | | Julia Jagger | V35 | 16 | Keith Whitelam | Holmfirth | York | 19 Jun 21 | |
| 347 | 4:43.15 | | | 4:43.15 | PB | Lucy Bickerton | U15 | -9 | Dave Barlow | Yeovil | Kingston | 21 Aug 21 | |
| 349 | 4:43.2 | | | 4:43.2 | PB | Antonia Jubb | U17 | -7 | | St. Albans AC | St. Albans | 14 Sep 21 | |
| 350 | 4:43.24 | | | 4:41.35 | | Isa McCarron | U15 | -10 | | Lagan Valley | Belfast | 24 Jul 21 | |
| 351 | 4:43.25 | | | 4:43.25 | PB | Eimear Griffin | U23 | -2 | James McDonald | Herne Hill | Exeter | 25 May 21 | |
| 352 | 4:43.36 | | | 4:43.36 | PB | Laura Street | V35 | 16 | | Wycombe | Watford | 25 Aug 21 | |
| 353 | 4:43.39 | | | 4:43.39 | PB | Robyn Greenway | U20 | -5 | Joanna Evans | Cleethorpes | Leigh | 12 Jun 21 | |
| 354 | 4:43.5 | | | 4:43.5 | PB | Abigail Baines | U20 | -6 | Les Rayment | Bracknell AC | Bracknell | 8 May 21 | |
| 355 | 4:43.51 | | | 4:32.14 | | Emma Tilley | | 2 | Norman Poole | Sale Harriers Manchester | Stretford | 15 Jun 21 | |
| 355 | 4:43.51 | | | 4:37.03 | | Eden Creasey | U15 | -9 | David Howells | Middlesbrough (Mandale) | Sportcity | 11 Jul 21 | |
| 357 | 4:43.61 | | | 4:43.61 | PB | Sophie Rotheram | U23 | -3 | Andy Bibby | Preston | Birmingham (U) | 12 May 21 | |
| 358 | 4:43.64 | | | 4:43.64 | PB | Olivia Robbins | U15 | -8 | | Team East Lothian | Aberdeen | 28 Aug 21 | |
| 359 | 4:43.68 | | | 4:43.68 | PB | Freya Clarkson | U17 | -7 | David Lowes | Chester-le-Street | Jarrow | 21 Jul 21 | |
| 360 | 4:43.8 | | | 4:18.70 | | Juliet Potter | V35 | 18 | | Charnwood | Nottingham | 15 Aug 21 | |
| 361 | 4:43.88 | | | 4:29.81 | | Alice Jones | U20 | -6 | | Wharfedale | Stretford | 25 Sep 21 | |
| 362 | 4:44.0 | | | 4:27.17i | | Naomi Collier | | 5 | | Birchfield H | Birmingham (U) | 20 Jun 21 | |
| 363 | 4:44.02 | | | 4:44.02 | PB | Demi Locker | U17 | -7 | Vince Wilson | Charnwood | Loughborough | 23 Jun 21 | |
| 364 | 4:44.04 | | | 4:36.02 | | Charlotte Dewar | U17 | -6 | Shireen Higgins | Windsor Slough Eton & Hounslow | Watford | 25 Aug 21 | |
| 365 | 4:44.1 | | | 4:42.99 | | Jemima Ridley | U17 | -7 | Patrick Mcgrath | Cookham | Bracknell | 8 May 21 | |
| 365 | 4:44.1 | | | 4:35.10 | | Beth Sykes | U20 | -4 | Catherine Mijovic | Bromsgrove & Redditch | Birmingham (U) | 20 Jun 21 | |
| 367 | 4:44.12 | | | 4:40.77 | | Lyra Macdonald | U15 | -10 | Cornelia Abe-Minale | Victoria Park & Tower Hamlets | Eltham | 4 Aug 21 | |
| 368 | 4:44.26 | | | 4:44.26 | PB | Maisy Luke | U17 | -7 | Christopher Jeffery | Cornwall AC | Plymouth | 1 Aug 21 | |
| 369 | 4:44.29 | | | 4:43.98 | | Scarlett Williams | U15 | -9 | | Wolverhampton & Bilston | Loughborough | 14 Jul 21 | |
| 370 | 4:44.31 | | | 4:40.25 | | Ellen Donald | U20 | -5 | | Highgate | Eltham | 14 Jul 21 | |
| 370 | 4:44.31 | | | 4:44.31 | PB | Jacqueline Heller | U15 | -9 | Shireen Higgins | Cookham | Kingston | 21 Aug 21 | |
| 372 | 4:44.35 | | | 4:26.75 | | Libby Hale | U13 | -11 | John Griffiths | Swansea | Newport | 31 Jul 21 | |
| 373 | 4:44.40 | | | 4:34.18 | | Freya Woodhead | U15 | -10 | | Bideford | Sportcity | 7 Aug 21 | |
| 374 | 4:44.42 | | | 4:37.7 | | Shona Haston | | 1 | | Newcastle Uni | Middlesbrough | 22 Aug 21 | |
| 375 | 4:44.44 | | | 4:16.08 | | Alice Wright | U20 | -5 | Bruce Warren | Brighton Phoenix | Watford | 25 Aug 21 | |
| 376 | 4:44.51 | | | 4:36.89 | | Abby Rex | U23 | -3 | | Basildon | Birmingham (U) | 12 May 21 | |
| 377 | 4:44.52 | | | 4:29.86 | | Hannah Seager | U23 | -2 | | Charnwood | Watford | 25 Aug 21 | |
| 378 | 4:44.54 | | | 4:41.88 | | Emily Bott | U15 | -8 | Richard Harris | Rotherham | York | 21 Aug 21 | |
| 379 | 4:44.6 | | | 4:41.89 | | Laura Chance | U15 | -8 | Pat Gallagher | Westbury | Yate | 13 Jun 21 | |
| 379 | 4:44.6 | | | 4:44.6 | PB | Maisey Kent | U17 | -8 | Paul Simpson | Isle of Wight | Portsmouth | 29 Aug 21 | |
| 381 | 4:44.67 | | | 4:44.67 | PB | Ceri Griffiths | U17 | -7 | Darryn McAtee | Newport H | Exeter | 31 Aug 21 | |
| 382 | 4:44.72 | | | 4:44.72 | PB | Ella Fryer | U20 | -6 | Michael Rimmer | St. Mary's Richmond | Watford | 25 Aug 21 | |
| 383 | 4:44.75 | | | 4:35.34 | | Lauren Nichols | U23 | -2 | Mick Woods | Bedford & County | Watford | 28 Jul 21 | |
| 384 | 4:44.78 | | | 4:41.90 | | Maddie Hughes | U17 | -7 | Nick Hughes | Chiltern | Watford | 25 Aug 21 | |
| 385 | 4:44.79 | | | 4:44.79 | PB | Isabelle Franco | U20 | -4 | | Thames Valley | Bromley | 6 Jun 21 | |
| 385 | 4:44.79 | | | 4:41.82 | | Lily Farr | U15 | -10 | Alex Stanton | Bedford & County | Horspath | 11 Sep 21 | |
| 387 | 4:44.83 | | | 4:44.83 | PB | India Elliott | U23 | -1 | Christopher Neil Mitchell | Wakefield | Stretford | 18 May 21 | |
| 387 | 4:44.83 | | | 4:35.36 | | Holly Waugh | U17 | -6 | Lee Cleary-Morgan | North Shields Poly | Jarrow | 21 Jul 21 | |
| 389 | 4:44.93 | | | 4:31.90 | | Chloe Wellings | U20 | -4 | John Stephenson | Gateshead | High Point NC, USA | 12 May 21 | |
| 390 | 4:44.96 | | | 4:43.02 | | Daisy Rowe | U15 | -9 | Brian O'Hare | Exeter | Exeter | 29 Jun 21 | |
| 391 | 4:45.08 | | | 4:32.38 | | Sarah Grover | | 5 | | Herne Hill | Kingston | 3 Jul 21 | |
| 392 | 4:45.09 | | | 4:30.56 | | Stephanie Shaw | U15 | -9 | Vince Golding | Crawley | Kingston | 21 Aug 21 | |
| 393 | 4:45.3 | | | 4:16.37 | | Lyla Belshaw | U15 | -9 | David Smith | Colchester H | Kingston | 21 Aug 21 | |
| 394 | 4:45.45 | | | 4:27.92 | | Olivia Clarke | U17 | -8 | David Arnott | Corstorphine | Scotstoun | 30 Jul 21 | |
| 395 | 4:45.52 | | | 4:42.25 | | Steph Lawrie | | 7 | Shane Smith | Kettering | Watford | 28 Jul 21 | |
| 396 | 4:45.53 | | | 4:45.53 | PB | Shannon Robinson | U17 | -8 | Kieron Hall | Richmond & Zetland | Stretford | 15 Jun 21 | |
| 397 | 4:45.59 | | | 4:37.78 | | Olivia Brown | U17 | -7 | Michael Taylor | Wycombe | Watford | 28 Jul 21 | |
| 398 | 4:45.62 | | | 4:45.62 | PB | Alice Bridger-Morales | U20 | -6 | Julian Emery | North Somerset | Exeter | 31 Aug 21 | |
| 399 | 4:45.8 | | | 4:45.08 | | Niamh McLoughlin | U20 | -5 | Mick Woods | Aldershot, Farnham & District | Aldershot | 20 Jun 21 | |
| 400 | 4:45.85 | | | 4:40.00 | | Ffion Higginson | U20 | -4 | Stephen Jones | Bridgend | Exeter | 25 May 21 | |
| 400 | 4:45.85 | | | 4:45.85 | PB | Maisy Rose | U20 | -5 | Jason Marchant | Dartford H | Gillingham | 25 Jul 21 | |
| 402 | 4:45.94 | | | 4:42.48 | | Molly Shorey | U15 | -9 | | City of Plymouth | Milton Keynes | 5 Jun 21 | |
| 403 | 4:45.96 | | | 4:40.97 | | Holly Wilkinson | U20 | -5 | Vince Stamp | City of Portsmouth | Worthing | 2 May 21 | |
| 404 | 4:46.03 | | | 4:46.03 | PB | Indira Patel | U20 | -4 | Bill Foster | Shaftesbury Barnet | Birmingham (U) | 9 Jun 21 | |
| 405 | 4:46.10 | | | 4:40.04 | | Eadie Yelling | U17 | -7 | John Clements | Brighton & Hove | Crawley | 12 Jun 21 | |
| 406 | 4:46.1 | | | 4:26.63 | | Rochelle Harrison | | 8 | | Lincoln Wellington | Lincoln | 1 Aug 21 | |
| 407 | 4:46.2 | | | 4:46.06 | | Carys Roberts | U17 | -8 | | West Cheshire | Stretford | 1 Aug 21 | |
| 407 | 4:46.2 | | | 4:39.83i | | Emily Field | U20 | -4 | Paul Hawkins | Stratford-upon-Avon | Stratford upon Avon | 12 Sep 21 | |
| 409 | 4:46.21 | | | 4:46.21 | PB | Grace Golinski | U17 | -6 | | Solihull & Small Heath | Nuneaton | 22 Aug 21 | |
| 410 | 4:46.29 | | | 4:43.84 | | Abbie Oliver | | 1 | Anthony Clarke | Liverpool H | Stretford | 1 Jun 21 | |
| 411 | 4:46.34 | | | 4:29.69 | | Jessica Keene | U23 | -1 | Bud Baldaro | Blackheath & Bromley | Eltham | 20 Jun 21 | |
| 412 | 4:46.39 | | | 4:46.39 | PB | Erin McConnell | U23 | -2 | | North Down | Belfast | 31 Jul 21 | |
| 413 | 4:46.5 | | | 4:37.39 | | Lily Neate | U20 | -6 | Nick Anderson | Winchester | Basingstoke | 20 Jun 21 | |
| 413 | 4:46.5 | | | 4:33.74 | | Abbie Milnes | | 2 | Diarmuid Devery | Aldershot, Farnham & District | Leamington | 10 Jul 21 | |
| 415 | 4:46.56 | | | 4:45.66 | | Eleanor Wilson | U20 | -4 | | Hallamshire | Loughborough | 11 Aug 21 | |
| 416 | 4:46.61 | | | 4:39.49 | | Emmy Thornton | U17 | -7 | Lawson Cochrane | Willowfield | Tullamore, IRL | 14 Aug 21 | |
| 417 | 4:46.66 | | | 4:46.66 | PB | Lara Turner | U15 | -9 | Shane Smith | Kettering | Milton Keynes | 5 Jun 21 | |
| 417 | 4:46.66 | | | 4:46.66 | PB | Elena Oliphant | U13 | -10 | | S Factor | Eltham | 14 Jul 21 | |
| 419 | 4:46.70 | | | 4:46.70 | PB | Megan Slattery | U15 | -9 | Andy Frankish | Blackheath & Bromley | Eltham | 4 Aug 21 | |
| 420 | 4:46.7 | | | 4:38.88 | | Caitlyn Christie | U17 | -7 | William Sharp | Falkirk | Grangemouth | 16 Sep 21 | |
| 421 | 4:46.72 | | | 4:46.72 | PB | Kate Brown | | 1 | | Herne Hill | Wimbledon | 2 Jun 21 | |
| 422 | 4:46.82 | | | 4:45.83 | | Lucy Thornton | U23 | -2 | Rob Lewis | Lincoln Wellington | Loughborough | 16 Jun 21 | |
| 422 | 4:46.82 | | | 4:46.82 | PB | Ella Newman | U17 | -8 | Tim Richardson | Reading AC | Eton | 31 Jul 21 | |
| 424 | 4:46.88 | | | 4:39.42 | | Hannah Clark | U17 | -7 | Andy Frankish | Blackheath & Bromley | Bromley | 22 May 21 | |
| 425 | 4:46.9 | | | 4:43.2 | | Emily Japp | | 9 | | Blackpool, Wyre & Fylde | Blackpool | 4 Jul 21 | |
| 426 | 4:46.91 | | | 4:39.98 | | Bethan Evans | U23 | -1 | | Cardiff | Tuscaloosa AL, USA | 9 Apr 21 | |
| 426 | 4:46.91 | | | 4:35.62 | | Sophie Magson | U20 | -6 | Iain Wilson | Orion | Watford | 25 Aug 21 | |
| 428 | 4:47.0 | | | 4:45.12 | | Rose Chesterfield | U17 | -6 | | Winchester | Basingstoke | 20 Jun 21 | |
| 428 | 4:47.0 | | | 4:47.0 | PB | Katie Sakaria | U17 | -7 | Sue Goode | Guildford & Godalming | Guildford | 7 Aug 21 | |
| 430 | 4:47.02 | | | 4:44.11i | | Anna Cairns | U17 | -8 | Ross Cairns | Inverness | Scotstoun | 30 Jul 21 | |
| 431 | 4:47.10 | | | 4:47.10 | PB | Jessica Brown | U15 | -9 | John Knowles | Newquay & Par | Plymouth | 6 Jun 21 | |
| 432 | 4:47.1 | | | 4:44.46 | | Niamh Gallagher | U20 | -5 | | St. Albans AC | Hemel Hempstead | 12 Jun 21 | |
| 433 | 4:47.15 | | | 4:33.65 | | Elizabeth Coakley | U23 | -3 | | Hallamshire | Loughborough | 11 Aug 21 | |
| 434 | 4:47.2 | | | 4:43.96 | | Rosie West | U15 | -8 | John Skevington | Wreake & Soar Valley | Sandy | 16 Jun 21 | |
| 435 | 4:47.24 | | | 4:30.96 | | Sophie Jacobs | U15 | -9 | James Bennett | MK Distance Project | Nuneaton | 4 Jul 21 | |
| 436 | 4:47.27 | | | 4:47.27 | PB | Katie Moore | | 4 | Francis Marsh | North Down | Belfast | 10 Jul 21 | |
| 437 | 4:47.29 | | | 4:42.73 | | Alexis Dodd | V35 | 15 | Lewis Moses | Jarrow & Hebburn | Middlesbrough | 22 Aug 21 | |
| 438 | 4:47.30 | | | 4:46.30 | | Beth Hamilton | U17 | -8 | Richard Massey | Mansfield | Nuneaton | 11 Apr 21 | |
| 439 | 4:47.32 | | | 4:47.32 | PB | Jessica Connolly | U20 | -6 | Russell Tart | Warrington AC | Stretford | 18 May 21 | |
