| 300 U17 Women 2019 to 45.5 | Head to Head Top 10 |
| Rank | Perf | | | PB | | Name | | Year | Coach | Club | Venue | Date | |
| 1 | 38.50 | i | | 38.50i | PB | Holly Mpassy | | 2 | Jay Galley | Blackheath & Bromley | Sheffield | 24 Feb 19 |  |
| 39.79 | | | | | | | | | | Sportcity | 8 Sep 19 | |
| 2 | 39.31 | i | | 39.31i | PB | Ashley Nemits | | 1 | Trevor Painter | Warrington AC | Sheffield | 24 Feb 19 | |
| 39.5 | | | | | | | | | | Warrington | 11 May 19 | |
| 40.98 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 3 | 39.34 | | | 36.88i | | Emily Newnham | | 1 | Nick Dakin | Dartford H | Gillingham | 9 Jun 19 | |
| 4 | 39.39 | | | 39.39 | PB | Jenna Breen | | 1 | Joanne Savage | City of Lisburn | Dublin (S), IRL | 22 Jun 19 | |
| 5 | 39.48 | | | 39.48 | PB | Neave McGhee | | 1 | Stephen Carroll | Liverpool H | Liverpool | 17 Aug 19 | |
 UK 10 TARGET: 39.60 |
| 6 | 39.63 | | | 39.63 | PB | Poppy Ellis | | 2 | Tony Benton | Havering | Crawley | 26 May 19 | |
| 7 | 39.72 | | | 39.26 | | Cedelle Agyei-Kyem | | 2 | Andrew Kennard | Walton | Birmingham | 12 Jul 19 | |
| 8 | 39.92 | | | 39.92 | PB | Lucia Gifford-Groves | | 2 | | Thanet AC | Yeovil | 11 May 19 | |
| 9 | 39.98 | i | | 39.98i | PB | Success Eduan | | 1 | Anita Richardson | Sale Harriers Manchester | Sportcity | 15 Dec 19 | |
| 10 | 40.10 | | | 40.10 | PB | Tia Anderson | | 2 | Peter Wileman | Durham | Middlesbrough | 12 May 19 | |
| 11 | 40.19 | i | | 40.19i | PB | Mia Morrisroe | | 1 | Stephen Carroll | Liverpool H | Sheffield | 24 Feb 19 | |
| 40.8 | | | | | | | | | | Preston | 5 May 19 | |
| 12 | 40.25 | | | 39.20 | | Jeslyn Agyei-Kyem | | 1 | Andrew Kennard | Walton | Kingston | 8 Jun 19 | |
| 13 | 40.26 | i | | 40.26i | PB | Joy Eze | | 2 | | Gateshead | Sheffield | 7 Dec 19 | |
| 14 | 40.44 | | | 39.84 | | Madeleine Whapples | | 2 | Everton Caines | Solihull & Small Heath | Birmingham | 28 Apr 19 | |
| 15 | 40.50 | | | 40.46 | | Macey Morris | | 2 | Kevin Williams | Swansea | Neath | 19 May 19 | |
| 16 | 40.5 | | | 40.53/40.5 | PB | Isabelle Skelton | | 1 | Bill Boyd | Sutton-in-Ashfield | Burton | 26 May 19 | |
| 40.53 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 17 | 40.51 | | | 40.51 | PB | Natalie Groves | | 1 | Stuart Hall | Spenborough | Birmingham | 13 Jul 19 | |
| 18 | 40.52 | | | 40.52 | PB | Emma Morris | | 2 | Ken Spencer | Bracknell AC | Birmingham | 13 Jul 19 | |
| 19 | 40.60 | | | 40.60 | PB | Isabel Pinder | | 1 | Rod Finch | Basingstoke & Mid Hants | Portsmouth | 11 May 19 | |
| 20 | 40.66 | | | 40.66 | PB | Nicole Alves | | 2 | Carl Graham | Woodford Green Essex Ladies | Eltham | 26 May 19 | |
| 21 | 40.75 | | | 40.61 | | Isabelle Bloem | | 1 | Charlene Thomas | Halifax | Birmingham | 12 Jul 19 | |
| 22 | 40.76 | i | | 40.63 | | Katie Foss | | 2 | Michael Love | Giffnock North | Emirates Arena | 26 Jan 19 | |
| 40.82 | | | | | | | | | | Aberdeen | 14 Apr 19 | |
| 22 | 40.76 | | | 40.44 | | Holly Murray | | 2 | Joe Frost | Stockport | Loughborough | 6 Apr 19 | |
| 24 | 40.80 | | | 40.80 | PB | Keira Rose | | 1 | Iain Presnell | Tonbridge | Ashford | 12 May 19 | |
| 24 | 40.80 | i | | 40.80i | PB | Sophie Walton | | 2 | Trevor Williams | Horwich | Sportcity | 1 Dec 19 | |
| 26 | 40.81 | | | 40.81 | PB | Justine Smith | | 2 | | Sutton & District | Kingston | 8 Jun 19 | |
| 26 | 40.81 | | | 40.81 | PB | Naomi Palmer | | 2 | Jane Dixon | Shaftesbury Barnet | Hendon | 16 Jun 19 | |
| 26 | 40.81 | | | 40.81 | PB | Layla Zuill | | 1 | Steven Doig | Fife | Scotstoun | 16 Jun 19 | |
| 29 | 40.82 | | | 40.82 | PB | Chloë Sumner | | 2 | | Invicta East Kent | Ashford | 12 May 19 | |
| 30 | 40.92 | | | 40.92 | PB | Jessica Lister | | 2 | David Buckett | Crawley | Crawley | 10 Jul 19 | |
| 31 | 40.97 | | | 40.84/40.7 | | Sacha Didcote | | 2 | Philip Jones | Colwyn Bay | Cardiff | 6 Jul 19 | |
| 32 | 41.0 | | | 39.69 | | Poppy Malik | | 1 | Grant Barker | Notts | Rugby | 26 May 19 | |
| 41.61 | | | | | | | | | | Birmingham | 15 Jun 19 | |