| 440 | 4:47.34 | | | 4:33.54 | | Jess Sails | U17 | -6 | Peter Venus | Tynedale | Middlesbrough | 22 Aug 21 | |
| 441 | 4:47.38 | | | 4:40.97 | | Caitlin McCloy | U15 | -9 | Richard Harris | Rotherham | Nottingham | 12 Sep 21 | |
| 442 | 4:47.4 | | | 4:47.4 | PB | Annabel Hedge | U17 | -8 | | St. Albans AC | St. Albans | 14 Sep 21 | |
| 443 | 4:47.42 | | | 4:35.76 | | Kirstie Booth | V40 | 21 | Charlotte Fisher | Taunton | Exeter | 29 Jun 21 | |
| 444 | 4:47.58 | | | 4:47.58 | PB | Erin Willmers | V35 | 15 | | Winchester | Southampton | 11 Sep 21 | |
| 445 | 4:47.59 | | | 4:47.59 | PB | Iris Clarke | U15 | -9 | Harold Billings | Sutton-in-Ashfield | Derby | 12 Jun 21 | |
| 446 | 4:47.6 | | | 4:47.6 | PB | Sophie Lloyd | | 3 | Diarmuid Devery | White Horse | Horspath | 12 Jun 21 | |
| 447 | 4:47.67 | | | 4:40.31 | | Elizabeth Renondeau | V40 | 20 | | Cheshire Dragons | Stretford | 24 Jul 21 | |
| 448 | 4:47.68 | | | 4:43.56 | | Sophie Dunbobbin | U17 | -7 | Stephen Robinson | Saffron AC | Loughborough | 24 Jul 21 | |
| 449 | 4:47.72 | | | 4:47.72 | PB | Rosie Mew | | 6 | | Bristol & West | Yate | 6 Jun 21 | |
| 450 | 4:47.88 | | | 4:47.88 | PB | Sophie Knoyle | U17 | -7 | Paul Hill | Cardiff Archers | Derby | 25 Sep 21 | |
| 451 | 4:48.07 | | | 4:32.29 | | Sophie Cowper | | 9 | | Rotherham | Sportcity | 29 May 21 | |
| 452 | 4:48.1 | | | 4:44.32 | | Jemima Davey | U13 | -10 | Shane Smith | Kettering | Corby | 3 Jul 21 | |
| 453 | 4:48.11 | | | 4:48.11 | PB | Nancy Taylor | U15 | -9 | | Poole AC | Yeovil | 29 Aug 21 | |
| 454 | 4:48.15 | + | | 4:41.37 | | Anna Anderson | U23 | -1 | | Cambridge Uni Hare & Hounds | Wimbledon | 28 Jul 21 | |
| 455 | 4:48.18 | | | 4:41.8 | | Georgia Bell | U15 | -8 | Jethro McGraw | Leven Valley | Sportcity | 7 Aug 21 | |
| 456 | 4:48.20 | | | 4:48.20 | PB | Victoria Kaye | U17 | -6 | | Birmingham Uni | Pulversheim, FRA | 20 Jun 21 | |
| 457 | 4:48.23 | | | 4:28.83 | | Megan Harris | U20 | -6 | Richard Bullis | Basildon | Horspath | 11 Sep 21 | |
| 458 | 4:48.25 | | | 4:38.11 | | Lucy Stevens | U20 | -4 | | Rugby & Northampton | Nuneaton | 12 Jun 21 | |
| 459 | 4:48.29 | | | 4:41.1 | | Ava Clough | U15 | -9 | Peter Shaw | Sale Harriers Manchester | Stretford | 1 Jun 21 | |
| 460 | 4:48.30 | | | 4:43.51 | | Lily Woolcock | | 4 | | London Heathside | Watford | 28 Jul 21 | |
| 461 | 4:48.32 | | | 4:24.37 | | Megan Carter-Davies | | 3 | Kevin Tobin | Swansea | Yate | 28 Aug 21 | |
| 462 | 4:48.33 | + | | 4:48.33 | PB | Charlie Frew | U20 | -6 | Lynne MacDougall | Giffnock North | Stirling | 21 May 21 | |
| 463 | 4:48.37 | | | 4:39.14 | | Katie Goodge | U20 | -4 | | Tonbridge | Bournemouth | 7 Aug 21 | |
| 464 | 4:48.39 | | | 4:43.05 | | Emily Chong | U20 | -5 | David Lowes | Chester-le-Street | Leigh | 12 Jun 21 | |
| 464 | 4:48.39 | | | 4:39.16 | | Beca Bown | U15 | -9 | | Menai | Stretford | 27 Jul 21 | |
| 466 | 4:48.44 | | | 4:48.44 | PB | Katie Balme | U23 | -2 | James McDonald | Herne Hill | Chelmsford | 6 Jun 21 | |
| 467 | 4:48.45 | | | 4:38.35 | | Zara Jones | U15 | -10 | | Darlington H | Hull | 14 Aug 21 | |
| 468 | 4:48.56 | | | 4:36.95 | | Molly Carvell | U13 | -11 | John Cross | Liverpool H | Leigh | 23 May 21 | |
| 469 | 4:48.70 | | | 4:48.70 | PB | Katy Roy | V35 | 15 | David Taylor | Chepstow H | Yate | 6 Jun 21 | |
| 470 | 4:48.74 | | | 4:36.34 | | Jayne Elvin | U17 | -7 | Kelvin Stone | Thurrock | Bromley | 22 May 21 | |
| 471 | 4:48.77 | | | 4:48.77 | PB | Lillian Lewis | U20 | -5 | | Kendal | Stretford | 3 Apr 21 | |
| 472 | 4:48.9 | | | 4:41.59 | | Freya Ruffels | U17 | -7 | Shireen Higgins | Windsor Slough Eton & Hounslow | Aldershot | 14 Aug 21 | |
| 473 | 4:49.0 | | | 4:48.02 | | Georgia Palmer | U20 | -4 | Liz Davies | Cheltenham | Cheltenham | 14 Jul 21 | |
| 474 | 4:49.02 | | | 4:49.02 | PB | Anna Pigford | U20 | -5 | Lynn Cooper | Houghton Harriers | Jarrow | 28 Apr 21 | |
| 475 | 4:49.15 | | | 4:34.78 | | Evie Burton | U15 | -9 | Michael Taylor | Wycombe | Watford | 28 Jul 21 | |
| 476 | 4:49.16 | | | 4:49.16 | PB | Alice Gale | U17 | -7 | Andrew Carter | Vale Royal | Stretford | 1 Jun 21 | |
| 477 | 4:49.25 | | | 4:49.25 | PB | Holly Henderson | U17 | -6 | Steve Perkin | Chiltern | Harrow | 29 Apr 21 | |
| 478 | 4:49.28 | | | 4:45.1 | | Lily Meers | U17 | -7 | Andy Frankish | Blackheath & Bromley | Wormwood Scrubs | 9 Jun 21 | |
| 479 | 4:49.30 | | | 4:49.30 | PB | Florence Sargent | U20 | -6 | | Cornwall AC | Plymouth | 1 Aug 21 | |
| 480 | 4:49.31 | | | 4:32.05 | | Lottie Ambridge | U20 | -4 | | Bracknell AC | Loughborough | 23 Jun 21 | |
| 481 | 4:49.35 | | | 4:34.62 | | Madeleine Pearce | U15 | -8 | Sharon Edghill | Marshall Milton Keynes | Kingston | 21 Aug 21 | |
| 482 | 4:49.36 | | | 4:39.9 | | Vicky Jackson | | 7 | Steve Mitchell | Swindon | Exeter | 31 Aug 21 | |
| 483 | 4:49.51 | | | 4:49.51 | PB | Anna Palmer | U17 | -6 | Steve Fury | Medway & Maidstone | Eltham | 14 Jul 21 | |
| 484 | 4:49.61 | | | 4:47.4 | | Rebecca Sleap | | 11 | Rod Finch | Basingstoke & Mid Hants | Tonbridge | 6 Jun 21 | |
| 485 | 4:49.80 | | | 4:41.37 | | Faye O'Hare | U20 | -6 | Anthony Clarke | Liverpool H | Stretford | 18 May 21 | |
| 486 | 4:49.8 | | | 4:39.82 | | Milly Dunger | U15 | -9 | Alex Stanton | Bedford & County | Kingston | 21 Aug 21 | |
| 487 | 4:49.84 | | | 4:49.84 | PB | Lucy Milling | U20 | -6 | | Southport Waterloo | Stretford | 18 May 21 | |
| 488 | 4:49.89 | | | 4:49.89 | PB | Lulu Weisz | U17 | -7 | Anne Hegvold | Hercules Wimbledon | Wimbledon | 2 Jun 21 | |
| 489 | 4:49.9 | | | 4:41.49 | | Amy Jackson | | 4 | | City of Derry | Nottingham | 15 Aug 21 | |
| 490 | 4:49.93 | | | 4:49.93 | PB | Gabriella Martin | U17 | -8 | Andy Frankish | Blackheath & Bromley | Bromley | 30 May 21 | |
| 491 | 4:49.98 | | | 4:29.81 | | Kate Estlea-Morris | U23 | -1 | Rod Finch | Basingstoke & Mid Hants | Bournemouth | 7 Aug 21 | |
| 492 | 4:50.01 | | | 4:35.54 | | Kitty Shepherd-Cross | U20 | -4 | | MK Distance Project | Milton Keynes | 5 Jun 21 | |
| 493 | 4:50.04 | | | 4:50.04 | PB | Niamh Keohane | U17 | -8 | | Trent Park | Watford | 28 Jul 21 | |
| 494 | 4:50.05 | | | 4:38.83i | | Hannah Taylor | U17 | -7 | Nichola Crawford | Ellon | Grangemouth | 18 Jul 21 | |
| 495 | 4:50.10 | | | 4:50.10 | PB | Chloe Ardin | U15 | -9 | | Bury | Stretford | 12 Jun 21 | |
| 496 | 4:50.1 | | | 4:39.9 | | Laura Hesketh | V35 | 16 | | Ribble Valley H | Blackburn | 19 Jun 21 | |
| 497 | 4:50.13 | | | 4:44.37 | | Flora Henry | U20 | -6 | | Team East Lothian | Grangemouth | 30 May 21 | |
| 498 | 4:50.15 | | | 4:50.15 | PB | Olivia Papaioannou | | 1 | | Belgrave | Portsmouth | 6 Jun 21 | |
| 499 | 4:50.2 | | | 4:50.2 | PB | Ella Burfitt | U23 | -3 | Andrew Beadle | Cheltenham | Cheltenham | 14 Jul 21 | |
| 499 | 4:50.2 | | | 4:33.62 | | Iris Courtney | U17 | -7 | Simon Prior | Wimborne | Bournemouth | 14 Aug 21 | |
| 499 | 4:50.2 | | | 4:50.2 | PB | Sarah McGrath | U17 | -7 | | St. Albans AC | St. Albans | 14 Sep 21 | |
| 502 | 4:50.25 | | | 4:47.27 | | Evie Collier | U20 | -5 | Duncan Mason | Salford H | Stretford | 9 May 21 | |
| 503 | 4:50.28 | | | 4:42.02 | | Jasmine Emma Trott | U20 | -5 | | Rothwell | Leigh | 12 Jun 21 | |
| 503 | 4:50.28 | | | 4:50.28 | PB | Chloe Dooley | U23 | -1 | Steve Mitchell | Cardiff | Newport | 26 Jun 21 | |
| 505 | 4:50.38 | | | 4:32.38 | | Evey Powell | U15 | -9 | Bernard Wilkins | Abingdon | Horspath | 11 Sep 21 | |
| 506 | 4:50.49 | | | 4:50.49 | PB | Freya Potts | U17 | -6 | Geoff Little | Bury | Stretford | 5 Sep 21 | |
| 507 | 4:50.58 | | | 4:34.13 | | Isabelle Burke | U17 | -7 | Paul Roden | Sale Harriers Manchester | Stretford | 10 Aug 21 | |
| 508 | 4:50.59 | | | 4:46.9 | | Robyn Fossa | U17 | -7 | James Mann | Southampton | Southampton | 16 May 21 | |
| 509 | 4:50.62 | | | 4:31.53 | | Olivia East | U17 | -6 | Claire East | City of Portsmouth | Aldershot | 4 Aug 21 | |
| 510 | 4:50.64 | | | 4:42.02 | | Anise Macaulay Orr | U17 | -7 | | Edinburgh AC | Scotstoun | 30 Jul 21 | |
| 511 | 4:50.66 | | | 4:41.90 | | Maisie Trueman | U17 | -8 | Graham Lamb | Burton | Derby | 13 Jul 21 | |
| 511 | 4:50.66 | | | 4:50.66 | PB | Matilda Bengtsson | U15 | -9 | Haydn Morris | Poole Runners | Exeter | 18 Jul 21 | |
| 513 | 4:50.7 | | | 4:50.7 | PB | Anna Jolliffe | U17 | -8 | | Bicester | Horspath | 12 Jun 21 | |
| 513 | 4:50.7 | | | 4:49.8 | | Bethany Brown | | 5 | David Wilkinson | Belgrave | Battersea Park | 20 Jun 21 | |
| 515 | 4:50.79 | | | 4:43.86 | | Molly Browne | | 7 | Richard Carney | BRAT | Birmingham (U) | 9 Jun 21 | |
| 516 | 4:50.80 | | | 4:34.61 | | Eva Jha | U15 | -9 | Andrew Carter | Vale Royal | Stretford | 1 Jun 21 | |
| 517 | 4:50.8 | | | 4:50.8 | PB | Lucie Tait-Harris | V45 | 27 | Daniel Robinson | BRAT | Solihull | 11 Jul 21 | |
| 518 | 4:50.84 | | | 4:36.30 | | Lilia Mico | U15 | -9 | Geoff Aston | Worcester | Nuneaton | 19 Jun 21 | |
| 519 | 4:50.85 | | | 4:43.83i | | Lizzy Ingram | U20 | -4 | | Yeovil | Yeovil | 22 Aug 21 | |
| 520 | 4:50.91 | | | 4:44.37 | | Lara Mannes | U17 | -7 | Phillip Kissi | Blackheath & Bromley | Bromley | 30 May 21 | |
| 521 | 4:50.98 | | | 4:44.74 | | Lily Slack | U15 | -9 | | Tonbridge | Ashford | 9 May 21 | |
| 522 | 4:51.0 | | | 4:47.60 | | Aimee-Louise Hargreaves | | 5 | | Herne Hill | Battersea Park | 11 Jul 21 | |
| 523 | 4:51.09 | | | 4:48.61 | | Olivia Leigh | U20 | -5 | Ian Leigh | Chorley ATC | Stretford | 18 May 21 | |
| 524 | 4:51.20 | | | 4:51.20 | PB | Saskia Wilkinson | U17 | -8 | | Brighton Phoenix | Crawley | 19 Jun 21 | |
| 524 | 4:51.20 | | | 4:45.98 | | Alicia McArdell | | 2 | John Stow | Woodford Green Essex Ladies | Woodford | 11 Jul 21 | |
| 526 | 4:51.22 | | | 4:49.79 | | Emily Purdy | U15 | -10 | | Bury | Stretford | 12 Jun 21 | |
| 527 | 4:51.23 | | | 4:51.23 | PB | Isabel Guirdham | U17 | -7 | David Leach | Lewes | Crawley | 31 Jul 21 | |
| 527 | 4:51.23 | | | 4:51.23 | PB | Eva Marsh | U17 | -7 | | Reigate Priory | Kingston | 22 Aug 21 | |
| 529 | 4:51.24 | | | 4:35.02 | | Emma Haley | | 11 | | Chippenham H | Abingdon | 20 Jun 21 | |
| 530 | 4:51.36 | | | 4:51.36 | PB | Rosie Kind | U15 | -9 | | Wolverhampton & Bilston | Birmingham (U) | 9 Jun 21 | |
| 531 | 4:51.40 | | | 4:51.40 | PB | Amy Kennedy | U15 | -8 | | City of York | Sheffield | 9 Jun 21 | |
| 532 | 4:51.43 | | | 4:42.78 | | Jade Charlton | U17 | -6 | Andrew Bentley | Tipton | Birmingham (U) | 12 May 21 | |
| 533 | 4:51.52 | | | 4:30.05 | | Bethany Trow | U15 | -10 | Grace Hough | Shrewsbury | Leigh | 23 May 21 | |
| 534 | 4:51.58 | | | 4:51.58 | PB | Aimee Tawse | U17 | -7 | | Ellon | Grangemouth | 18 Jul 21 | |
| 535 | 4:51.6 | | | 4:51.6 | PB | Eleanor Webster | U20 | -5 | Kevin Brunt | Team Bath | Yate | 13 Jun 21 | |
| 536 | 4:51.69 | | | 4:40.72 | | Katie Christie | U17 | -7 | | Falkirk | Stretford | 8 May 21 | |
| 537 | 4:51.7 | | | 4:46.59 | | Amelia Honor | U17 | -7 | Alan Thomas | Bristol & West | Cheltenham | 14 Jul 21 | |
| 538 | 4:51.73 | | | 4:40.31 | | Madeline Barker | U17 | -7 | | Havering | Watford | 25 Aug 21 | |
| 539 | 4:51.74 | | | 4:51.74 | PB | Annie Carroll | | 6 | | Bristol & West | Newport | 26 Jun 21 | |
| 540 | 4:51.75 | | | 4:51.75 | PB | Katie Clutterbuck | U20 | -5 | Shireen Higgins | Windsor Slough Eton & Hounslow | Watford | 25 Aug 21 | |
| 541 | 4:51.79 | | | 4:46.1 | | Megan Barlow | U15 | -9 | Jay Galley | Blackheath & Bromley | Eltham | 14 Jul 21 | |
| 542 | 4:51.81 | | | 4:51.81 | PB | Isabelle Bryan | U17 | -8 | Paul Roden | Salford H | Stretford | 24 Apr 21 | |
| 543 | 4:51.84 | | | 4:51.84 | PB | Niamh Shaw | | 1 | | Lasswade | Grangemouth | 18 Jul 21 | |
| 544 | 4:51.88 | | | 4:37.93 | | Emily Edwards | U17 | -7 | | Wigan & District | Stretford | 12 Jun 21 | |
| 545 | 4:51.9 | | | 4:36.47 | | Katie Francis | U17 | -7 | Gary Curtis | Birtley | Whitley Bay | 20 Jun 21 | |
| 546 | 4:51.94 | | | 4:29.65 | | Rae Le Fay | U15 | -9 | Peter Baker | Hastings AC | Kingston | 21 Aug 21 | |
| 547 | 4:51.96 | | | 4:34.26 | | Madeleine Johnson | U23 | -3 | Bob Smith | Wimborne | Stretford | 8 May 21 | |
| 547 | 4:51.96 | | | 4:44.73 | | Isabella Waugh | U15 | -10 | Richard Harris | Rotherham | Derby | 12 Jun 21 | |
| 549 | 4:51.97 | | | 4:51.62 | | Rachel Murray | U17 | -7 | | Stornoway | Scotstoun | 30 Jul 21 | |
| 550 | 4:52.01 | | | 4:13.91 | | Lauren Reed | V35 | 15 | Bill Foster | Havering | Chelmsford | 6 Jun 21 | |
| 551 | 4:52.03 | | | 4:52.03 | PB | Hannah Wardley | | 3 | Steve Perkin | Chiltern | Wormwoods Scrubs | 7 Jul 21 | |
| 552 | 4:52.04 | | | 4:42.66 | | Sarah Bourne | U17 | -7 | | Derby | Stretford | 15 Jun 21 | |
| 553 | 4:52.08 | | | 4:46.82 | | Alice Stiles | U23 | -3 | | Manchester H | Stretford | 15 Jun 21 | |
| 554 | 4:52.12 | | | 4:52.12 | PB | Che Wigfield-Turner | U23 | -2 | | Hallamshire | Stretford | 10 Aug 21 | |
| 555 | 4:52.18 | | | 4:45.16 | | Emilia Platt | U17 | -6 | | East Cheshire | Stretford | 12 Jun 21 | |
| 556 | 4:52.33 | | | 4:29.51 | | Gabrielle Phelan | U17 | -8 | Sarah Kearney | Wirral | Stretford | 9 May 21 | |
| 557 | 4:52.36 | | | 4:52.36 | PB | Beth Hunter | U20 | -5 | Paul Kelsey | Oxford City | Horspath | 11 Sep 21 | |
| 558 | 4:52.37 | | | 4:52.37 | PB | Daisie Jeffries-Williams | U20 | -5 | | Derby | Derby | 13 Jul 21 | |
| 559 | 4:52.44 | | | 4:52.44 | PB | Abigail Richards | U15 | -10 | Mark Newell | Cambridge H | Eltham | 14 Jul 21 | |
| 560 | 4:52.46 | A | | 4:28.96 | | Nicole Florez | | 7 | Luke Gunn | Birchfield H | Albuquerque NM, USA | 22 Apr 21 | |
| 561 | 4:52.57 | | | 4:52.57 | PB | Sophia Lorke | U17 | -6 | | South London | Bromley | 22 May 21 | |
| 562 | 4:52.59 | | | 4:33.82 | | Millie Freeland | U17 | -8 | Sharon Edghill | Marshall Milton Keynes | Kingston | 21 Aug 21 | |
| 563 | 4:52.66 | | | 4:52.66 | PB | Payton Carter | U15 | -9 | Mark Pitt | Oxford City | Watford | 28 Jul 21 | |
| 564 | 4:52.69 | | | 4:52.69 | PB | Hope Smith | U17 | -8 | Andrew Carter | Vale Royal | Stretford | 24 Apr 21 | |
| 564 | 4:52.69 | | | 4:52.69 | PB | Jenny Critchley | U17 | -8 | | Bicester | Milton Keynes | 5 Jun 21 | |
| 566 | 4:52.7 | | | 4:41.81 | | Megumi Hoshiko | U15 | -10 | Ronan Kearney | Wirral | Bebington | 17 Jul 21 | |
| 567 | 4:52.71 | | | 4:52.71 | PB | Emily Field | U23 | -3 | | Bingley | Clovis CA, USA | 24 Apr 21 | |
| 568 | 4:52.75 | | | 4:15.00 | | Dani Barnes-Heeney | V35 | 14 | Conrad Milton | Windsor Slough Eton & Hounslow | Eton | 16 May 21 | |
| 569 | 4:52.80 | | | 4:42.71 | | Holly Reid | U15 | -9 | John Knowles | City of Plymouth | Exeter | 29 Jun 21 | |
| 570 | 4:53.0 | | | 4:53.0 | PB | Isobel Davis | | 1 | Mick Woods | Coventry | Aldershot | 28 Apr 21 | |
| 570 | 4:53.0 | | | 4:53.0 | PB | Darcie Hey | U23 | -1 | | | Bury St. Edmunds | 5 Sep 21 | |
| 572 | 4:53.01 | | | 4:53.01 | PB | Marianne Doherty | U20 | -6 | | Lagan Valley | Belfast | 31 Jul 21 | |
| 573 | 4:53.02 | | | 4:43.02 | | Katriona Brown | U23 | -3 | Mick Woods | Aldershot, Farnham & District | Birmingham (U) | 12 May 21 | |
| 573 | 4:53.02 | | | 4:36.07 | | Mya Taylor | U23 | -3 | Nigel Brookes | Rotherham | York | 22 Aug 21 | |
| 575 | 4:53.06 | | | 4:53.06 | PB | Abigail Farley | U15 | -9 | Shireen Higgins | Windsor Slough Eton & Hounslow | Eton | 31 Jul 21 | |
| 576 | 4:53.08 | | | 4:35.69 | | Jorjia March | U13 | -12 | John Clarke | Barnet | Watford | 28 Jul 21 | |
| 577 | 4:53.19 | | | 4:42.07i | | Katie Battle | U15 | -9 | Richard Harris | Rotherham | Stretford | 19 Sep 21 | |
| 578 | 4:53.22 | | | 4:48.95 | | Amelia McMurtrie | U20 | -5 | Shane Smith | Kettering | Kettering | 17 Apr 21 | |
| 579 | 4:53.23 | | | 4:52.99 | | Anna Godfrey | | 10 | | Reading AC | Aldershot | 4 Aug 21 | |
| 579 | 4:53.23 | | | 4:41.85 | | Orlaith Shepherd | U15 | -9 | | Edinburgh AC | Aberdeen | 28 Aug 21 | |
| 581 | 4:53.35 | | | 4:52.47 | | Charlotte Ragan | | 11 | Rod Finch | Basingstoke & Mid Hants | Tonbridge | 6 Jun 21 | |
| 582 | 4:53.36 | | | 4:43.33 | | Mia Billins | U20 | -4 | Steven Purser | City of Portsmouth | Portsmouth | 6 Jun 21 | |
| 583 | 4:53.4 | | | 4:50.70 | | Ellie Mclean | U17 | -8 | Christopher Voice | Eastbourne | Brighton | 25 Jul 21 | |
| 584 | 4:53.41 | | | 4:27.01 | | Floren Scrafton | | 6 | Kyle Bennett | Westbury | Yate | 28 Aug 21 | |
| 585 | 4:53.46 | | | 4:38.40 | | Lara Bellingham | U15 | -8 | John Cross | Liverpool H | Stretford | 30 Aug 21 | |
| 586 | 4:53.47 | | | 4:39.09 | | Francesca Baxter | U15 | -8 | Nick Hughes | Chiltern | Watford | 28 Jul 21 | |
| 587 | 4:53.50 | | | 4:50.65 | | Hannah Rayden | U23 | -2 | Andrea Spaccatrosi | St. Albans AC | Watford | 25 Aug 21 | |
| 588 | 4:53.54 | | | 4:53.54 | PB | Harriet Woolley | | 11 | Steve Fury | Tonbridge | Tonbridge | 6 Jun 21 | |
| 589 | 4:53.59 | | | 4:39.21 | | Maddy Whitman | U20 | -6 | Terry O'Neill | Belgrave | Harrow | 29 Apr 21 | |
| 590 | 4:53.6 | | | 4:50.68 | | Megan Williams | | 2 | Stephen Williams | Chelmsford | Braintree | 14 Aug 21 | |
| 590 | 4:53.6 | | | 4:33.1 | | Holly Lathwell | U17 | -8 | Tony Simmons | Luton | St. Albans | 14 Aug 21 | |
| 592 | 4:53.61 | | | 4:45.22i | | Laura Haggarty | V35 | 15 | Jim Young | Kilmarnock | Derby | 22 Aug 21 | |
| 593 | 4:53.63 | | | 4:48.69i | | Ruby Herdman | U15 | -9 | Derek Osborne | Brecon | Cardiff | 15 Aug 21 | |
| 594 | 4:53.7 | | | 4:53.7 | PB | Abbey Jeffcoat | U15 | -8 | James McDonald | Herne Hill | Battersea Park | 22 May 21 | |
| 594 | 4:53.7 | | | 4:24.41 | | Rosie McNabola | | 7 | Gordon Addison | Luton | Hemel Hempstead | 11 Jul 21 | |
| 594 | 4:53.7 | | | 4:53.7 | PB | Hannah Lucas | | 8 | Byron Edwards | Bury | Bury | 1 Aug 21 | |
| 597 | 4:53.71 | | | 4:43.93 | | Ailbhe Barnes | U20 | -5 | Andy Frankish | Blackheath & Bromley | Bromley | 30 May 21 | |
| 598 | 4:53.72 | | | 4:36.51 | | Poppy Old | U15 | -9 | Lee Cleary-Morgan | Elswick | Jarrow | 21 Jul 21 | |
| 599 | 4:53.74 | | | 4:46.06 | | Jodi Foster | U15 | -9 | | Willowfield | Tullamore, IRL | 14 Aug 21 | |
| 600 | 4:53.77 | | | 4:32.21 | | Rebecca Evans | | 4 | Steve Mitchell | Cardiff | Newport | 26 Jun 21 | |
| 601 | 4:53.79 | | | 4:46.07 | | Madeleine Short | U20 | -6 | David Pring | City of Norwich | Milton Keynes | 5 Jun 21 | |
| 602 | 4:53.81 | | | 4:33.35 | | Natalie Burns | V35 | 15 | Rob Lewis | Lincoln Wellington | Coventry | 11 Aug 21 | |
| 602 | 4:53.81 | | | 4:42.34 | | Marissa Caldwell | U15 | -8 | Duncan Mason | Salford H | Stretford | 21 Aug 21 | |
| 604 | 4:53.89 | | | 4:43.03 | | Grace Whelan | U23 | -2 | | Moray | Inverness | 30 May 21 | |
| 605 | 4:53.96 | | | 4:53.50 | | Olivia Bonshor | U20 | -6 | Roger Francks | Charnwood | Nuneaton | 11 Aug 21 | |
| 606 | 4:54.01 | | | 4:49.09 | | Abbie Jones | U20 | -4 | Simon Goldfinch | Maidenhead | Eton | 31 Jul 21 | |
| 607 | 4:54.06 | | | 4:44.46 | | Abigail Royden | U17 | -7 | Sarah Kenyon | Medway & Maidstone | Bromley | 30 May 21 | |
| 608 | 4:54.08 | | | 4:47.71 | | Charlotte MacPhie | U15 | -8 | David Arnott | Corstorphine | Dunfermline | 21 Aug 21 | |
| 609 | 4:54.1 | | | 4:54.1 | PB | Hannah Wightman | U15 | -9 | Colin Haggie | Gosforth | Gateshead | 19 Jun 21 | |
| 609 | 4:54.1 | | | 4:38.27 | | Rebecca Lord | | 4 | | Stubbington Green | Brighton | 20 Jun 21 | |
| 611 | 4:54.17 | | | 4:46.31 | | Sofia Latham | U17 | -7 | Mike Lepps | Harrow | Lee Valley | 30 Aug 21 | |
| 612 | 4:54.20 | | | 4:47.71 | | Lois Dooley | U20 | -4 | | Brighton & Hove | Brighton | 4 Jul 21 | |
| 613 | 4:54.2 | | | 4:53.26 | | Danni Sinclair | U20 | -5 | | Bristol & West | Yate | 13 Jun 21 | |
| 614 | 4:54.23 | | | 4:54.23 | PB | Rebecca Sharpe | | 3 | Andrew Parmenter | Cambridge & Coleridge | Watford | 25 Aug 21 | |
| 615 | 4:54.3 | | | 4:41.25 | | Imogen Edwards | U15 | -9 | | Basingstoke & Mid Hants | Portsmouth | 12 Jun 21 | |
| 616 | 4:54.39 | | | 4:41.69 | | Emmeline Orbell | U15 | -9 | Mick Woods | Aldershot, Farnham & District | Aldershot | 4 Aug 21 | |
| 617 | 4:54.40 | | | 4:27.09 | | Evie Brooks | U17 | -7 | Roy Freeman | Lincoln Wellington | Stretford | 24 Apr 21 | |
| 618 | 4:54.4 | | | 4:54.4 | PB | Louise Grenfell | U17 | -8 | | Herts Phoenix | St. Albans | 14 Aug 21 | |
| 619 | 4:54.43 | | | 4:47.92 | | Darcey Hodgson | U15 | -9 | Nick Marley | Guernsey | St. Peter Port | 27 Jun 21 | |
| 620 | 4:54.44 | | | 4:53.13 | | Catherine Hooper | U23 | -3 | Duncan Mason | Salford H | Stretford | 1 Jun 21 | |
| 621 | 4:54.45 | | | 4:46.26 | | Imogen King | U20 | -4 | Barry Hearn | Marshall Milton Keynes | Eltham | 23 Jun 21 | |
| 622 | 4:54.49 | | | 4:44.28 | | Emily Hathaway | U20 | -5 | Jeremy Sothcott | Shaftesbury Barnet | Harrow | 29 Apr 21 | |
| 623 | 4:54.5 | | | 4:54.5 | PB | Amy Killick | U20 | -5 | David Killick | Leighton Buzzard | Cambridge | 25 Jul 21 | |
| 624 | 4:54.51 | | | 4:41.83 | | Maisey Bellwood | U15 | -10 | | Keighley & Craven | Stretford | 17 Apr 21 | |
| 624 | 4:54.51 | | | 4:30.03 | | Florence East | U15 | -10 | Claire East | City of Portsmouth | Millfield | 29 May 21 | |
| 624 | 4:54.51 | | | 4:36.55 | | Grace MacDonald | U17 | -8 | Nichola Crawford | Inverness | Grangemouth | 18 Jul 21 | |
| 627 | 4:54.6 | | | 4:38.94 | | Daisy Cumming | U20 | -5 | | Dunfermline Track & Field | Dunfermline | 9 May 21 | |