| 32 | 41.0 | | | 41.35i/41.0 | PB | Lily Parris | | 2 | Sarah Stark | Chelmsford | Chelmsford | 2 Jun 19 | |
| 41.35 | i | | | | | | | | | Lee Valley | 3 Feb 19 | |
| 42.49 | | | | | | | | | | Grays | 15 Sep 19 | |
| 32 | 41.0 | | | 38.74 | | Serena Grace | | 2 | Michael Utting | City of Norwich | Peterborough | 4 Aug 19 | |
| 43.12 | | | | | | | | | | Lee Valley | 6 Apr 19 | |
| 35 | 41.2 | | | 41.43/41.2 | PB | Kianna Proctor | | 1 | Andy Bibby | Preston | Sportcity | 26 May 19 | |
| 41.90 | | | | | | | | | | Liverpool | 17 Aug 19 | |
| 35 | 41.2 | | | 41.58i/41.2 | PB | Mali Grant | | 1 | | Havering | Chelmsford | 2 Jun 19 | |
| 41.58 | i | | | | | | | | | Lee Valley | 3 Feb 19 | |
| 41.79 | | | | | | | | | | Bromley | 28 Jul 19 | |
| 37 | 41.23 | | | 41.23 | PB | Erin Bracknell | | 1 | David Buckett | Crawley | Chelmsford | 21 Jul 19 | |
| 38 | 41.25 | | | 41.25 | PB | Ava Taperell | | 1 | Kevin Flannery | Gateshead | Middlesbrough | 12 May 19 | |
| 39 | 41.28 | | | 41.28 | PB | Chloe Kornevall | | 2 | David Leach | Lewes | Crawley | 26 Aug 19 | |
| 40 | 41.29 | | | 41.29 | PB | Laure Kidukula | | 1 | Vicente Modahl | Sale Harriers Manchester | Leigh | 11 May 19 | |
| 40 | 41.29 | | | 41.29 | PB | Millie Wright | | 1 | Craig Castley | Barnsley AC | Middlesbrough | 7 Jul 19 | |
| 42 | 41.30 | | | 41.30 | PB | Megan Hamilton-Strong | | 1 | Richard Derrick | Exeter | Exeter | 15 Jun 19 | |
| 43 | 41.3 | | | 41.36/41.3 | PB | Sophie Anderson | | 1 | Colin Corless | Southend | Chelmsford | 6 Jul 19 | |
| 41.36 | | | | | | | | | | Cambridge | 30 Jun 19 | |
| 44 | 41.40 | i | | 40.80 | | Melissa Coxon | | 2 | Veronica Boden | Rotherham | Sheffield | 23 Feb 19 | |
| 44 | 41.40 | | | 41.40 | PB | Ela Oliver | | 1 | Barry Edwards | Menai | Cardiff | 6 Jul 19 | |
| 46 | 41.4 | | | 40.06 | | Elizabeth Taylor | | 1 | Andy Barber | Peterborough | Cambridge | 11 May 19 | |
| 41.76 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 46 | 41.4 | | | 41.4 | PB | Mia Smith | | 1 | Courtney Clarke | Hillingdon | Guildford | 11 Aug 19 | |
| 48 | 41.45 | i | | 41.45i | PB | Katie Burr | | 1 | David Watson | Victoria Park City of Glasgow | Emirates Arena | 7 Feb 19 | |
| 49 | 41.50 | | | 41.50 | PB | Emma Barclay | | 2 | | Elgin | Grangemouth | 8 Jun 19 | |
| 49 | 41.50 | | | 40.81i | | Aislynn Crichton | | 2 | Paul Allan | Fife | Sportcity | 8 Sep 19 | |
| 51 | 41.5 | | | 41.67i/41.5 | PB | Ariyanna McGee | | 1 | Vespa Ellis | Basildon | Ware | 7 Jul 19 | |
| 41.68 | | | | | | | | | | Eltham | 26 May 19 | |
| 51 | 41.5 | | | 41.55/41.5 | PB | Ella Fryer | | 1 | | St. Mary's Richmond | Croydon | 28 Jul 19 | |
| 41.55 | | | | | | | | | | Lee Valley | 11 May 19 | |
| 53 | 41.51 | | | 41.51 | PB | Harriet Tuson | | 2 | Darren Gauson | Yeovil | Yeovil | 22 Apr 19 | |
| 54 | 41.52 | | | 41.04 | | Shakanya Osahon | | 1 | Jay Galley | Blackheath & Bromley | Bromley | 3 Jun 19 | |
| 55 | 41.57 | | | 41.57 | PB | Jamie Bulbring | | 1 | Tammie Ryder | Tavistock | Exeter | 25 Jun 19 | |
| 56 | 41.58 | | | 40.98i | | Acacia Williams-Hewitt | | 2 | Paul Ttereve | Hallamshire | Hull | 26 May 19 | |
| 57 | 41.60 | | | 41.60 | PB | Scarlett Rolls | | 1 | Vespa Ellis | Basildon | Chelmsford | 11 May 19 | |
| 58 | 41.63 | i | | 38.52i | | Nandy Kihuyu | | 1 | Veronica Boden | Hallamshire | Sheffield | 11 Dec 19 | |
| 59 | 41.65 | | | 41.65 | PB | Kia-Licia Clarkson | | 1 | | Sale Harriers Manchester | Liverpool | 17 Aug 19 | |
| 60 | 41.67 | | | 41.67 | PB | Breanna Selley | | 1 | | Unattached | Treviglio, ITA | 3 Apr 19 | |
| 61 | 41.68 | i | | 41.68i | PB | Leah Keisler | | 2 | Michael Love | Law | Emirates Arena | 5 Jan 19 | |
| 42.63 | | | | | | | | | | Scotstoun | 16 Jun 19 | |
| 62 | 41.70 | | | 41.70 | PB | Katherine McKenzie | | 1 | John Wildman | Woodford Green Essex Ladies | Woodford | 30 Jun 19 | |
| 63 | 41.7 | | | 41.92/41.4 | | Abbie Lovering | | 2 | Paul G Hine | Wimborne | Bournemouth | 11 May 19 | |
| 42.52 | | | | | | | | | | Exeter | 21 Jul 19 | |
| 64 | 41.71 | | | 41.56i | | Gemma Bruce | | 2 | | Ayr Seaforth | Grangemouth | 8 Jun 19 | |
| 65 | 41.74 | | | 41.74 | PB | Hannahlise Bolt | | 1 | | Barry & Vale | Cardiff | 6 Jul 19 | |
| 66 | 41.76 | | | 41.76 | PB | Sophia Davila | | 2 | Everton Caines | Solihull & Small Heath | Birmingham | 12 Jul 19 | |
| 67 | 41.8 | | | 41.92/41.8 | PB | Emily Lands | | 2 | Mike Swift | Newton Abbot | Yeovil | 5 May 19 | |
| 41.92 | | | | | | | | | | Exeter | 2 Jun 19 | |
| 67 | 41.8 | | | 42.19/41.8 | PB | Chloe Griffith-Mcgeever | | 1 | Barry Edwards | Menai | Sportcity | 26 May 19 | |
| 42.19 | | | | | | | | | | Wrexham | 11 May 19 | |
| 67 | 41.8 | | | 42.13/41.8 | PB | Jessica Starling | | 1 | Brian Darby | Coventry | Banbury | 16 Jun 19 | |
| 42.13 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 70 | 41.86 | | | 40.99i | | Rachel Callan | | 2 | | Giffnock North | Carlisle | 26 May 19 | |
| 71 | 41.87 | | | 41.87 | PB | Amelia Spry | | 2 | | City of Portsmouth | Portsmouth | 11 May 19 | |
| 71 | 41.87 | | | 41.87 | PB | Zoe Dake | | 2 | Paul Weston | Croydon | Kingston | 8 Jun 19 | |
| 73 | 41.89 | i | | 40.43 | | Katie Evans | | 1 | Dean Exton | Dorchester | Lee Valley | 1 Dec 19 | |
| 74 | 41.90 | | | 41.08 | | Jodie Martin | | 2 | Bob Schofield | Kingston upon Hull | Middlesbrough | 7 Jul 19 | |
| 75 | 41.9 | | | 41.9 | PB | Olivia Leigh | | 1 | Katie Hewison | Chorley ATC | Preston | 1 Jun 19 | |
| 75 | 41.9 | | | 42.63i/41.8 | | Alissa Darbyshire | | 2 | Peter Crook | Preston | Wigan | 30 Jun 19 | |
| 43.88 | i | | | | | | | | | Sheffield | 12 Jan 19 | |
| 77 | 41.95 | | | 41.95 | PB | Amber Dunkley-Darby | | 2 | | Birchfield H | Sportcity | 8 Sep 19 | |
| 77 | 41.95 | i | | 39.29 | | Grace Pritchard | | 1 | Donald Moss | Wigan & District | Sportcity | 15 Dec 19 | |
| 79 | 41.98 | | | 40.90 | | Heather Macdonald | | 2 | Daniel Njai-Rowney | Blyth | Middlesbrough | 12 May 19 | |
| UK 100 TARGET: 42.00 |
| 80 | 42.0 | | | 42.57/42.0 | PB | Abigael Bamber | | 1 | Michael Dandy | Southport Waterloo | Blackpool | 8 Jun 19 | |
| 42.57 | | | | | | | | | | Liverpool | 17 Aug 19 | |
| 80 | 42.0 | | | 41.3 | | Amelia Verney | | 1 | Zac Kerin | Bournemouth | Bournemouth | 9 Jun 19 | |
| 82 | 42.1 | | | 42.88/42.1 | PB | Marina Semple | | 1 | | Radley | Horspath | 9 Jun 19 | |
| 42.88 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 83 | 42.11 | | | 42.11 | PB | Poppy Herbert | | 2 | | City of Portsmouth | Portsmouth | 11 May 19 | |
| 84 | 42.14 | | | 42.14/41.8 | PB | Maddison Sawyer | | 1 | Mike Botha | Invicta East Kent | Ashford | 12 May 19 | |
| 85 | 42.15 | | | 42.15 | PB | Mia Keogh | | 2 | Keith Geddes | Aberdeen | Inverness | 30 May 19 | |
| 86 | 42.19 | | | 42.19 | PB | Lucy Fraser | | 1 | Alan Erickson | Perth Strathtay | Grangemouth | 11 May 19 | |
| 87 | 42.22 | | | 41.58 | | Katie Dinwoodie | | 2 | Louise Jamieson | Shetland | Lerwick | 16 Jun 19 | |
| 88 | 42.23 | | | 40.95 | | Emily Bowart | | 1 | Iain Presnell | Tonbridge | Ashford | 12 May 19 | |
| 89 | 42.24 | | | 42.24 | PB | Mia O'Hara | | 2 | Paul McKeown | Crawley | Bromley | 28 Jul 19 | |
| 90 | 42.27 | i | | 40.66 | | Emmanuella Quaye | | 1 | Darren Braithwaite | Enfield & Haringey | Lee Valley | 1 Dec 19 | |
| 91 | 42.28 | i | | 41.03 | | Isabel White | | 1 | Lee Walker | Longwood | Sheffield | 7 Dec 19 | |
| 92 | 42.29 | | | 42.29 | PB | Lucy Hunt | | 1 | | Jersey | Portsmouth | 11 May 19 | |
| 93 | 42.3 | | | 42.83/42.3 | PB | Natasha Cookson | | 2 | Christopher Wakeford | Sedbergh | Whitehaven | 8 Jun 19 | |
| 42.83 | | | | | | | | | | Gateshead | 15 Jun 19 | |
| 93 | 42.3 | | | 42.40/42.3 | PB | Olivia James | | 1 | Richard Jackson | Camberley | Aldershot | 3 Aug 19 | |
| 42.43 | | | | | | | | | | Basingstoke | 6 Apr 19 | |
| 93 | 42.3 | | | 42.3 | PB | Abigail Ives | | 1 | Richard Bullis | Basildon | Norwich | 11 Aug 19 | |