| 627 | 4:54.6 | | | 4:54.6 | PB | Amy Strode | U20 | -6 | | Guildford & Godalming | Guildford | 1 Jun 21 | |
| 627 | 4:54.6 | | | 4:54.6 | PB | Lucy Carson | U23 | -1 | | Cambridge Uni Hare & Hounds | Cambridge | 18 Jun 21 | |
| 627 | 4:54.6 | | | 4:54.6 | PB | Melanie Phair | | 5 | | Wycombe | Bracknell | 11 Sep 21 | |
| 631 | 4:54.64 | | | 4:48.83 | | Mabli Phillips | U15 | -10 | Steve Knight | Cardiff | Cardiff | 15 Aug 21 | |
| 632 | 4:54.7 | | | 4:46.5 | | Rose Forrest | U20 | -6 | Joanne Day | Harrogate | Sheffield | 4 Jul 21 | |
| 633 | 4:54.75 | | | 4:54.75 | PB | Rebekah Riches | U20 | -5 | Anne Hegvold | Hercules Wimbledon | Wimbledon | 2 Jun 21 | |
| 634 | 4:54.79 | | | 4:35.94 | | Zoe Hunter | U20 | -6 | Edward Gregorczyk | Leeds City | York | 30 May 21 | |
| 634 | 4:54.79 | | | 4:54.79 | PB | Aoife Edwards | U17 | -7 | Bruce Warren | Brighton Phoenix | Brighton | 4 Jul 21 | |
| 634 | 4:54.79 | | | 4:46.86 | | Posie Shaw | U13 | -10 | Colin Godfrey | Shaftesbury Barnet | Watford | 28 Jul 21 | |
| 637 | 4:54.80 | | | 4:46.92 | | Erin Wells | U15 | -9 | Mark Courtney | Bournemouth | Millfield | 29 May 21 | |
| 638 | 4:54.81 | | | 4:54.81 | PB | Sophia Sahai | U15 | -10 | James McDonald | Herne Hill | Coulsdon | 8 Sep 21 | |
| 639 | 4:54.90 | | | 4:35.5 | | Jessica Hatch | U17 | -6 | Shireen Higgins | Windsor Slough Eton & Hounslow | Eton | 25 Jul 21 | |
| 640 | 4:54.9 | | | 4:31.74 | | Maia Hardman | U23 | -3 | Bruce Warren | Brighton Phoenix | Cambridge | 5 May 21 | |
| 640 | 4:54.9 | | | 4:53.92 | | Izzie Leigh | U20 | -5 | John Knowles | Truro School | Par | 12 Jun 21 | |
| 642 | 4:54.92 | | | 4:53.49i | | Rebecca Moore | U15 | -9 | | City of Lisburn | Belfast | 18 Jul 21 | |
| 643 | 4:54.93 | | | 4:39.37 | | Penny Oliver | | 3 | | Coventry | Wimbledon | 2 Jun 21 | |
| 643 | 4:54.93 | | | 4:46.25 | | Cara Scott | U15 | -9 | | Menai | Stretford | 30 Aug 21 | |
| 645 | 4:55.0 | | | 4:55.0 | PB | Josie Wren Golder | U20 | -5 | | Edinburgh AC | Perth | 22 May 21 | |
| 645 | 4:55.0 | | | 4:49.57 | | Teegan Rayner | U17 | -7 | | Braintree | Basildon | 12 Sep 21 | |
| 645 | 4:55.0 | | | 4:39.49 | | Lyla Danobrega | U15 | -9 | Alex Stanton | Bedford & County | St. Albans | 14 Sep 21 | |
| 648 | 4:55.02 | | | 4:55.02 | PB | Catherine Airey | | 6 | | Highgate | Harrow | 20 Jun 21 | |
| 648 | 4:55.02 | | | 4:42.80 | | Lottie Wilkin | U13 | -11 | David Fewell | Chelmsford | Chelmsford | 1 Aug 21 | |
| 650 | 4:55.1 | | | 4:55.1 | PB | Chloe Phillips | U15 | -8 | Joanna Evans | Cleethorpes | Hull | 12 Jun 21 | |
| 650 | 4:55.1 | | | 4:55.1 | PB | Imogen Bungay | U17 | -8 | | Elswick | Whitley Bay | 20 Jun 21 | |
| 652 | 4:55.12 | | | 4:33.67 | | Lizzie Pennington | U23 | -1 | | Wolverhampton & Bilston | Derby | 21 Sep 21 | |
| 653 | 4:55.14 | | | 4:50.80 | | Darja Knotkova-Hanley | U23 | -2 | | Lewes | Crawley | 30 Aug 21 | |
| 654 | 4:55.24 | | | 4:50.82 | | Ashleigh Willis | U20 | -4 | Kevin Tobin | Swansea | Yate | 6 Jun 21 | |
| 655 | 4:55.29 | | | 4:55.29 | PB | Rebecca Evans | U17 | -8 | | Sheffield & Dearne | Doncaster | 5 Sep 21 | |
| 656 | 4:55.3 | | | 4:50.23 | | Josephine Hurst | U15 | -10 | Donna Welsh | Deeside AAC | Wrexham | 17 Jul 21 | |
| 657 | 4:55.35 | | | 4:51.5 | | Anna-Rose Merchant | U15 | -9 | | Cardiff | Cardiff | 15 Aug 21 | |
| 658 | 4:55.37 | | | 4:44.61 | | Bethan Rose Davies | U13 | -11 | Richard Nation | Chelmsford | Watford | 25 Aug 21 | |
| 659 | 4:55.4 | | | 4:53.14 | | Summer Chapman | U15 | -8 | Shireen Higgins | Windsor Slough Eton & Hounslow | Guildford | 4 Jul 21 | |
| 660 | 4:55.41 | | | 4:28.48 | | Verity Hopkins | | 4 | Peter Brenchley | Tonbridge | Tonbridge | 3 May 21 | |
| 661 | 4:55.44 | | | 4:55.44 | PB | Chiara Young | U23 | -2 | Paul Roden | Sale Harriers Manchester | Stretford | 24 Apr 21 | |
| 662 | 4:55.46 | | | 4:41.57 | | Nicole Petit | | 5 | Paul Ingrouille | Guernsey | St. Peter Port | 1 Jul 21 | |
| 663 | 4:55.5 | | | 4:37.35 | | Vicki Cronin | | 9 | Michael Hutchinson | Trafford | Bury | 1 Aug 21 | |
| 664 | 4:55.52 | | | 4:40.30 | | Elsie Robinson | U17 | -6 | Stephen Robinson | Saffron AC | Nuneaton | 11 Apr 21 | |
| 665 | 4:55.54 | | | 4:40.42 | | Isobel Ashcroft | U17 | -6 | Andrew Carter | Vale Royal | Stretford | 3 Apr 21 | |
| 666 | 4:55.59 | | | 4:45.61 | | Elana Albery | | 1 | Shane Smith | Kettering | Kettering | 15 Jun 21 | |
| 666 | 4:55.59 | | | 4:48.08 | | Ella Webb | U17 | -7 | | Medway & Maidstone | Watford | 25 Aug 21 | |
| 668 | 4:55.6 | | | 4:55.6 | PB | Alex Morrice | U23 | -2 | | Walton | Aldershot | 8 May 21 | |
| 668 | 4:55.6 | | | 4:51.69 | | Annie Hutchinson | U15 | -10 | Colin Haggie | Gosforth | Gateshead | 19 Jun 21 | |
| 668 | 4:55.6 | | | 4:43.93 | | Estelle Lowe | U13 | -11 | | Westbury | Gloucester | 1 Aug 21 | |
| 671 | 4:55.63 | | | 4:54.92 | | Nia Harrison-Sargent | U15 | -9 | Charlene Thomas | Halifax | Cleckheaton | 12 Sep 21 | |
| 672 | 4:55.70 | | | 4:38.52 | | Ella Spencer | U15 | -9 | John Dill | Swindon | Swindon | 29 May 21 | |
| 673 | 4:55.7 | | | 4:55.7 | PB | Emily Williams | U17 | -8 | | Vale of Aylesbury | Milton Keynes | 12 Jun 21 | |
| 673 | 4:55.7 | | | 4:43.06 | | Martha Smith | U20 | -5 | Stephen Williams | Chelmsford | Chelmsford | 20 Jun 21 | |
| 673 | 4:55.7 | | | 4:35.34 | | Holly Freegard | U20 | -5 | David Smith | Basildon | Norwich | 29 Aug 21 | |
| 676 | 4:55.81 | | | 4:38.73 | | Holly Still | | 1 | | Giffnock North | Kilmarnock | 26 Sep 21 | |
| 677 | 4:55.83 | | | 4:55.83 | PB | Emily Brown | U20 | -6 | | New Marske | Chester-le-Street | 19 Jul 21 | |
| 678 | 4:55.9 | | | 4:48.28 | | Lucy Phillips | U17 | -8 | | Southampton | Portsmouth | 12 Jun 21 | |
| 678 | 4:55.9 | | | 4:53.3 | | Lucy Wallace | V35 | 15 | Chris Elson | Bristol & West | Nuneaton | 18 Jul 21 | |
| 680 | 4:55.91 | | | 4:45.48 | | Rebecca Quinlan | | 11 | | Chelmsford | Chelmsford | 1 Aug 21 | |
| 681 | 4:55.93 | | | 4:55.93 | PB | Sophie Peach | U20 | -4 | Granville Courtnell | City of Norwich | Watford | 28 Jul 21 | |
| 682 | 4:55.96 | | | 4:55.96 | PB | Rebekah Laffin | U15 | -9 | | North Down | Belfast | 24 Jun 21 | |
| 683 | 4:55.99 | | | 4:44.25 | | Kate Price | U17 | -6 | Phillip Kissi | Blackheath & Bromley | Bromley | 30 May 21 | |
| 684 | 4:56.00 | | | 4:48.96 | | Nicole Frith | | 6 | Tony Fern | Southampton | Southampton | 16 May 21 | |
| 685 | 4:56.0 | | | 4:54.10 | | Rebecca Luxton | V35 | 17 | Stephen Williams | Chelmsford | Basildon | 11 Sep 21 | |
| 686 | 4:56.06 | | | 4:56.06 | PB | Charlotte Bloodworth | U13 | -10 | | Blackheath & Bromley | Eltham | 23 Jun 21 | |
| 687 | 4:56.1 | | | 4:35.57 | | Marnie Fieldsend | U15 | -9 | Shireen Higgins | Bracknell AC | Bracknell | 4 Sep 21 | |
| 688 | 4:56.12 | | | 4:53.82 | | Sophie Lomas | U17 | -6 | Stuart Flack | Epsom & Ewell | Bromley | 22 May 21 | |
| 689 | 4:56.14 | | | 4:49.47 | | Tally Smyi-James | U20 | -6 | | Coventry | Nuneaton | 19 Jun 21 | |
| 690 | 4:56.17 | | | 4:56.17 | PB | Sophie Cowin | U15 | -9 | | Kendal | Stretford | 3 Apr 21 | |
| 690 | 4:56.17 | | | 4:56.17 | PB | Leah Jay | U17 | -6 | | Luton | Watford | 25 Aug 21 | |
| 692 | 4:56.21 | | | 4:56.21 | PB | Annika Neiderau | U17 | -6 | | Tavistock | Exeter | 25 May 21 | |
| 693 | 4:56.23 | | | 4:56.23 | PB | Skye Pirie | U20 | -6 | Mark Brace | North Devon | Exeter | 12 Jun 21 | |
| 693 | 4:56.23 | | | 4:25.96 | | Samantha Hughes | | 9 | Nigel Brookes | Rotherham | Cleckheaton | 4 Jul 21 | |
| 695 | 4:56.24 | | | 4:32.20 | | Ellie Bushill | U17 | -7 | Andrew Carter | Vale Royal | Stretford | 3 Apr 21 | |
| 696 | 4:56.27 | | | 4:43.28 | | Lilah Unwin | U15 | -8 | David Mills | Reigate Priory | Watford | 28 Jul 21 | |
| 697 | 4:56.29 | | | 4:50.33 | | Neisha Roberts | U17 | -6 | John Messum | Deeside AAC | Stretford | 10 Aug 21 | |
| 698 | 4:56.3 | | | 4:46.39 | | Elena Bartalotta | U15 | -9 | | Salford H | Macclesfield | 4 Sep 21 | |
| 699 | 4:56.36 | | | 4:53.94 | | Sienna Shipton | U15 | -10 | David Fewell | Chelmsford | Kingston | 21 Aug 21 | |
| 700 | 4:56.4 | | | 4:42.35 | | Holly Haldane | U17 | -7 | Mark Booth | Reading AC | Reading | 2 May 21 | |
| 700 | 4:56.4 | | | 4:56.4 | PB | Zoe Hill | U17 | -7 | | Middlesbrough (Mandale) | Middlesbrough | 6 Jun 21 | |
| 702 | 4:56.41 | | | 4:56.41 | PB | Hannah Wade | U15 | -8 | | City of Derry | Belfast | 24 Jul 21 | |
| 703 | 4:56.42 | | | 4:33.8 | | Grace Tuesday | U15 | -9 | David Leach | Lewes | Brighton | 4 Jul 21 | |
| 704 | 4:56.45 | | | 4:40.41 | | Lydia Blythe | | 1 | | Reading AC | Stretford | 10 Aug 21 | |
| 705 | 4:56.48 | | | 4:43.32 | | Rhiannon Paton | U20 | -5 | | Westbury | Yate | 6 Jun 21 | |
| 706 | 4:56.5 | | | 4:39.54 | | Darcy Gladwell | U15 | -10 | | Ipswich | Colchester | 19 Sep 21 | |
| 707 | 4:56.60 | | | 4:36.86 | | Olivia Steer | U13 | -11 | Brian O'Hare | Exeter | Braunton | 30 May 21 | |
| 707 | 4:56.60 | | | 4:39.44 | | Emma Johnson | U20 | -6 | | Corstorphine | Scotstoun | 30 Jul 21 | |
| 709 | 4:56.6 | | | 4:56.6 | PB | Matilda Crown | U17 | -8 | | Oxford City | Bracknell | 11 Sep 21 | |
| 710 | 4:56.61 | | | 4:56.61 | PB | Olivia Meikle | U17 | -8 | | Lasswade | Dunfermline | 21 Aug 21 | |
| 711 | 4:56.64 | | | 4:41.20 | | Charlotte Vaughan | U23 | -3 | | Walton | Aldershot | 4 Aug 21 | |
| 712 | 4:56.65 | | | 4:24.69 | | Millie McClelland-Brooks | U15 | -9 | Norrie Hay | Banchory Stonehaven | Aberdeen | 1 Aug 21 | |
| 713 | 4:56.66 | | | 4:41.39 | | Jasmine Palmer | U20 | -6 | David Wilkinson | Thames Valley | Harrow | 29 Apr 21 | |
| 714 | 4:56.69 | | | 4:42.10 | | Nicola Ravenhill | U23 | -2 | Mick Woods | Ealing Southall & Middx | Lee Valley | 30 Aug 21 | |
| 715 | 4:56.72 | | | 4:47.86 | | Albane Fery | U20 | -6 | Anne Hegvold | Hercules Wimbledon | Wimbledon | 2 Jun 21 | |
| 716 | 4:56.75 | | | 4:52.56 | | Mabel Lewis | U20 | -5 | Paul Simpson | Isle of Wight | Millfield | 29 May 21 | |
| 717 | 4:56.80 | | | 4:43.7 | | Natasha Lodge | | 9 | Mark White | Herne Hill | Chelmsford | 6 Jun 21 | |
| 717 | 4:56.80 | | | 4:34.53 | | Akira Edgson | U17 | -7 | Paul Roden | Sale Harriers Manchester | Eltham | 14 Jul 21 | |
| 719 | 4:56.8 | | | 4:25.26 | | Katie Hughes | U23 | -1 | Craig Winrow | Aldershot, Farnham & District | Aldershot | 8 May 21 | |
| 719 | 4:56.8 | | | 4:56.8 | PB | Marta Garcia Casavieja | | 10 | | Oxford City | Horspath | 11 Jul 21 | |
| 719 | 4:56.8 | | | 4:56.8 | PB | Lydia Witcombe | U15 | -10 | Jay Galley | Blackheath & Bromley | Erith | 17 Jul 21 | |
| 719 | 4:56.8 | | | 4:45.16 | | Isobel Charlier | U15 | -9 | | Crawley | Kingston | 31 Jul 21 | |