| 96 | 42.31 | i | | 41.84 | | Imogen Lewis | | 1 | Linda Nicholson | Lasswade | Emirates Arena | 7 Feb 19 | |
| 42.64 | | | | | | | | | | Grangemouth | 11 May 19 | |
| 96 | 42.31 | | | 42.21/42.2 | | Lucy Atkins | | 1 | Richard Holt | Kingston & Poly | Kingston | 11 May 19 | |
| 96 | 42.31 | | | 42.31 | PB | Bronwyn Mooney | | 1 | | Sheffield & Dearne | Doncaster | 6 Jul 19 | |
| 99 | 42.34 | i | | 42.34i/42.2 | PB | Lucy Giles | | 2 | Alex Giles | Gateshead | Emirates Arena | 26 Jan 19 | |
| 42.53 | | | | | | | | | | Middlesbrough | 12 May 19 | |
| 44.4 | | | | | | | | | | Middlesbrough | 5 May 19 | |
| 100 | 42.35 | | | 42.35 | PB | Funmi Adewole | | 1 | | BFT Track Academy | Parliament Hill | 23 Jun 19 | |
| 101 | 42.4 | | | 43.99/42.4 | PB | Lottie Hinson | | 2 | | Basildon | Ware | 7 Jul 19 | |
| 43.99 | | | | | | | | | | Eltham | 26 May 19 | |
| 102 | 42.44 | | | 40.61 | | Annie Bell | | 2 | | Border | Middlesbrough | 7 Jul 19 | |
| 103 | 42.45 | | | 42.45 | PB | Ellie Loweth | | 1 | | Carmarthen | Cardiff | 6 Jul 19 | |
| 104 | 42.46 | | | 42.46 | PB | Poppy Walters | | 2 | | Woking | Bracknell | 30 Mar 19 | |
| 104 | 42.46 | | | 42.44 | | Rebekah O'Brien | | 2 | | Tonbridge | Tonbridge | 22 Apr 19 | |
| 104 | 42.46 | | | 41.61 | | Alice Brown | | 1 | Tony Benton | Havering | Grays | 15 Sep 19 | |
| 107 | 42.5 | | | 41.98 | | Angelica Oparinde | | 2 | | Derby | Tipton | 5 May 19 | |
| 42.77 | | | | | | | | | | Derby | 12 May 19 | |
| 107 | 42.5 | | | 44.24/42.5 | PB | Nadine Starling | | 2 | Brian Darby | Coventry | Coventry | 3 Jul 19 | |
| 44.24 | | | | | | | | | | Nuneaton | 11 Aug 19 | |
| 109 | 42.51 | i | | 42.51i/42.5 | PB | Olivia Ashdown | | 1 | Joe Frost | Stockport | Sheffield | 23 Feb 19 | |
| 43.4 | | | | | | | | | | Warrington | 11 Aug 19 | |
| 43.59 | | | | | | | | | | Loughborough | 6 Apr 19 | |
| 110 | 42.58 | | | 41.57 | | Molly Swingler | | 2 | Christopher Voice | Eastbourne | Crawley | 11 May 19 | |
| 110 | 42.58 | | | 42.54i | | Hannah Stone | | 1 | Catherine Breslin | Bracknell AC | Reading | 12 May 19 | |
| 110 | 42.58 | | | 42.58 | PB | Lydia Edwards | | 1 | | St. Albans AC | Chelmsford | 21 Jul 19 | |
| 113 | 42.59 | i | | 41.98i | | Sophie Slider | | 2 | Ricky Taylor | Ayr Seaforth | Emirates Arena | 26 Jan 19 | |
| 43.18 | | | | | | | | | | Grangemouth | 8 Jun 19 | |
| 113 | 42.59 | | | 42.59 | PB | Kate Howard | | 1 | | Westbury | Cardiff | 30 Jun 19 | |
| 113 | 42.59 | | | 42.47 | | Alaw Evans | | 2 | Francis Baker | Cardiff Archers | Cardiff | 6 Jul 19 | |
| 116 | 42.60 | | | 42.60/42.5 | PB | Amy Dove | | 2 | Alan Driver | Camberley | Kingston | 8 Jun 19 | |
| 116 | 42.60 | | | 42.60 | PB | Abi Greenslade | | 1 | | Exeter | Exeter | 15 Jun 19 | |
| 118 | 42.6 | | | 42.49/41.9 | | Alicja Gawronski | | 1 | | Nene Valley | Cambridge | 11 May 19 | |
| 44.08 | i | | | | | | | | | Lee Valley | 5 Jan 19 | |
| 119 | 42.61 | | | 42.61 | PB | Holly Fowler | | 1 | Stephen Humberstone | Hallamshire | Cudworth | 11 May 19 | |
| 119 | 42.61 | | | 42.56 | | Lucy Kirby | | 1 | Trevor Simcox | Brighton & Hove | Crawley | 10 Jul 19 | |
| 121 | 42.63 | i | | 42.63i | PB | Karen Mayindu | | 2 | TJ Ossai | BFT Track Academy | Lee Valley | 1 Dec 19 | |
| 122 | 42.64 | | | 42.64/42.6 | PB | Millie French-Harling | | 1 | Lee Walker | Sheffield & Dearne | Liverpool | 17 Aug 19 | |
| 123 | 42.66 | | | 42.66 | PB | Lea Reyna-Faria | | 1 | Ty Holden | Shaftesbury Barnet | Grays | 15 Sep 19 | |
| 124 | 42.67 | | | 42.67 | PB | Bathsheba Kayley | | 2 | | Cheltenham | Exeter | 15 Jun 19 | |
| 125 | 42.68 | | | 42.68 | PB | Aela Stewart | | 2 | Sean Laverty | City of Derry | Antrim | 10 Aug 19 | |
| 126 | 42.70 | | | 42.17 | | Georgia Tombs | | 2 | | Chelmsford | Chelmsford | 11 May 19 | |
| 127 | 42.7 | | | 41.60 | | Leah Proctor | | 2 | | Chesterfield | Spinkhill | 5 May 19 | |
| 42.75 | | | | | | | | | | Middlesbrough | 7 Jul 19 | |
| 127 | 42.7 | | | 42.35i | | Lydia Morris | | 2 | Martin Bullock | Manx | Blackpool | 11 May 19 | |
| 127 | 42.7 | | | 42.89/42.7 | PB | Amelia Proctor | | 1 | | Kingston upon Hull | Scunthorpe | 30 Jun 19 | |
| 42.89 | | | | | | | | | | Middlesbrough | 7 Jul 19 | |
| 130 | 42.71 | | | 42.71 | PB | Chyna Stewart | | 1 | | Herne Hill | Perivale | 26 May 19 | |
| 131 | 42.73 | | | 41.98 | | Niamh Edgar | | 2 | | Edinburgh AC | Grangemouth | 11 May 19 | |
| 131 | 42.73 | | | 42.70i | | Kelsey Pullin | | 1 | Jay Galley | Blackheath & Bromley | Ashford | 12 May 19 | |
| 131 | 42.73 | | | 42.30i | | Caroline MacConnell | | 1 | | Giffnock North | Gothenburg, SWE | 30 Jun 19 | |
| 131 | 42.73 | i | | 41.22 | | Holly Kirkwood | | 1 | John Wilson | Victoria Park City of Glasgow | Emirates Arena | 27 Oct 19 | |
| 135 | 42.75 | i | | 42.20/41.2 | | Zakia Mossi | | 1 | Phillip Kissi | Blackheath & Bromley | Lee Valley | 1 Jan 19 | |
| 135 | 42.75 | | | 42.75 | PB | Rose Chaplin | | 2 | Christopher Voice | Eastbourne | Crawley | 11 May 19 | |
| 135 | 42.75 | i | | 42.38 | | Olivia Brown | | 1 | Norman Poole | Sale Harriers Manchester | Sportcity | 1 Dec 19 | |
| 138 | 42.77 | i | | 42.18 | | Ellie Brown | | 2 | Joseph McDonnell ☘️ | Charnwood | Sheffield | 23 Feb 19 | |
| 139 | 42.78 | i | | 42.78i | PB | Nikita Gotthardt-Mills | | 1 | Paul Gripton | Bromsgrove & Redditch | Sportcity | 10 Mar 19 | |
| 43.0 | | | | | | | | | | Stourport | 7 Apr 19 | |
| 140 | 42.8 | | | 43.31/42.8 | PB | Hannah Smith | | 1 | | Harborough | Banbury | 7 Jul 19 | |
| 43.31 | | | | | | | | | | Nuneaton | 7 Sep 19 | |
| 141 | 42.82 | | | 42.82 | PB | Charlotte Underwood | | 1 | Barry Hearn | Marshall Milton Keynes | Chelmsford | 21 Jul 19 | |
| 142 | 42.83 | i | | 42.83i | PB | Becky Richards | | 2 | Brian Hopkins | Orion | Lee Valley | 3 Feb 19 | |
| 143 | 42.84 | | | 42.53i/41.5 | | Angel Gediz | | 2 | | Bexley | Gillingham | 5 May 19 | |
| 144 | 42.85 | | | 42.85 | PB | Yasmin Palmer | | 2 | Jane Dixon | Shaftesbury Barnet | Luton | 6 Apr 19 | |
| 144 | 42.85 | | | 42.85 | PB | Evie Wild | | 2 | Andrew Mihranian | Stockport | Leigh | 11 May 19 | |
| 144 | 42.85 | i | | 42.85i | PB | Lucy Robinson | | 2 | Joe Frost | Stockport T&F | Sportcity | 15 Dec 19 | |
| 147 | 42.90 | i | | 42.90i | PB | Adedoyin Adeyanju | | 2 | | Harrow | Lee Valley | 17 Mar 19 | |
| 43.07 | | | | | | | | | | Harrow | 5 May 19 | |
| 148 | 42.9 | | | 43.38/41.1 | | Lauren Fall | | 2 | Eric Cartwright | Telford AC | Tipton | 7 Apr 19 | |
| 43.62 | i | | | | | | | | | Lee Valley | 5 Jan 19 | |
| 148 | 42.9 | | | 42.12 | | Susannah Lecoutre | | 1 | Andy Coley-Maud | Guildford & Godalming | Ewell | 22 Apr 19 | |
| 148 | 42.9 | | | 43.80/42.9 | PB | Jorja Hope | | 2 | | Birchfield H | Rugby | 26 May 19 | |
| 43.80 | | | | | | | | | | Birmingham | 5 May 19 | |
| 148 | 42.9 | | | 40.91 | | Poppy Glasby-Seddon | | 2 | Anita Richardson | Sale Harriers Manchester | Sportcity | 26 May 19 | |
| 148 | 42.9 | | | 42.96/42.9 | PB | Olivia Perry | | 1 | | Southampton | Portsmouth | 8 Jun 19 | |
| 42.96 | | | | | | | | | | Portsmouth | 11 May 19 | |
| 153 | 42.91 | | | 42.91 | PB | Rosie Hughes | | 1 | Janice Lawton | Gateshead | Middlesbrough | 12 May 19 | |
| 153 | 42.91 | | | 42.91 | PB | Felicity Townend | | 2 | | Cheltenham | Exeter | 15 Jun 19 | |
| 155 | 42.95 | | | 42.95 | PB | Chloe Cheyne | | 2 | Dianne Chisholm | Inverness | Inverness | 11 May 19 | |
| 156 | 43.00 | | | 43.00 | PB | Kyra Sethna-McIntosh | | 1 | | Croydon | Perivale | 26 May 19 | |
| 157 | 43.0 | | | 41.78 | | Maya Curry | | 2 | Anita Richardson | Sale Harriers Manchester | Preston | 5 May 19 | |
| 157 | 43.0 | | | 42.77i | | Sarah-Jane Ollis | | 2 | Mike Bennett | Worcester | Cheltenham | 6 May 19 | |
| 157 | 43.0 | | | 43.56/43.0 | PB | Ashleigh Sidney | | 1 | | Vale of Aylesbury | Croydon | 28 Jul 19 | |
| 43.56 | | | | | | | | | | Perivale | 26 May 19 | |
| 160 | 43.06 | | | 42.94i | | Emmanuella Kone | | 2 | Helen Patricia James | Cardiff | Yate | 28 Jul 19 | |