| 723 | 4:56.87 | | | 4:36.22 | | Elena Inch | U17 | -6 | John Wood | Holmfirth | Sheffield | 9 Jun 21 | |
| 724 | 4:56.93 | | | 4:56.93 | PB | Beth Urquhart | U17 | -8 | | Moray | Inverness | 25 Sep 21 | |
| 725 | 4:56.96 | | | 4:56.96 | PB | Catherine Charlton | V40 | 20 | Vince Wilson | Notts | Nuneaton | 5 Sep 21 | |
| 726 | 4:56.98 | | | 4:50.73 | | Lucy Hatfield | U17 | -8 | Catherine Mijovic | Bromsgrove & Redditch | Nuneaton | 19 Jun 21 | |
| 727 | 4:57.00 | | | 4:50.47 | | Megan McKay | U15 | -10 | | Edinburgh AC | Edinburgh | 16 Jul 21 | |
| 728 | 4:57.03 | | | 4:57.03 | PB | Eleanor Pearce | U13 | -10 | Sharon Edghill | Marshall Milton Keynes | Milton Keynes | 5 Jun 21 | |
| 729 | 4:57.06 | | | 4:57.06 | PB | Charlotte Lord | U20 | -6 | | Sale Harriers Manchester | Stretford | 12 Jun 21 | |
| 730 | 4:57.15 | | | 4:48.54 | | Isabella Beck | U20 | -5 | Mike Chambers | Winchester | Portsmouth | 11 Jul 21 | |
| 731 | 4:57.2 | | | 4:43.12 | | Millie Gold | U15 | -9 | Mark Gold | Cardiff | Newport | 12 Jun 21 | |
| 731 | 4:57.2 | | | 4:54.01 | | Charlotte Slack | | 3 | Keith Whitelam | Hallamshire | Cleckheaton | 19 Jun 21 | |
| 731 | 4:57.2 | | | 4:57.2 | PB | Johanna Sutcliffe | V45 | 23 | | Pontefract | Newark | 19 Jun 21 | |
| 734 | 4:57.23 | | | 4:46.56 | | Lauren Stoddart | | 8 | Eric Fisher | Edinburgh AC | Coventry | 11 Aug 21 | |
| 735 | 4:57.30 | | | 4:43.37 | | Maya Jobbins | U13 | -11 | Mick Woods | Aldershot, Farnham & District | Wimbledon | 2 Jun 21 | |
| 736 | 4:57.31 | | | 4:40.24 | | Cora Scullion | U15 | -9 | | Omagh | Belfast | 18 Jul 21 | |
| 737 | 4:57.37 | | | 4:57.37 | PB | Kate Bain | U17 | -7 | Alun Williams | Guernsey | St. Peter Port | 27 Jun 21 | |
| 737 | 4:57.37 | | | 4:57.37 | PB | Mollie O'Hanlon | U23 | -2 | | Heanor | Loughborough | 28 Aug 21 | |
| 739 | 4:57.39 | | | 4:43.02 | | Katy Whiteoak | | 1 | Tony Houchin | Stockport | Houston TX, USA | 24 Apr 21 | |
| 739 | 4:57.39 | | | 4:53.0 | | Ava Davies | U15 | -10 | | Swansea | Cardiff | 15 Aug 21 | |
| 741 | 4:57.40 | | | 4:40.40 | | Sophia Roiditis | U15 | -9 | Duncan Mason | Salford H | Stretford | 27 Jul 21 | |
| 742 | 4:57.4 | | | 4:57.4 | PB | Esme Ranger | U17 | -7 | Catherine Mijovic | Bromsgrove & Redditch | Solihull | 11 Jul 21 | |
| 742 | 4:57.4 | | | 4:44.56 | | Catriona Kane | U17 | -7 | | Central | Grangemouth | 16 Sep 21 | |
| 744 | 4:57.50 | | | 4:57.22 | | Amelia Lawrence | U15 | -9 | Mark Newell | Cambridge H | Eltham | 14 Jul 21 | |
| 745 | 4:57.5 | | | 4:54.25 | | Jessica Hayward | U17 | -6 | Mick Woods | Aldershot, Farnham & District | Aldershot | 28 Apr 21 | |
| 745 | 4:57.5 | | | 4:43.67 | | Verity Valentine | U15 | -9 | | St. Edmund Pacers | Bury St. Edmunds | 15 May 21 | |
| 745 | 4:57.5 | | | 4:57.5 | PB | Anna Gisbourne | U15 | -9 | | Bury | Bury | 29 Aug 21 | |
| 748 | 4:57.51 | | | 4:57.33 | | Ella Darby | U15 | -9 | James Wright | Rugby & Northampton | Nuneaton | 11 Apr 21 | |
| 748 | 4:57.51 | | | 4:34.61i | | Katie Sandilands | U15 | -9 | Steven Doig | Fife | Scotstoun | 30 Jul 21 | |
| 750 | 4:57.56 | | | 4:52.94 | | Alice Fearn | U15 | -9 | John Skevington | Wreake & Soar Valley | Loughborough | 14 Jul 21 | |
| 751 | 4:57.59 | | | 4:37.60 | | Iris Williams | U13 | -11 | Mark Newell | Cambridge H | Eltham | 23 Jun 21 | |
| 752 | 4:57.61 | | | 4:43.44 | | Emma McCluskey | U17 | -8 | John Clarke | Barnet | Lee Valley | 30 Aug 21 | |
| 753 | 4:57.66 | | | 4:47.12 | | Jessica Taylor | U15 | -9 | | Edinburgh AC | Meadowmill | 22 May 21 | |
| 754 | 4:57.7 | | | 4:45.45 | | Connie Easter | U15 | -9 | David Pring | City of Norwich | Norwich | 30 Apr 21 | |
| 754 | 4:57.7 | | | 4:51.8 | | Abbie Henderson | U17 | -6 | Steve Perkin | Chiltern | Milton Keynes | 12 Jun 21 | |
| 754 | 4:57.7 | | | 4:57.7 | PB | Hannah Reid | U20 | -5 | Joanna Evans | Cleethorpes | Grimsby | 24 Jul 21 | |
| 757 | 4:57.71 | | | 4:49.72 | | Carys Jones | U23 | -3 | | Swansea | Cardiff | 21 Jul 21 | |
| 758 | 4:57.74 | | | 4:54.50i | | Alicia Paton | | 1 | | Cumbernauld | Grangemouth | 30 May 21 | |
| 759 | 4:57.75 | | | 4:57.6 | | Rhian Male | | 5 | David Leach | London Heathside | Bromley | 22 May 21 | |
| 760 | 4:57.77 | | | 4:45.05 | | Carys Westcott | U15 | -9 | Julie Rayfield | Reading AC | Aldershot | 4 Aug 21 | |
| 760 | 4:57.77 | | | 4:57.77 | PB | Jade Morgan | U23 | -3 | Anthony Clarke | Liverpool H | Liverpool | 28 Aug 21 | |
| 762 | 4:57.8 | | | 4:56.64 | | Hannah Bolton | U20 | -5 | Stephen Williams | Chelmsford | Chelmsford | 20 Jun 21 | |
| 762 | 4:57.8 | | | 4:52.0 | | Colleen Nicole Mukuya | V35 | 14 | | Great Yarmouth | Norwich | 29 Aug 21 | |
| 764 | 4:57.81 | | | 4:21.20 | | Philippa Aukett | V35 | 15 | Mike Baxter | Southampton | Niagara, CAN | 23 Jun 21 | |
| 764 | 4:57.81 | | | 4:54.23 | | Chloe Tyler | | 7 | | Peterborough & Nene Valley | Loughborough | 8 Sep 21 | |
| 766 | 4:57.82 | | | 4:51.93 | | Lucy Wright | U15 | -9 | James McDonald | Herne Hill | Coulsdon | 8 Sep 21 | |
| 767 | 4:57.90 | | | 4:50.97 | | Briony Walsh | | 9 | | Ashford AC | Ashford | 22 Jul 21 | |
| 768 | 4:57.9 | | | 4:52.03 | | Mischa Walsh | U15 | -9 | | Rotherham | Grimsby | 24 Jul 21 | |
| 769 | 4:57.98 | | | 4:54.70 | | Lucy Procter | U20 | -5 | Peter Mullervy | Invicta East Kent | Ashford | 12 Jun 21 | |
| 769 | 4:57.98 | | | 4:52.52i | | Ella Davies | U17 | -6 | Kevin Tobin | Swansea | Yeovil | 22 Aug 21 | |
| 771 | 4:58.0 | | | 4:58.0 | PB | Tilly Major | U15 | -8 | Richard Thurston | Woodford Green Essex Ladies | Hemel Hempstead | 12 Jun 21 | |
| 772 | 4:58.07 | | | 4:53.13 | | Phillipa Baxter | | 1 | John Hyland | Colchester H | Milton Keynes | 28 Aug 21 | |
| 773 | 4:58.08 | | | 4:45.29 | | Aisling Smith | U15 | -9 | | Ballymena & Antrim | Belfast | 24 Jul 21 | |
| 774 | 4:58.1 | | | 4:58.1 | PB | Lisa Witty | | 10 | Peter Venus | Tynedale | Whitley Bay | 1 Aug 21 | |
| 775 | 4:58.12 | | | 4:58.12 | PB | Charlotte Staniland | U15 | -8 | | Hallamshire | Sheffield | 9 Jun 21 | |
| 776 | 4:58.13 | | | 4:49.38 | | Lesedi Nkoane | U15 | -9 | Nick Hughes | Chiltern | Watford | 28 Jul 21 | |
| 777 | 4:58.14 | | | 4:43.32 | | Maddie Mastrolonardo | U23 | -2 | Dean Miller | Blackheath & Bromley | Nuneaton | 1 May 21 | |
| 778 | 4:58.15 | | | 4:49.46 | | Daisy Davies | U15 | -10 | Annette Weale | Yeovil | Millfield | 29 May 21 | |
| 779 | 4:58.17 | | | 4:49.94 | | Natasha Wynn | U13 | -11 | John Stow | Woodford Green Essex Ladies | Watford | 25 Aug 21 | |
| 780 | 4:58.19 | | | 4:57.96 | | Gemma Newport | U20 | -6 | Spencer Newport | Charnwood | Derby | 30 May 21 | |
| 781 | 4:58.20 | | | 4:55.60 | | Becky Dunphy | | 7 | | Victoria Park City of Glasgow | Grangemouth | 18 Jul 21 | |
| 782 | 4:58.2 | | | 4:37.91 | | Molly Peel | U20 | -5 | Bill Foster | Peterborough & Nene Valley | Peterborough | 14 Aug 21 | |
| 783 | 4:58.26 | | | 4:49.23 | | Charlotte Horne | U15 | -9 | | Falkirk | Aberdeen | 28 Aug 21 | |
| 784 | 4:58.31 | | | 4:42.13 | | Emma Etheredge | | 1 | John Greig | Cambridge & Coleridge | St. Peter Port | 1 Jul 21 | |
| 785 | 4:58.38 | | | 4:58.38 | PB | Fiona Corrick | U20 | -4 | Mark Brace | Liverpool H | Exeter | 31 Aug 21 | |
| 786 | 4:58.4 | | | 4:55.97 | | Ellen Cooper | U20 | -6 | Michael Taylor | Wycombe | Aldershot | 8 May 21 | |
| 786 | 4:58.4 | | | 4:52.3 | | Clemmie Boyd | U20 | -5 | Paul Kelsey | Oxford City | Horspath | 16 May 21 | |
| 786 | 4:58.4 | | | 4:58.4 | PB | Amber Faull | U20 | -4 | | Havant | Brighton | 20 Jun 21 | |
| 789 | 4:58.44 | | | 4:58.44 | PB | Ava Mehaffey | U15 | -8 | | City of Lisburn | Belfast | 18 Jul 21 | |
| 790 | 4:58.45 | | | 4:31.87 | | Clare Elms | V55 | 36 | | Dulwich | Bromley | 11 Apr 21 | |
| 791 | 4:58.51 | | | 4:58.4 | | Lara Sterritt | U23 | -1 | David Wilkinson | Thames Valley | Wormwood Scrubs | 9 Jun 21 | |
| 792 | 4:58.52 | | | 4:48.11 | | Layla Roden | U13 | -10 | Richard Harris | Rotherham | Sheffield | 3 May 21 | |
| 793 | 4:58.60 | | | 4:53.2 | | Maisie Joy Spriggs | U15 | -9 | Paul Hawkins | Stratford-upon-Avon | Nuneaton | 31 Jul 21 | |
| 794 | 4:58.6 | | | 4:24.02 | | Isla McGowan | U15 | -9 | Ros Kelling | Banbury | Banbury | 3 Jul 21 | |
| 795 | 4:58.61 | | | 4:54.6 | | Sienna Richardson | U17 | -7 | Rod Finch | Basingstoke & Mid Hants | Aldershot | 4 Aug 21 | |
| 796 | 4:58.63 | | | 4:58.62 | | Alice Lucy Walton | U20 | -5 | | Charnwood | Loughborough | 1 Aug 21 | |
| 797 | 4:58.64 | | | 4:44.54 | | Bethan Homer | U17 | -8 | | Royal Sutton Coldfield | Birmingham (U) | 9 Jun 21 | |
| 797 | 4:58.64 | | | 4:58.64 | PB | Charlotte Narducci | U17 | -6 | | Aberdeen | Grangemouth | 18 Jul 21 | |
| 799 | 4:58.66 | | | 4:27.58 | | Alex Barbour | U23 | -1 | Shireen Higgins | Windsor Slough Eton & Hounslow | Wormwood Scrubs | 3 Jul 21 | |
| 799 | 4:58.66 | | | 4:44.61 | | Rachelle Falloon | | 6 | Christopher Waugh | Morpeth | Middlesbrough | 22 Aug 21 | |
| 801 | 4:58.67 | | | 4:46.95 | | Evie Wild | U20 | -4 | Andrew Mihranian | Stockport | Stretford | 24 Apr 21 | |
| 802 | 4:58.68 | | | 4:54.69 | | Bella Taylor | U13 | -11 | Andrew Taylor | West Suffolk | Dagenham | 29 May 21 | |
| 802 | 4:58.68 | | | 4:58.68 | PB | Robin Simons | U15 | -9 | Nicole Brown | Guildford & Godalming | Aldershot | 4 Aug 21 | |
| 804 | 4:58.69 | | | 4:39.65 | | Scarlett Kent | U20 | -4 | Ali Kadir | Shaftesbury Barnet | Watford | 25 Aug 21 | |
| 805 | 4:58.7 | | | 4:49.08 | | Macy Hillier | U17 | -7 | Andrew Fox | Manx | Douglas | 12 May 21 | |
| 805 | 4:58.7 | | | 4:58.7 | PB | Isla O'Connor | U15 | -9 | Phillip O'Connor | Wimborne | Poole | 12 Jun 21 | |
| 807 | 4:58.72 | | | 4:58.72 | PB | Ruby McGill | U17 | -7 | | Greenock Glenpark | Grangemouth | 30 May 21 | |
| 807 | 4:58.72 | | | 4:41.25 | | Joanne Mills | | 7 | Eamonn Christie | Lagan Valley | Belfast | 10 Jul 21 | |
| 809 | 4:58.73 | | | 4:58.73 | PB | Josephine Edmunds | U23 | -1 | | Hastings AC | Eltham | 14 Jul 21 | |
| 810 | 4:58.78 | | | 4:58.78 | PB | Ellie Morris | U15 | -8 | Luke Morris | Blaenau Gwent | Millfield | 29 May 21 | |
| 811 | 4:58.79 | | | 4:58.79 | PB | Somerby Hamdorff | | 4 | | Highgate | Parliament Hill | 1 Sep 21 | |
| 812 | 4:58.8 | | | 4:46.67 | | Megan Gildea | | 2 | Mick Woods | Aldershot, Farnham & District | Aldershot | 14 Aug 21 | |
| 813 | 4:58.81 | | | 4:51.5 | | Florence White | U15 | -10 | | Epsom & Ewell | Aldershot | 31 May 21 | |
| 814 | 4:58.87 | | | 4:50.88 | | Millie Watkins | U15 | -9 | | London Heathside | Lee Valley | 12 Jun 21 | |
| 815 | 4:58.9 | | | 4:57.07 | | Katherine Snowden | | 11 | Matthew Hargreaves | Tamworth | Burton | 14 Aug 21 | |
| 816 | 4:58.91 | | | 4:46.25 | | Luciana Smith | U13 | -10 | Andy Frankish | Blackheath & Bromley | Tonbridge | 30 Aug 21 | |
| 817 | 4:58.93 | + | | 4:52.81 | | Eloise Bull | U23 | -1 | Sally Straw | Reigate Priory | Wimbledon | 28 Jul 21 | |
| 817 | 4:58.93 | | | 4:53.22 | | Amy Billups | | 2 | | South London | Battersea Park | 14 Aug 21 | |
| 819 | 4:58.95 | | | 4:41.5 | | Amelia Cox | U17 | -7 | | Crawley | Crawley | 30 Aug 21 | |
| 820 | 4:58.96 | + | | 4:53.9 | | Rebecca Frake | | 8 | Alex MacEwen | Edinburgh AC | Stirling | 21 May 21 | |
| 821 | 4:58.97 | | | 4:49.45 | | Holly Sanigar | U15 | -9 | Christopher Palmer | Bristol & West | Millfield | 29 May 21 | |
| 822 | 4:58.99 | | | 4:58.99 | PB | Izzy Perry | U15 | -9 | James McDonald | Herne Hill | Battersea Park | 12 Jun 21 | |
| 823 | 4:59.0 | | | 4:59.0 | PB | K MacKinnon | U15 | -8 | | Dorset Schs | Poole | 12 Jun 21 | |
| 823 | 4:59.0 | | | 4:48.74 | | Amelia Bratt | U20 | -5 | Duncan Mason | Salford H | Bury | 1 Aug 21 | |
| 825 | 4:59.01 | | | 4:59.01 | PB | Mackenzie O'Dea | U17 | -7 | Simon Prior | Yeovil | Yeovil | 8 May 21 | |
| 826 | 4:59.02 | | | 4:59.02 | PB | Nichola Evans | V35 | 16 | Richard Owen | Tonbridge | Tonbridge | 30 Aug 21 | |
| 827 | 4:59.03 | | | 4:46.89 | | Aoife Thorogood | | 5 | | Exeter | Exeter | 29 Jun 21 | |
| 828 | 4:59.04 | | | 4:59.04 | PB | Dashka MacDonald | U15 | -9 | | Edinburgh AC | Scotstoun | 30 Jul 21 | |
| 829 | 4:59.10 | | | 4:33.16 | | Grace Igoe | U13 | -11 | Richard Harris | Rotherham | Nuneaton | 4 Jul 21 | |
| 830 | 4:59.13 | | | 4:59.13 | PB | Keshni Manek | U17 | -7 | Shireen Higgins | Windsor Slough Eton & Hounslow | Aldershot | 31 May 21 | |
| 831 | 4:59.14 | | | 4:59.14 | PB | Libby Brown | | 2 | | Cambridge Uni Hare & Hounds | Stretford | 1 Jun 21 | |
| 832 | 4:59.18 | | | 4:34.61 | | Eilidh Dallas | U13 | -11 | | Strathearn | Dunfermline | 21 Aug 21 | |
| 833 | 4:59.2 | | | 4:59.2 | PB | Darcy Hawkins | U15 | -10 | | Bournemouth | Aldershot | 27 Jun 21 | |
| 834 | 4:59.25 | | | 4:59.25 | PB | Lily Yates | U20 | -4 | | Woodford Green Essex Ladies | Woodford | 11 Jul 21 | |
| 835 | 4:59.30 | i | | 4:56.95 | | Rebecca Brassington | | 11 | | Unattached | Gallur, ESP | 13 Feb 21 | |
| 835 | 4:59.30 | | | 4:40.08 | | Sofie Kent | | 7 | Daniel Robinson | Aldershot, Farnham & District | Yeovil | 22 Aug 21 | |
| 837 | 4:59.3 | | | 4:53.16 | | Olesia Winder | U17 | -7 | Tim Winder | Leven Valley | Lancaster | 3 Jul 21 | |
| 838 | 4:59.35 | | | 4:46.01 | | India Frost | U17 | -8 | Mike Dunphy | Dacorum | Kingston | 22 Aug 21 | |
| 839 | 4:59.37 | | | 4:47.16 | | Rosie Gasson | U15 | -8 | John Clements | Brighton & Hove | Crawley | 8 May 21 | |
| 840 | 4:59.40 | | | 4:56.88 | | Georgina Clarke | U15 | -8 | | Newquay & Par | Plymouth | 1 Aug 21 | |
| 841 | 4:59.4 | | | 4:48.69 | | Rebecca Pierce | | 12 | | Bristol & West | Gloucester | 15 Jun 21 | |
| 842 | 4:59.41 | | | 4:59.41 | PB | Jessica Adams | U20 | -6 | John Stow | Woodford Green Essex Ladies | Woodford | 11 Jul 21 | |
| 843 | 4:59.45 | | | 4:44.66 | | Alice Cox | U15 | -9 | Tony Lintern | Crawley | Lewes | 26 May 21 | |
| 844 | 4:59.46 | | | 4:59.46 | PB | Molly Firth | U17 | -7 | | Halifax | Cleckheaton | 26 May 21 | |
| 845 | 4:59.5 | | | 4:59.5 | PB | Beth Tabor | U23 | -2 | | Wolverhampton & Bilston | Telford | 20 Jun 21 | |
| 845 | 4:59.5 | | | 4:55.6 | | Abigail Manson | U15 | -9 | | Stevenage & North Herts | St. Albans | 14 Sep 21 | |
| 847 | 4:59.52 | | | 4:59.52 | PB | Grace Eminson | U15 | -9 | Anne Hegvold | Hercules Wimbledon | Battersea Park | 12 Jun 21 | |
| 848 | 4:59.53 | | | 4:42.04 | | Isabel Holt | U17 | -8 | | Blackburn | Stretford | 24 Apr 21 | |
| 849 | 4:59.55 | | | 4:59.55 | PB | Eloise Davies | U17 | -6 | Anne Hegvold | Hercules Wimbledon | Lee Valley | 12 Jun 21 | |
| 850 | 4:59.6 | | | 4:59.6 | PB | Rachel Bailey | U23 | -1 | | Bolton | Bury | 1 Aug 21 | |
| 851 | 4:59.75 | | | 4:42.9 | | Sydney Foley | U20 | -5 | Russell Middleton | Havering | Woodford | 30 May 21 | |
| 852 | 4:59.76 | | | 4:59.76 | PB | Paige Watson | U17 | -7 | | Wakefield | Leeds | 9 Aug 21 | |
| 853 | 4:59.8 | | | 4:59.8 | PB | Tilly Lea | | 3 | Nicholas Garner | Rugby & Northampton | Nuneaton | 20 Jun 21 | |
| 854 | 4:59.82 | | | 4:59.82 | PB | Katie Williams | U17 | -7 | | City of Stoke | Nuneaton | 4 Jul 21 | |
| 855 | 4:59.86 | | | 4:59.86 | PB | Daisy Walker | U17 | -8 | Keeley Sutton | Notts | Nuneaton | 1 May 21 | |
| 856 | 4:59.87 | | | 4:54.41 | | Amelia Starling | U23 | -2 | Paul Hayes | Coventry | Loughborough | 8 Sep 21 | |
| 857 | 4:59.9 | | | 4:59.9 | PB | Anna Midgley | V35 | 17 | | Gloucester | Cheltenham | 14 Jul 21 | |
| 858 | 4:59.97 | | | 4:52.81 | | Keira Devereux | U17 | -8 | Julian Emery | North Somerset | Yate | 30 May 21 | |
| 858 | 4:59.97 | | | 4:48.90 | | Suzanne Brooke | U20 | -5 | | Wakefield | York | 22 Aug 21 | |
| 860 | 4:59.99 | | | 4:59.99 | PB | Georgia Hanley | U23 | -3 | David Wilkinson | Thames Valley | Lee Valley | 30 Aug 21 | |
| 861 | 5:00.02 | | | 4:59.5 | | Katie Foss | U15 | -9 | | Crawley | Lewes | 26 May 21 | |
| 862 | 5:00.1 | | | 5:00.1 | PB | Victoria Mackay | V35 | 15 | | Wolverhampton & Bilston | Telford | 10 Jul 21 | |
| 863 | 5:00.13 | | | 5:00.13 | PB | Lucy Hall | U20 | -6 | | Bracknell AC | Aldershot | 4 Aug 21 | |
| 864 | 5:00.14 | | | 4:57.61 | | Gabrielle Holland | U15 | -8 | | East Grinstead | Crawley | 8 May 21 | |
| 864 | 5:00.14 | | | 4:55.10 | | Eva Barton | U13 | -10 | Simon Eisenmann | West Suffolk | Kettering | 31 May 21 | |
| 864 | 5:00.14 | | | 5:00.14 | PB | Eva Maignan | U15 | -9 | | South London | Battersea Park | 12 Jun 21 | |
| 867 | 5:00.19 | | | 4:53.29 | | Grace Tobin | U17 | -7 | Lynn Webb | Liverpool H | Stretford | 24 Apr 21 | |
| 867 | 5:00.19 | | | 4:33.63 | | Tabs Ford | U17 | -8 | Bob Schofield | Kingston upon Hull | York | 5 Sep 21 | |
| 869 | 5:00.21 | | | 4:59.97 | | Olivia Magee-Brown | U17 | -8 | Andy Frankish | Blackheath & Bromley | Bromley | 11 Sep 21 | |
| 870 | 5:00.26 | | | 5:00.26 | PB | Katie Flockhart | U17 | -7 | | Bracknell AC | Eton | 16 May 21 | |
| 870 | 5:00.26 | | | 4:53.15 | | Lillie Hellyer | U15 | -9 | | Worthing | Brighton | 4 Jul 21 | |
| 872 | 5:00.29 | | | 4:29.20 | | Lucy Armitage | U20 | -6 | Peter Johnson | Sale Harriers Manchester | Stretford | 21 Aug 21 | |
| 873 | 5:00.33 | | | 5:00.33 | PB | Elizabeth Atkinson | U17 | -8 | | Jersey | Milton Keynes | 5 Jun 21 | |
| 874 | 5:00.4 | | | 5:00.4 | PB | Hazel Forrest | U15 | -8 | | Harrogate | York | 13 Jun 21 | |
| 875 | 5:00.45 | | | 5:00.45 | PB | Lexie Brown | U15 | -9 | | Poole AC | Millfield | 29 May 21 | |
| 875 | 5:00.45 | | | 4:48.92 | | Lottie Rowedder | U23 | -2 | | Herts Phoenix | Chelmsford | 7 Aug 21 | |
| 877 | 5:00.48 | | | 5:00.48 | PB | Hollie Rex | U20 | -5 | | Basildon | Woodford | 30 May 21 | |
| 878 | 5:00.5 | | | 4:53.0 | | Matilda Ashley | U20 | -6 | Kerry Newell | Gloucester | Gloucester | 15 Jun 21 | |
| 878 | 5:00.5 | | | 5:00.5 | PB | Kay Sheedy | V35 | 15 | | Dulwich | Blackpool | 21 Aug 21 | |
| 880 | 5:00.53 | | | 4:44.85 | | Amelia Wills | U20 | -4 | | Bracknell AC | Stevenage | 25 Jul 21 | |
| 881 | 5:00.54 | | | 4:50.32 | | Kathleen Mooney | U20 | -6 | | South London | Coulsdon | 8 Sep 21 | |
| 882 | 5:00.57 | | | 4:42.08 | | Leah Peploe | | 3 | Steve Green | Leigh | Stretford | 22 May 21 | |
| 883 | 5:00.58 | | | 5:00.58 | PB | Neve East | U17 | -7 | | Bournemouth | Aldershot | 31 May 21 | |
| 884 | 5:00.6 | | | 4:29.77 | | Sienna Rosewell | U15 | -8 | Christopher Brown | Stroud | Gloucester | 23 May 21 | |
| 884 | 5:00.6 | | | 5:00.6 | PB | Hannah Taylor | U17 | -8 | | Bourne | Sandy | 20 Jun 21 | |
| 886 | 5:00.67 | | | 5:00.67 | PB | Larna Morgan | U17 | -8 | Stephen Williams | Chelmsford | Watford | 25 Aug 21 | |
| 887 | 5:00.68 | | | 5:00.68 | PB | Laura Kaye | | 5 | Rob Lewis | Victoria Park & Tower Hamlets | Finsbury Park | 14 Aug 21 | |
| 888 | 5:00.7 | | | 4:53.54 | | Gaby Bilbie | U15 | -8 | Richard Nation | Chelmsford | Peterborough | 16 May 21 | |
| 888 | 5:00.7 | | | 4:56.13 | | Natalia Austin | U15 | -9 | | Medway & Maidstone | Tonbridge | 8 Aug 21 | |
| 890 | 5:00.73 | | | 5:00.73 | PB | Heather Scott | U23 | -2 | | Central | Grangemouth | 18 Jul 21 | |
| 891 | 5:00.77 | | | 5:00.32 | | Niamh Hillard | U15 | -9 | Paul Hawkins | Stratford-upon-Avon | Nuneaton | 31 Jul 21 | |
| 892 | 5:00.8 | | | 5:00.8 | PB | Kate Pomerleau | U15 | -9 | | Daventry | Moulton | 12 Jun 21 | |
| 893 | 5:00.85 | | | 4:52.54 | | Lily Jessop-Tranter | U15 | -10 | Nick Hughes | Chiltern | Harrow | 20 May 21 | |
| 894 | 5:00.90 | | | 4:40.73 | | Lucy Ashe | | 11 | Jim Buckland | Harrow | Harrow | 20 Jun 21 | |
| 895 | 5:00.93 | | | 5:00.93 | PB | Naryani Costa-Jafrate | U17 | -8 | | Chippenham H | Swindon | 12 Sep 21 | |
| 896 | 5:00.94 | | | 5:00.94 | PB | Victoria Basquill | V45 | 27 | | Serpentine | Perivale | 15 Aug 21 | |
| 897 | 5:00.96 | | | 5:00.96 | PB | Grace Manson | U17 | -7 | | Mansfield | Loughborough | 16 Jun 21 | |
| 897 | 5:00.96 | | | 4:53.01i | | Esme Dougall | U17 | -8 | | Giffnock North | Grangemouth | 14 Aug 21 | |
| 899 | 5:01.0 | | | 5:01.0 | PB | Stephanie Maclean Dann | V45 | 24 | | North Shields Poly | Jarrow | 7 Jun 21 | |
| 900 | 5:01.05 | | | 4:42.28 | | Katherine Haslip | U11 | -12 | | Brighton Phoenix | Lewes | 26 May 21 | |
| 901 | 5:01.1 | | | 4:52.58 | | Molly Sherrin | U15 | -9 | John Stow | Woodford Green Essex Ladies | Bury St. Edmunds | 15 May 21 | |
| 901 | 5:01.1 | | | 5:01.1 | PB | Sophie Huxtable | U17 | -7 | | Lancaster & Morecambe | Blackpool | 21 Aug 21 | |
| 903 | 5:01.11 | | | 4:56.00i | | Imogen Hadley | U17 | -7 | Phillip Kissi | Blackheath & Bromley | Milton Keynes | 5 Jun 21 | |
| 904 | 5:01.12 | | | 4:55.58 | | Zoe White | U20 | -4 | Andy Frankish | Blackheath & Bromley | Eltham | 11 Jul 21 | |
| 905 | 5:01.20 | | | 4:50.9 | | Evie Warren | U20 | -5 | Andy Coley-Maud | Reading AC | Bedford | 13 Jun 21 | |
| 906 | 5:01.2 | | | 5:00.68 | | Ruby Russell | U17 | -8 | | Fife | Dunfermline | 25 Jun 21 | |
| 906 | 5:01.2 | | | 4:44.53 | | Sarah Kingston | V35 | 14 | Peter Haynes | Southampton | Portsmouth | 29 Aug 21 | |
| 906 | 5:01.2 | | | 4:45.03 | | Laila Hellyer | U15 | -9 | | Worthing | Brighton | 4 Sep 21 | |
| 906 | 5:01.2 | | | 4:45.42 | | Holly Collier | | 1 | | Bournemouth | Salisbury | 11 Sep 21 | |
| 906 | 5:01.2 | | | 4:58.0 | | Seren Jones | U17 | -8 | Arthur Daley | Gloucester | Cheltenham | 18 Sep 21 | |
| 911 | 5:01.22 | | | 4:52.89 | | Marisa Poole | U17 | -7 | Mark Brace | North Devon | Plymouth | 1 Aug 21 | |