| 161 | 43.1 | | | 42.88/42.6 | | Emma Horsey | | 2 | Andrew Kennard | Walton | Walton | 5 May 19 | |
| 161 | 43.1 | | | 42.72 | | Lucy Perkins | | 2 | | Vale of Aylesbury | Horspath | 11 May 19 | |
| 161 | 43.1 | | | 43.1 | PB | Sophie Rushmere | | 1 | | Great Yarmouth | Norwich | 11 May 19 | |
| 161 | 43.1 | | | 43.25/43.1 | PB | Femke Rosbergen | | 2 | David Pring | City of Norwich | Norwich | 11 May 19 | |
| 43.25 | | | | | | | | | | Gillingham | 9 Jun 19 | |
| 161 | 43.1 | | | 43.35/42.9 | | Jasmine Ferguson | | 1 | | Bedford & County | Hemel Hempstead | 2 Jun 19 | |
| 43.35 | | | | | | | | | | Luton | 6 Apr 19 | |
| 166 | 43.11 | i | | 41.44 | | Therese Tolan | | 1 | Charlene Thomas | Harrogate | Sportcity | 15 Dec 19 | |
| 167 | 43.12 | | | 43.12 | PB | Leonie Bottomley | | 2 | | Bridgnorth | Birmingham | 15 Jun 19 | |
| 168 | 43.13 | i | | 42.70 | | Stephanie Jones | | 1 | Joe Frost | Stockport T&F | Sportcity | 1 Dec 19 | |
| 169 | 43.14 | | | 43.14 | PB | Jessica Lake | | 2 | Stefan Wilcockson | Mansfield | Derby | 12 May 19 | |
| 170 | 43.15 | | | 43.15 | PB | Nicola Farmer | | 1 | Alan Hill | Springburn | East Kilbride | 2 Jun 19 | |
| 171 | 43.16 | | | 43.16 | PB | Jessica O'Flaherty | | 2 | Kim Milnthorpe | Horsham Blue Star | Crawley | 8 Jun 19 | |
| 171 | 43.16 | i | | 39.59i | | Stephanie Brooks | | 2 | Martin Fisher | North Somerset | Cardiff | 1 Dec 19 | |
| 43.5 | | | | | | | | | | Hereford | 5 May 19 | |
| 44.13 | | | | | | | | | | Aberdare | 26 May 19 | |
| 173 | 43.18 | | | 43.18 | PB | Tayla James | | 2 | | Tavistock | Exeter | 26 May 19 | |
| 174 | 43.20 | | | 43.20 | PB | Chloe Eames | | 2 | Dwayne Stoddart | Reading AC | Bracknell | 30 Mar 19 | |
| 174 | 43.20 | | | 43.20 | PB | Amber Williams | | 2 | | Neath | Neath | 19 May 19 | |
| 174 | 43.20 | | | 43.20/43.1 | PB | Amelia Hucks | | 1 | | Menai | Wrexham | 16 Jun 19 | |
| 177 | 43.2 | | | 46.10/42.5 | | Zoe Hunter | | 1 | Edward Gregorczyk | Leeds City | Middlesbrough | 5 May 19 | |
| 177 | 43.2 | | | 43.31/42.8 | | Abigail Earnshaw | | 1 | | Preston | Preston | 1 Jun 19 | |
| 179 | 43.21 | | | 43.21 | PB | Zara Tyas | | 2 | Ian Hill | Holmfirth | Cleckheaton | 14 Apr 19 | |
| 180 | 43.22 | | | 43.22/42.9 | PB | Christie Allen | | 1 | Duncan Mason | Salford H | Stretford | 30 Jun 19 | |
| 180 | 43.22 | | | 43.22 | PB | Emily Plimmer | | 1 | | Wakefield | Wakefield | 14 Sep 19 | |
| 182 | 43.23 | | | 43.23 | PB | Zoe Johnson | | 2 | | Basingstoke & Mid Hants | Portsmouth | 11 May 19 | |
| 182 | 43.23 | | | 42.98 | | Megan Briggs | | 2 | | North Down | Antrim | 10 Aug 19 | |
| 184 | 43.28 | | | 43.28 | PB | Emily Swain | | 1 | Sally Stevens | Hertford & Ware | Hemel Hempstead | 8 Jun 19 | |
| 185 | 43.29 | i | | 42.81i | | Emma Ibbotson | | 1 | Charlene Thomas | Harrogate | Sportcity | 15 Dec 19 | |
| 186 | 43.30 | | | 43.30/43.0 | PB | Ciara Alexander | | 2 | | Taunton | Yeovil | 11 May 19 | |
| 186 | 43.30 | | | 40.29i | | Catherine Reynolds | | 1 | Martin Cook | Stratford-upon-Avon | Birmingham | 15 Jun 19 | |
| 186 | 43.30 | | | 43.30 | PB | Beth Turton | | 1 | | St. Mary's Richmond | Guildford | 30 Jun 19 | |
| 189 | 43.3 | | | 43.47/43.3 | PB | Amber Threlfall | | 1 | | Birchfield H | Rugby | 26 May 19 | |
| 43.77 | | | | | | | | | | Birmingham | 19 Jun 19 | |
| 189 | 43.3 | | | 44.57/43.3 | PB | Megan Burge | | 1 | James Wright | Rugby & Northampton | Rugby | 26 May 19 | |
| 189 | 43.3 | | | 44.93/43.3 | PB | Nicola Waite | | 1 | | Victoria Park City of Glasgow | Scotstoun | 2 Jun 19 | |
| 44.93 | | | | | | | | | | Aberdeen | 14 Apr 19 | |
| 189 | 43.3 | | | 44.27/43.3 | PB | Sydney Foley | | 1 | Russell Middleton | Havering | Braintree | 7 Jul 19 | |
| 189 | 43.3 | | | 44.48/43.3 | PB | Emeline Brown | | 1 | | St. Albans AC | Ware | 7 Jul 19 | |
| 189 | 43.3 | | | 44.41/43.3 | PB | Caitlin Minns | | 1 | | Darlington H | Middlesbrough | 20 Jul 19 | |
| 44.41 | | | | | | | | | | Middlesbrough | 7 Apr 19 | |