| 912 | 5:01.24 | | | 4:56.96 | | Maddison Griffiths | U17 | -7 | | Maldwyn | Newport | 31 Jul 21 | |
| 913 | 5:01.27 | | | 4:58.58 | | Siobhan Gregory | U20 | -5 | | Warrington AC | Stretford | 13 Jul 21 | |
| 914 | 5:01.3 | | | 4:56.51 | | Rebecca Brown | U23 | -1 | Robert Hughes | Cannock & Stafford | Stoke | 11 Jul 21 | |
| 915 | 5:01.36 | | | 4:47.67 | | Jessica Milburn | U17 | -7 | | Gateshead | Jarrow | 28 Apr 21 | |
| 916 | 5:01.40 | | | 4:48.49 | | Isabel Mansley | U17 | -8 | | Cambridge & Coleridge | Stevenage | 15 Aug 21 | |
| 917 | 5:01.4 | | | 5:01.4 | PB | Jasmine Egoh | U15 | -9 | | Buckinghamshire Schs | Milton Keynes | 12 Jun 21 | |
| 917 | 5:01.4 | | | 4:55.30 | | Chloe Powell | | 4 | Neil England | Newport H | Stourport | 8 Aug 21 | |
| 919 | 5:01.42 | | | 4:39.70 | | Poppy Taylor | U13 | -10 | Nick Anderson | Winchester | Aldershot | 4 Aug 21 | |
| 920 | 5:01.43 | | | 4:56.33 | | Ellie Jade Small | U20 | -5 | Neil Edwards | Deeside AAC | Stretford | 1 Jun 21 | |
| 921 | 5:01.45 | | | 4:47.36 | | Tilly Spinney | U20 | -6 | | Yate | Yate | 28 Aug 21 | |
| 922 | 5:01.46 | | | 4:50.01i | | Summer Ludlam | U17 | -7 | Adam Simpson | Hallamshire | Doncaster | 30 May 21 | |
| 923 | 5:01.5 | | | 4:46.71 | | Isla Hall | U13 | -11 | | Jersey | St Clement | 25 Jul 21 | |
| 923 | 5:01.5 | | | 5:01.5 | PB | Sophi Hayes-Hoyle | U17 | -7 | Christopher Palmer | Bristol & West | Gloucester | 1 Aug 21 | |
| 925 | 5:01.58 | | | 4:49.82 | | Lily Tse | U17 | -6 | Deborah Steer | St. Albans AC | Stevenage | 11 Sep 21 | |
| 926 | 5:01.59 | | | 4:55.36 | | Amelia Hartshorn | U17 | -7 | | Halesowen | Nuneaton | 18 Apr 21 | |
| 927 | 5:01.6 | | | 4:47.01 | | Annice Kemp | U15 | -8 | | South London | Kingston | 31 Jul 21 | |
| 928 | 5:01.66 | | | 4:44.55 | | Lauren Creaby | U15 | -10 | Steven Walker | Blyth | Jarrow | 21 Jul 21 | |
| 929 | 5:01.68 | | | 4:46.31 | | Charlotte Rawstron | U17 | -7 | Gordon Agar | Skyrac | Cleckheaton | 26 May 21 | |
| 929 | 5:01.68 | | | 4:50.0 | | Julieana Walsh | U13 | -10 | | Brighton & Hove | Crawley | 31 Jul 21 | |
| 931 | 5:01.70 | | | 5:00.0 | | Alice Lewis | U17 | -8 | | Gosforth | Jarrow | 28 Apr 21 | |
| 931 | 5:01.70 | | | 4:42.20 | | Amber Clarke | U23 | -1 | Conrad Milton | Windsor Slough Eton & Hounslow | Eton | 11 Sep 21 | |
| 933 | 5:01.7 | | | 4:54.25 | | Sophie Harding | U15 | -9 | Andrew Carter | Vale Royal | Ellesmere Port | 29 Aug 21 | |
| 933 | 5:01.7 | | | 5:01.0 | | Charlotte Marshall | U17 | -7 | Paul Hawkins | Stratford-upon-Avon | Stratford upon Avon | 12 Sep 21 | |
| 933 | 5:01.7 | | | 5:01.7 | PB | Poppy Fisher | U15 | -8 | Deborah Steer | St. Albans AC | St. Albans | 14 Sep 21 | |
| 936 | 5:01.71 | | | 4:38.18 | | Ava Sutton | U13 | -12 | Christopher Jeffery | Cornwall AC | Exeter | 18 Jul 21 | |
| 937 | 5:01.76 | | | 5:01.76 | PB | Ava Beaton | U15 | -8 | | Inverclyde | Aberdeen | 28 Aug 21 | |
| 938 | 5:01.77 | | | 5:01.77 | PB | Annabel Milburn | U15 | -9 | | Gateshead | Jarrow | 28 Apr 21 | |
| 939 | 5:01.8 | | | 4:58.2 | | Lucy Thompson | U15 | -10 | Ellie Cumner | Colchester & Tendring | Bury St. Edmunds | 15 May 21 | |
| 939 | 5:01.8 | | | 4:53.3 | | Allegra Massey | U15 | -8 | Alan Hewson | Victoria Park & Tower Hamlets | Milton Keynes | 12 Jun 21 | |
| 939 | 5:01.8 | | | 4:26.85 | | Sue Bosher | V40 | 18 | | Bedford & County | Sandy | 16 Jun 21 | |
| 939 | 5:01.8 | | | 5:01.8 | PB | Kayleigh Atkinson | U15 | -9 | Richard Nation | Chelmsford | Grays | 4 Jul 21 | |
| 939 | 5:01.8 | | | 5:01.8 | PB | Simone Jones | | 12 | | Halesowen | Telford | 10 Jul 21 | |
| 944 | 5:01.84 | | | 4:44.03 | | Aria Aberley-Barker | U17 | -8 | | City of Stoke | Nuneaton | 11 Aug 21 | |
| 945 | 5:01.9 | | | 4:53.1 | | Emily Hinton | U17 | -7 | Michael Lewis | Rugby & Northampton | Leamington | 10 Jul 21 | |
| 946 | 5:01.92 | | | 4:48.86 | | Layla Todd | U15 | -9 | | Shetland | Aberdeen | 28 Aug 21 | |
| 947 | 5:01.99 | | | 4:32.93 | | Zara Redmond | U15 | -10 | | Kilbarchan | Kilmarnock | 1 Aug 21 | |
| 947 | 5:01.99 | | | 4:43.06i | | Freya Campbell | U15 | -9 | | Giffnock North | Kilmarnock | 1 Aug 21 | |
| 949 | 5:02.02 | | | 4:46.9 | | Kiki Webb | U17 | -7 | Trevor Raggett | Windsor Slough Eton & Hounslow | Bromley | 22 May 21 | |
| 950 | 5:02.05 | | | 5:02.05 | PB | Georgia Winter | U17 | -7 | | Hercules Wimbledon | Battersea Park | 12 Jun 21 | |
| 951 | 5:02.08 | | | 4:56.69 | | Joanna Bingham | U20 | -6 | James Wardman | Rothwell | Cleckheaton | 5 May 21 | |
| 952 | 5:02.09 | | | 5:02.09 | PB | Isabella Backhouse | U15 | -9 | | Salford H | Stretford | 27 Jul 21 | |
| 953 | 5:02.1 | | | 5:02.1 | PB | Zinia Wood | U15 | -9 | Bryan Clinton | Swindon | Aldershot | 27 Jun 21 | |
| 954 | 5:02.12 | | | 5:02.12 | PB | Rose Sheppard | U17 | -6 | | Braintree | Chelmsford | 12 Jun 21 | |
| 954 | 5:02.12 | | | 5:01.08 | | Anna Cruden | U15 | -9 | | Edinburgh AC | Aberdeen | 28 Aug 21 | |
| 956 | 5:02.16 | | | 4:39.29 | | Billie Rouse | U20 | -5 | Steve Fury | Medway & Maidstone | Bromley | 30 May 21 | |
| 956 | 5:02.16 | | | 5:02.16 | PB | Holly Leman-Liberal | U20 | -5 | | Torbay | Exeter | 31 Aug 21 | |
| 958 | 5:02.17 | | | 4:58.6 | | Emma Wilson | U20 | -5 | Mick Woods | Aldershot, Farnham & District | Aldershot | 31 May 21 | |
| 959 | 5:02.19 | | | 4:46.3 | | Bernadette Caygill | V45 | 24 | | Darlington H | Jarrow | 19 Jun 21 | |
| 960 | 5:02.2 | | | 5:00.52 | | Gina Galbraith | V45 | 23 | Maurice Sharp | Hercules Wimbledon | Carshalton | 20 Jun 21 | |
| 961 | 5:02.21 | | | 5:02.21 | PB | Olivia Robinson | U17 | -8 | Paul Hawkins | Stratford-upon-Avon | Nuneaton | 11 Apr 21 | |
| 961 | 5:02.21 | | | 4:51.25 | | Abigail Nicholson | U15 | -8 | Keeley Sutton | Notts | Nuneaton | 11 Aug 21 | |
| 963 | 5:02.23 | | | 4:46.52 | | Jordan Hinds | U23 | -3 | | Ilford | Watford | 25 Aug 21 | |
| 964 | 5:02.24 | | | 4:51.67 | | Holly Diprose | U15 | -10 | Darrell Smith | Sevenoaks | Ashford | 12 Jun 21 | |
| 965 | 5:02.26 | | | 4:20.07 | | Jessica Lark | U15 | -9 | Ian Ackroyd | West Cheshire | Stretford | 29 Jun 21 | |
| 966 | 5:02.30 | | | 5:00.46 | | Amelia King | U15 | -9 | Stephen Williams | Chelmsford | Bromley | 22 May 21 | |
| 966 | 5:02.30 | | | 4:57.67 | | Emily Ford | U15 | -10 | Nick Hughes | Chiltern | Watford | 28 Jul 21 | |
| 968 | 5:02.33 | | | 5:02.33 | PB | Natasha Lee | U17 | -8 | Robert Hughes | Cannock & Stafford | Nuneaton | 1 May 21 | |
| 968 | 5:02.33 | | | 4:38.96 | | Molly Sweetman | U20 | -4 | Russell Middleton | Havering | Hornchurch | 2 May 21 | |
| 970 | 5:02.34 | | | 4:50.01 | | Iris Crossley | U15 | -10 | Steve Fury | Medway & Maidstone | Eltham | 14 Jul 21 | |
| 971 | 5:02.35 | | | 4:49.76 | | Annabelle Suffield | U15 | -10 | | Harrow | Watford | 28 Jul 21 | |
| 971 | 5:02.35 | | | 5:02.35 | PB | Frankie Duncan-Morris | U20 | -4 | | Dundee Hawkhill | Aberdeen | 29 Aug 21 | |
| 973 | 5:02.36 | | | 4:38.08 | | Meredith Reid | U20 | -6 | Norrie Hay | North Ayrshire | Chester-le-Street | 19 Jul 21 | |
| 974 | 5:02.4 | | | 4:53.64 | | Beckie Cray | U15 | -9 | Deborah Steer | St. Albans AC | St. Albans | 14 Sep 21 | |
| 975 | 5:02.42 | | | 5:00.88 | | Millie Thorpe | U17 | -7 | Anne Hegvold | Hercules Wimbledon | Wimbledon | 2 Jun 21 | |
| 976 | 5:02.44 | | | 4:27.71 | | Eliza Nicholson | U15 | -9 | Darrell Smith | Sevenoaks | Ashford | 12 Jun 21 | |
| 977 | 5:02.48 | | | 4:49.05 | | Rosie Challender | U17 | -7 | Keeley Sutton | Notts | Nottingham | 12 Sep 21 | |
| 978 | 5:02.5 | | | 4:45.22 | | Macy Kelly | U17 | -8 | | Darlington H | Morpeth | 17 Jul 21 | |
| 978 | 5:02.5 | | | 4:50.16 | | Isabella Appleby | U15 | -9 | | Sale Harriers Manchester | Sportcity | 17 Jul 21 | |
| 980 | 5:02.51 | | | 4:50.15 | | Charlotte Harris | U17 | -8 | John Clarke | Barnet | Watford | 25 Aug 21 | |
| 981 | 5:02.60 | | | 4:45.4 | | Katie Astin | | 1 | Tony Houchin | Manx | Houston TX, USA | 24 Apr 21 | |
| 982 | 5:02.61 | | | 5:02.61 | PB | Mairi Clements | U15 | -9 | | Ballymena & Antrim | Belfast | 24 Jun 21 | |
| 983 | 5:02.63 | | | 5:02.63 | PB | Tui Brooks | U17 | -7 | | Keighley & Craven | Cleckheaton | 5 May 21 | |
| 983 | 5:02.63 | | | 5:02.63 | PB | Ciara Yates | U15 | -8 | | City of Stoke | Stretford | 25 Sep 21 | |
| 985 | 5:02.69 | | | 4:55.0 | | Mia Rosen | U15 | -9 | Peter Scott | London Heathside | Watford | 25 Aug 21 | |
| 986 | 5:02.7 | | | 5:02.7 | PB | Zarah Wood | U15 | -9 | Bryan Clinton | Swindon | Aldershot | 27 Jun 21 | |
| 986 | 5:02.7 | | | 4:44.60 | | Esme Stephenson | U15 | -9 | David Leach | Lewes | Lewes | 17 Jul 21 | |
| 986 | 5:02.7 | | | 4:58.9 | | Rachel Burton | U20 | -4 | | Radley | Bracknell | 11 Sep 21 | |
| 989 | 5:02.75 | | | 4:55.78 | | Eden Edwards | U17 | -8 | Neil Edwards | Deeside AAC | Stretford | 24 Aug 21 | |
| 990 | 5:02.76 | | | 5:02.76 | PB | Amy Garrod | U15 | -8 | Darryn McAtee | Newport H | Newport | 12 Jun 21 | |
| 991 | 5:02.78 | | | 4:59.6 | | Yasmin Hadid | U17 | -7 | | Cardiff | Newport | 31 Jul 21 | |
| 992 | 5:02.8 | | | 4:55.74 | | Chloe Jones | U15 | -10 | Claire East | City of Portsmouth | Portsmouth | 12 Jun 21 | |
| 992 | 5:02.8 | | | 5:02.8 | PB | Gemma Collier | V35 | 14 | Matthew Long | Gloucester | Gloucester | 15 Jun 21 | |
| 992 | 5:02.8 | | | 5:02.8 | PB | Poppy Mitchell | U17 | -7 | | Epsom & Ewell | Kingston | 11 Jul 21 | |
| 992 | 5:02.8 | | | 4:52.9 | | Eloise Foster | U15 | -9 | Bryan Clinton | Swindon | Hereford | 4 Sep 21 | |
| 996 | 5:02.83 | | | 4:40.70 | | Annabel Morrison | U15 | -8 | | Enniskillen RC | Belfast | 18 Jul 21 | |
| 997 | 5:02.86 | | | 5:00.81 | | Amelie McCann | U17 | -7 | | Charnwood | Loughborough | 8 Sep 21 | |
| 998 | 5:02.95 | | | 4:49.5 | | Charlotte Firth | V35 | 15 | Conrad Milton | Windsor Slough Eton & Hounslow | Bracknell | 11 Jul 21 | |
| 999 | 5:02.97 | | | 4:52.4 | | Lucy Roberts | U17 | -7 | Mick Woods | Aldershot, Farnham & District | Aldershot | 31 May 21 | |
| 1000 | 5:03.0 | | | 5:03.0 | PB | Claire Jones | | 1 | Jon Ireland | Harrogate | York | 1 Aug 21 | |
| 1000 | 5:03.0 | | | 4:55.48 | | Madeleine Jacks | U17 | -7 | | Rugby & Northampton | Rugby | 5 Sep 21 | |
| 1002 | 5:03.03 | | | 5:03.03 | PB | Molly-May Mooney-Clarke | U15 | -8 | Andy Frankish | Blackheath & Bromley | Ashford | 12 Jun 21 | |
| 1003 | 5:03.05 | | | 4:46.2 | | Sarah Howard | | 12 | Anthony Clarke | Liverpool H | Stretford | 1 Jun 21 | |
| 1004 | 5:03.1 | | | 5:03.1 | PB | Willow Baker | U17 | -7 | | Harrogate | Cleckheaton | 19 Jun 21 | |
| 1004 | 5:03.1 | | | 4:39.53 | | Maddie Elliott | U23 | -2 | Edmund Finucane | Blackburn | Stretford | 1 Aug 21 | |
| 1006 | 5:03.13 | | | 4:34.47 | | Esme Heavey | U15 | -9 | | Warrington AC | Stretford | 29 Jun 21 | |