| 195 | 43.31 | | | 43.31 | PB | Eliz O'Donnell | | 1 | Iain Presnell | Tonbridge | Ashford | 12 May 19 | |
| 196 | 43.32 | | | 43.32 | PB | Emily Burch | | 2 | | Guildford & Godalming | Perivale | 26 May 19 | |
| 196 | 43.32 | | | 43.32 | PB | Heidi Taylor | | 1 | Mark Pauley | Poole AC | Exeter | 2 Jun 19 | |
| 198 | 43.33 | | | 43.33/43.0 | PB | Lily Saxon | | 1 | Stuart Albutt | Solihull & Small Heath | Milton Keynes | 30 Jun 19 | |
| 199 | 43.34 | | | 43.34 | PB | Issy McGrugan | | 2 | Jenny Mcguckian | Ballymena & Antrim | Antrim | 27 Apr 19 | |
| 200 | 43.39 | | | 42.91 | | Mia Liddell | | 1 | Geoffrey Fenwick | Gateshead | Middlesbrough | 12 May 19 | |
| 201 | 43.40 | i | | 43.40i | PB | Amanda Ofori-Amoako | | 2 | | Saffron AC | Sheffield | 7 Dec 19 | |
| 44.7 | | | | | | | | | | Tipton | 5 May 19 | |
| 202 | 43.4 | | | 44.65/43.4 | PB | Ella Robinson | | 2 | Denise Korkmaz | Huntingdonshire | Luton | 23 Jun 19 | |
| 44.65 | | | | | | | | | | Peterborough | 7 Apr 19 | |
| 202 | 43.4 | | | 45.36/43.4 | PB | Clare Hudson | | 1 | | Stevenage & North Herts | Stevenage | 7 Jul 19 | |
| 45.36 | | | | | | | | | | Stevenage | 8 Sep 19 | |
| 202 | 43.4 | | | 42.19 | | Amber DuVerney | | 2 | Jacqui Agyepong | Shaftesbury Barnet | Stevenage | 7 Jul 19 | |
| 43.84 | | | | | | | | | | Parliament Hill | 23 Jun 19 | |
| 202 | 43.4 | | | 43.4 | PB | Indienne King | | 1 | John Skevington | Wreake & Soar Valley | Stourport | 7 Jul 19 | |
| 202 | 43.4 | | | 43.4 | PB | Hope Seme | | 1 | | City of Norwich | Braintree | 21 Jul 19 | |
| 207 | 43.41 | | | 42.52i | | Grace Brennan | | 1 | | Team East Lothian | Carlisle | 5 May 19 | |
| 208 | 43.43 | | | 43.43 | PB | Ellie Odlin | | 2 | | Nene Valley | Wakefield | 14 Sep 19 | |
| 209 | 43.44 | | | 43.44 | PB | Heidi Stillwell | | 1 | | Mendip | Sportcity | 8 Sep 19 | |
| 210 | 43.47 | | | 42.07 | | Alana Lea | | 1 | Gwyn Jones | Cardiff | Exeter | 26 May 19 | |
| 211 | 43.48 | | | 42.60 | | Beth Aitken | | 2 | Paul Allan | Pitreavie | Carlisle | 26 May 19 | |
| 211 | 43.48 | | | 41.93 | | Amy Kirkpatrick | | 1 | Michael Wright | Victoria Park City of Glasgow | Grangemouth | 21 Jul 19 | |
| 213 | 43.50 | | | 43.50 | PB | Vanessa Osagie | | 1 | | Thurrock | Grays | 15 Sep 19 | |
| 214 | 43.5 | | | 44.32i/43.1 | | Ruby Spencer | | 1 | Joe Frost | Macclesfield | Blackpool | 23 Mar 19 | |
| 214 | 43.5 | | | 43.69/43.5 | PB | Fenella Downes | | 2 | | Rugby & Northampton | Rugby | 26 May 19 | |
| 43.94 | | | | | | | | | | Yate | 28 Jul 19 | |
| 216 | 43.51 | i | | 43.36i | | Amelia Briggs-Goode | | 1 | Cameron Sealy | Notts | Birmingham | 17 Feb 19 | |
| 217 | 43.52 | | | 43.52 | PB | Delphine Lehrfreund | | 1 | | Stevenage & North Herts | Hemel Hempstead | 8 Jun 19 | |
| 218 | 43.53 | | | 43.53 | PB | Lucy Loades | | 1 | Andrew Hughes | Bracknell AC | Reading | 12 May 19 | |
| 218 | 43.53 | i | | 42.73 | | Lauren Etchells | | 2 | Peter Wileman | Durham | Sportcity | 1 Dec 19 | |
| 43.77 | | | | | | | | | | Hexham | 20 Jul 19 | |
| 44.1 | | | | | | | | | | Middlesbrough | 17 Jun 19 | |
| 220 | 43.54 | i | | 43.11 | | Lexie Bull | | 1 | Christopher Brown | Stroud | Cardiff | 1 Dec 19 | |
| 220 | 43.54 | i | | 43.08i | | Keira Brady-Jones | | 1 | Sarah Kearney | Wirral | Sportcity | 15 Dec 19 | |
| 222 | 43.55 | | | 43.55 | PB | Matilda Grierson | | 1 | | Gateshead | Middlesbrough | 12 May 19 | |
| 222 | 43.55 | | | 43.55 | PB | Holly Bates | | 1 | | Coventry | Banbury | 28 Jul 19 | |
| 224 | 43.58 | i | | 43.25i | | Alexandra Cathie | | 1 | Thomas Graham | Whitemoss | Emirates Arena | 1 Dec 19 | |
| 225 | 43.59 | | | 43.59 | PB | Niamh Gillies | | 2 | Thomas Graham | Whitemoss | Grangemouth | 1 May 19 | |
| 225 | 43.59 | | | 43.59 | PB | Niamh Jones | | 2 | | Swansea | Wrexham | 16 Jun 19 | |
| 227 | 43.60 | | | 43.01 | | Hannah Little | | 2 | | Edinburgh AC | Carlisle | 5 May 19 | |
| 227 | 43.60 | | | 43.60 | PB | Gina Speakman | | 1 | | Halifax | Cleckheaton | 28 Jul 19 | |