| 1007 | 5:03.17 | | | 4:58.45 | | Madeleine Casey | U20 | -6 | David Wilkinson | Thames Valley | Stevenage | 25 Jul 21 | |
| 1008 | 5:03.20 | | | 5:03.20 | PB | Juliet Parson | U17 | -8 | | Thames Valley | Battersea Park | 12 Jun 21 | |
| 1009 | 5:03.24 | | | 4:44.81 | | Liberty Whyte | U17 | -8 | | Blackheath & Bromley | Bromley | 11 Sep 21 | |
| 1010 | 5:03.27 | | | 5:03.10 | | Mali MacDuff | U15 | -8 | Paul Hill | Cardiff Archers | Newport | 26 Jun 21 | |
| 1011 | 5:03.39 | | | 5:03.39 | PB | Ruth Burns | U17 | -7 | | Ellon | Grangemouth | 30 May 21 | |
| 1012 | 5:03.4 | | | 4:47.93 | | Gabriella Ceccherini | U17 | -7 | | Epsom & Ewell | Kingston | 26 Jun 21 | |
| 1013 | 5:03.41 | | | 4:49.67 | | Daisy Stollery | U13 | -10 | Richard Nation | Chelmsford | Chelmsford | 1 Aug 21 | |
| 1014 | 5:03.43 | | | 4:39.23 | | Graihagh Turner | U13 | -10 | | Penistone | Sheffield | 9 Jun 21 | |
| 1015 | 5:03.47 | | | 5:01.83 | | Maya Mansfield | U17 | -8 | | Trafford | Stretford | 24 Apr 21 | |
| 1016 | 5:03.48 | | | 5:03.48 | PB | Ciara Doherty | U17 | -6 | | Olympian Youth | Belfast | 18 Jul 21 | |
| 1017 | 5:03.5 | | | 5:03.5 | PB | Lauren Coates | U17 | -8 | | Bromsgrove & Redditch | Redditch | 27 May 21 | |
| 1018 | 5:03.56 | | | 5:03.56 | PB | India Blakey | U15 | -9 | James McDonald | Herne Hill | Coulsdon | 8 Sep 21 | |
| 1019 | 5:03.57 | | | 5:03.57 | PB | Skye Mclaughlin | U17 | -6 | | Somerset Schs | Exeter | 29 Jun 21 | |
| 1020 | 5:03.60 | | | 4:48.10 | | Katie Joslyn | U17 | -8 | Lee Cleary-Morgan | North Shields Poly | Jarrow | 21 Jul 21 | |
| 1021 | 5:03.66 | | | 4:37.02 | | Bryony Boyce | U13 | -11 | Mark Gold | Cardiff | Newport | 12 Jun 21 | |
| 1022 | 5:03.7 | | | 5:02.80 | | Katarina Savkovic | U15 | -9 | | City of York | York | 13 Jun 21 | |
| 1023 | 5:03.76 | | | 4:56.68 | | Chiani-Rae Garland | U17 | -8 | Jon Armstrong | Bexley | Woodford | 30 May 21 | |
| 1024 | 5:03.8 | | | 4:50.4 | | Abby Roskilly | | 11 | | Marshall Milton Keynes | Milton Keynes | 23 May 21 | |
| 1024 | 5:03.8 | | | 4:56.10 | | Charlotte Evans | U15 | -9 | Susan Deane | Havering | Grays | 4 Jul 21 | |
| 1026 | 5:03.81 | + | | 5:03.81 | PB | Niamh Thompson | U20 | -5 | Anne Hegvold | Hercules Wimbledon | Wimbledon | 28 Jul 21 | |
| 1027 | 5:03.9 | | | 5:03.9 | PB | Finney Coomber | U15 | -9 | | City of Portsmouth | Portsmouth | 12 Jun 21 | |
| 1028 | 5:04.01 | | | 4:56.45 | | Bronwen Stratton-Thomas | U20 | -4 | | Swansea | Exeter | 25 May 21 | |
| 1029 | 5:04.02 | | | 4:54.09 | | Olivia Russell | U17 | -7 | | Trafford | Stretford | 24 Apr 21 | |
| 1029 | 5:04.02 | | | 5:04.02 | PB | Isabelle Chappell | U15 | -8 | Christopher Voice | Eastbourne | Crawley | 31 Jul 21 | |
| 1031 | 5:04.06 | | | 4:53.50 | | Annabel Young | U17 | -7 | Steve Fury | Medway & Maidstone | Wimbledon | 2 Jun 21 | |
| 1032 | 5:04.1 | | | 4:44.25 | | Rosie Dickety | U15 | -10 | Tim Ash | North Norfolk Harriers | Norwich | 12 Jun 21 | |
| 1032 | 5:04.1 | | | 5:00.4 | | Imogen Sheppard | U23 | -3 | Michael Sheppard | Stratford-upon-Avon | Nuneaton | 20 Jun 21 | |
| 1032 | 5:04.1 | | | 5:04.1 | PB | Birdie Payne | U17 | -7 | | Wimborne | Yeovil | 4 Jul 21 | |
| 1035 | 5:04.15 | | | 4:55.89 | | Emma Randall | | 5 | | Peterborough & Nene Valley | Peterborough | 31 Jul 21 | |
| 1036 | 5:04.19 | | | 4:55.44 | | Mai Davies | U17 | -8 | Kevin Tobin | Swansea | Newport | 26 Jun 21 | |
| 1037 | 5:04.20 | | | 5:02.3 | | Yasmin Nutt | U20 | -4 | Trevor Muxlow | Notts | Loughborough | 19 May 21 | |
| 1038 | 5:04.21 | | | 4:49.45 | | Anna Dalglish | U20 | -5 | | Fife | Aberdeen | 23 May 21 | |
| 1039 | 5:04.23 | | | 4:51.29 | | Clara Higgs | U20 | -4 | Roger Williams | Hillingdon | Harrow | 30 May 21 | |
| 1040 | 5:04.3 | | | 5:04.3 | PB | Edie Clough | U13 | -11 | | Suffolk Schs | Bury St. Edmunds | 15 May 21 | |
| 1040 | 5:04.3 | | | 4:52.81 | | Orla Wright | U13 | -11 | | Herne Hill | Battersea Park | 22 May 21 | |
| 1040 | 5:04.3 | | | 4:52.4 | | Ellie Sakaria | U20 | -4 | | Guildford & Godalming | Guildford | 1 Jun 21 | |
| 1040 | 5:04.3 | | | 4:50.6 | | Rebecca Dilworth | U17 | -8 | Trevor Painter | Macclesfield | Macclesfield | 24 Jul 21 | |
| 1040 | 5:04.3 | | | 5:04.3 | PB | Eliza Hayden | U20 | -6 | David Cripps | West Suffolk | Cambridge | 25 Jul 21 | |
| 1040 | 5:04.3 | | | 5:04.3 | PB | Megan Stenhouse | U20 | -5 | Michael Lewis | Rugby & Northampton | Rugby | 5 Sep 21 | |
| 1046 | 5:04.31 | | | 4:51.60 | | Magdalena Gancheva | U15 | -9 | Shane Smith | Kettering | Kettering | 31 May 21 | |
| 1047 | 5:04.32 | | | 5:00.99 | | Jade Smith T13/F13 | | 6 | David Evans | St. Helens Sutton | Stretford | 24 Apr 21 | |
| 1048 | 5:04.34 | | | 4:55.59 | | Imogen Deakin | U20 | -5 | | St. Mary's Richmond | Lee Valley | 12 Jun 21 | |
| 1049 | 5:04.4 | | | 5:04.4 | PB | Bea Jarvis | U20 | -6 | | Banbury | Horspath | 12 Jun 21 | |
| 1049 | 5:04.4 | | | 4:58.0 | | Caitlin Jones | U17 | -8 | Peter Ryder | Aberdare Valley | Newport | 12 Jun 21 | |
| 1051 | 5:04.44 | | | 4:50.4 | | Yasmin Wilson | | 4 | Eamonn Christie | North Down | Belfast | 28 Aug 21 | |
| 1052 | 5:04.46 | | | 5:00.17 | | Orla Carroll | U15 | -10 | James McDonald | Herne Hill | Eltham | 23 Jun 21 | |
| 1053 | 5:04.49 | | | 4:53.04 | | Isabella Wrightam | U17 | -7 | John Skevington | Wreake & Soar Valley | Nuneaton | 11 Apr 21 | |
| 1053 | 5:04.49 | | | 5:04.49 | PB | Michelle Sandison | V40 | 19 | Anne-Marie Hughes | Springburn | Lerwick | 23 May 21 | |
| 1055 | 5:04.5 | | | 4:53.6 | | Abbie Hine | | 2 | Ian Kennedy | Wimborne | Yeovil | 4 Jul 21 | |
| 1055 | 5:04.5 | | | 4:59.10 | | Ellie Taylor | U20 | -4 | Eddie Cockayne | Birchfield H | Solihull | 11 Jul 21 | |
| 1057 | 5:04.52 | | | 4:51.60 | | Hannah Bowyer | U17 | -7 | David Lowes | Blackhill | Jarrow | 21 Jul 21 | |
| 1058 | 5:04.6 | | | 4:56.71 | | Josie Smith | U23 | -1 | | Bedford & County | Peterborough | 11 Jul 21 | |
| 1059 | 5:04.61 | | | 5:03.98 | | Riona Stockley | U17 | -7 | Stuart Flack | Epsom & Ewell | Bromley | 22 May 21 | |
| 1060 | 5:04.69 | | | 5:03.07 | | Emma Richards | U23 | -3 | Robert Griffiths | Saffron AC | Nuneaton | 4 Jul 21 | |
| 1061 | 5:04.7 | | | 4:53.8 | | Belinda Dow | U23 | -1 | | Cambridge & Coleridge | Oxford | 15 May 21 | |
| 1061 | 5:04.7 | | | 5:01.48 | | Sophie McCallum | U17 | -7 | Richard Nation | Chelmsford | Chelmsford | 11 Jul 21 | |
| 1061 | 5:04.7 | | | 4:59.28 | | Briony Bishop | U23 | -2 | Paul de-Camps | Gloucester | Cheltenham | 11 Jul 21 | |
| 1061 | 5:04.7 | | | 5:04.7 | PB | Zara Girling | U15 | -8 | | Epsom & Ewell | Kingston | 31 Jul 21 | |
| 1065 | 5:04.74 | | | 4:51.01 | | Nicola Mason | U17 | -7 | Duncan Mason | Salford H | Stretford | 3 Apr 21 | |
| 1065 | 5:04.74 | | | 4:43.20 | | Matilda Robertson | U13 | -11 | Mick Woods | Aldershot, Farnham & District | Aldershot | 4 Aug 21 | |
| 1067 | 5:04.84 | | | 5:04.84 | PB | Mia Conduit | U15 | -8 | Robert Pinton | Solihull & Small Heath | Nuneaton | 31 Jul 21 | |
| 1068 | 5:04.87 | | | 5:04.87 | PB | Kiara Corkin | U13 | -10 | | London Heathside | Finsbury Park | 5 Jun 21 | |
| 1069 | 5:04.90 | | | 5:04.90 | PB | Shania King | U23 | -1 | Nigel Reynolds | Dundee Hawkhill | Grangemouth | 15 Aug 21 | |
| 1070 | 5:04.9 | | | 5:00.6 | | Laura Dickinson | U23 | -1 | | Manx | Douglas | 26 Jun 21 | |
| 1070 | 5:04.9 | | | 5:04.9 | PB | Hannah Fernando | | 12 | | Hercules Wimbledon | Kingston | 11 Jul 21 | |
| 1070 | 5:04.9 | | | 4:57.71 | | Amelia Moore | U17 | -6 | | Winchester | Winchester | 25 Jul 21 | |
| 1073 | 5:04.95 | | | 4:56.8 | | Imogen Gray | U15 | -9 | Dave Amey | City of Salisbury | Swindon | 29 May 21 | |
| 1073 | 5:04.95 | | | 5:04.95 | PB | Daisy Allford | U13 | -10 | Dave Ragan | Basingstoke & Mid Hants | Aldershot | 4 Aug 21 | |
| 1075 | 5:04.96 | | | 5:04.96 | PB | Sydney Allen | U20 | -6 | | Shaftesbury Barnet | Hendon | 28 Aug 21 | |
| 1076 | 5:04.99 | | | 4:52.60 | | Sophie Leigh Mcilroy | U20 | -5 | | Skyrac | Cleckheaton | 7 Jul 21 | |
| 1077 | 5:05.00 | | | 4:54.34 | | Katie Mathison | U17 | -7 | Katie Hewison | Chorley ATC | Stretford | 18 May 21 | |
| 1077 | 5:05.00 | | | 4:40.09 | | Jemima Bowen | U17 | -6 | | Guildford & Godalming | Kingston | 31 Jul 21 | |
| 1079 | 5:05.0 | | | 5:05.0 | PB | Philippa Taylor | U15 | -9 | | Bromsgrove & Redditch | Stourport | 3 Jul 21 | |
| 1079 | 5:05.0 | | | 4:46.33i | | Jennifer Berg | | 10 | | Kent | Erith | 14 Aug 21 | |
| 4:02.48 | | | 3:55.87 | | Ciara Mageean | | 7 | Steve Vernon | City of Lisburn | Monaco, MON | 9 Jul 21 | |
| 4:08.75 | | | 4:08.75 | PB | Georgie Hartigan | | 3 | Bev Hartigan | Birchfield H | Wormwoods Scrubs | 7 Jul 21 | |
| 4:14.73 | + | | 4:14.73 | PB | Roisin Flanagan | | 2 | | Omagh | Wimbledon | 28 Jul 21 | |
| 4:15.27 | | | 4:13.27 | | Louise Shanahan | | 2 | Philip O'Dell | Leevale IRL | Birmingham (U) | 21 Apr 21 | |
| 4:15.80 | i | | 4:15.80i | PB | Jip Vastenburg | | 5 | | Stockport | Sportcity | 13 Feb 21 | |
| 4:17.47 | | | 4:17.47 | PB | Cheryl Nolan | | 10 | | Hercules Wimbledon | Watford | 11 Aug 21 | |
| 4:20.80 | | | 4:20.80 | PB | Denise Toner | V40 | 21 | Patrick Mcgrath | Clones | Belfast | 29 May 21 | |
| 4:23.05 | | | 4:11.01i | | Anna Silvander | | 6 | Steve Vernon | Stockport | Sportcity | 27 May 21 | |
| 4:23.42 | A | | 4:20.64 | | Eilish Flanagan | | 2 | | Omagh | Pueblo CO, USA | 27 Mar 21 | |
| 4:25.29 | | | 4:10.30 | | Kelly Neely | V40 | 21 | | City of Lisburn | Watford | 12 Jun 21 | |
| 4:27.10 | | | 4:27.10 | PB | Annette Quaid | V40 | 22 | | Unattached | Belfast | 29 May 21 | |
| 4:28.58 | | | 4:26.56 | | Kirsti Foster | U17 | -7 | | Willowfield | Belfast | 29 May 21 | |
| 4:32.56 | | | 4:19.62 | | Niamh Carr | U23 | -3 | Lewis Walker | Ballymena & Antrim | Stretford | 8 May 21 | |
| 4:39.32 | | | 4:38.98 | | Aoife McGreevy | U20 | -4 | | Lagan Valley | Loughborough | 24 Jul 21 | |
| 4:44.89 | + | | 4:44.89 | PB | Katie French | | 13 | | Belgrave | Wimbledon | 28 Jul 21 | |
| 4:48.66 | | | 4:48.66 | PB | Orna McGinley | | 9 | | Belgrave | Portsmouth | 6 Jun 21 | |
| 4:51.87 | | | 4:51.87 | PB | Ginte Bailey | V35 | 14 | Patrick Gahagan | Havering | Woodford | 14 Aug 21 | |
| 4:52.05 | | | 4:28.53 | | Katja Blunden | V40 | 20 | Glen Grant | Notts | Sportcity | 3 Jul 21 | |
| 4:58.1 | | | 4:58.1 | PB | Evangelista Divetain | | 7 | | London Heathside | Lee Valley | 11 Sep 21 | |
| 4:58.16 | i | | 4:40.49 | | Merce Sanchez Oller | U20 | -4 | | Edinburgh AC | Emirates Arena | 20 Oct 21 | |
| 4:58.47 | | | 4:58.47 | PB | Sarah Tisdall | | 2 | | Cambridge Uni | Wimbledon | 2 Jun 21 | |