| 229 | 43.6 | | | 44.38i/43.6 | PB | Olivia Harwood | | 1 | | Forest of Dean AC | Yate | 11 Aug 19 | |
| 230 | 43.61 | | | 43.15 | | Ruby Bell | | 1 | Trevor Painter | Sale Harriers Manchester | Leigh | 11 May 19 | |
| 230 | 43.61 | | | 43.61 | PB | Emily Corker | | 1 | | City of Portsmouth | Portsmouth | 11 May 19 | |
| 232 | 43.62 | | | 43.62 | PB | Billie Rouse | | 1 | Sarah Kenyon | Medway & Maidstone | Gillingham | 1 Sep 19 | |
| 233 | 43.64 | i | | 42.10 | | Isabella Merritt | | 1 | Trevor Williams | Horwich | Sportcity | 1 Dec 19 | |
| 234 | 43.66 | | | 43.66 | PB | Georgia Corcoran | | 1 | | Silson | Birmingham | 15 Jun 19 | |
| 235 | 43.67 | i | | 42.00 | | Antonia Dawes | | 1 | Darryn McAtee | Newport H | Cardiff | 27 Jan 19 | |
| 44.43 | | | | | | | | | | Yeovil | 8 Sep 19 | |
| 235 | 43.67 | | | 42.56i | | Iona Esslemont | | 2 | Nigel Reynolds | Dundee Hawkhill | Scotstoun | 16 Jun 19 | |
| 235 | 43.67 | | | 43.67 | PB | Amelie Attenborough | | 1 | | Guildford & Godalming | Guildford | 30 Jun 19 | |
| 235 | 43.67 | | | 43.67 | PB | Anna Basford | | 1 | | Longwood | Cleckheaton | 28 Jul 19 | |
| 239 | 43.68 | i | | 42.73i | | Daisy Worthington | | 2 | Matt Cullen | Bury | Sheffield | 12 Jan 19 | |
| 240 | 43.69 | | | 43.69 | PB | Eden Williams | | 1 | Helen Patricia James | Cardiff | Cardiff | 19 Jun 19 | |
| 241 | 43.70 | | | 43.70 | PB | Hannah Anderson | | 2 | | East Kilbride | Kilmarnock | 11 Jun 19 | |
| 241 | 43.70 | | | 43.70/43.2 | PB | Jemima Bestley | | 1 | Eddison Williams | Ipswich | Bedford | 15 Sep 19 | |
| 241 | 43.70 | i | | 39.31 | | Sofia Vidak | | 1 | | Falkirk | Emirates Arena | 1 Dec 19 | |
| 244 | 43.7 | | | 44.15i/43.7 | PB | Hannah Lownsbrough | | 1 | Paul Gripton | Bromsgrove & Redditch | Kettering | 2 Jun 19 | |
| 44.22 | | | | | | | | | | Birmingham | 15 Jun 19 | |
| 244 | 43.7 | | | 44.56/43.7 | PB | Abbie Hall | | 1 | James Wright | Rugby & Northampton | Kettering | 2 Jun 19 | |
| 244 | 43.7 | | | 44.46i/43.5 | | Lela Bendris | | 2 | Peter Crook | Preston | Blackpool | 8 Jun 19 | |
| 45.03 | i | | | | | | | | | Sheffield | 12 Jan 19 | |
| 244 | 43.7 | | | 43.81/43.7 | PB | Robyn Greenway | | 2 | Joanna Evans | Cleethorpes | Cleckheaton | 23 Jun 19 | |
| 44.59 | | | | | | | | | | Grimsby | 27 May 19 | |
| 244 | 43.7 | | | 43.00 | | Tabitha Proudley | | 1 | Katy Odell | Southampton | Southampton | 24 Jul 19 | |
| 244 | 43.7 | | | 48.14/43.7 | PB | Kyra Boyce | | 2 | | Woodford Green Essex Ladies | Ashford | 28 Jul 19 | |
| 250 | 43.71 | | | 42.48 | | Rebecca Squires | | 1 | Philip Long | Exeter | Exeter | 21 Jul 19 | |
| 251 | 43.72 | | | 42.89 | | Abigail Walters | | 2 | Steven Munday | Medway & Maidstone | Ashford | 12 May 19 | |
| 252 | 43.8 | | | 43.97/43.8 | PB | Tia Neill | | 1 | Peter Wareing | Southampton | Southampton | 20 Apr 19 | |
| 43.97 | | | | | | | | | | Portsmouth | 11 May 19 | |
| 252 | 43.8 | | | 43.8 | PB | India Boyd | | 1 | | Wiltshire Schs | Basingstoke | 5 Jun 19 | |
| 252 | 43.8 | | | 44.30/43.8 | PB | Georgia Eversden | | 1 | | Rugby & Northampton | Loughborough | 30 Jun 19 | |
| 44.30 | | | | | | | | | | Yate | 28 Jul 19 | |
| 255 | 43.81 | | | 43.81 | PB | Gemma MacRitchie | | 1 | | Stornoway | Grangemouth | 17 Aug 19 | |
| 256 | 43.83 | | | 43.10 | | Zoe Rixson | | 2 | | Basildon | Chelmsford | 11 May 19 | |
| 256 | 43.83 | | | 43.83 | PB | Iona Melrose | | 1 | | Swansea | Wrexham | 16 Jun 19 | |
| 258 | 43.84 | | | 43.61/43.3 | | Rosana Ercilla | | 2 | Paul Herrington | Reading AC | Reading | 12 May 19 | |
| 258 | 43.84 | | | 43.84 | PB | Ruby Hancox | | 1 | Stephen O'Brien | Telford AC | Loughborough | 29 Jul 19 | |
| 260 | 43.85 | i | | 42.39 | | Isabelle Harding | | 1 | Jacob Burton | Invicta East Kent | Lee Valley | 17 Mar 19 | |
| 44.41 | | | | | | | | | | Tonbridge | 22 Apr 19 | |
| 261 | 43.86 | | | 42.09i | | Olivia Fowler | | 1 | Alexander Wort | Crewe & Nantwich | Nottingham | 31 Mar 19 | |
| 261 | 43.86 | | | 43.86 | PB | Olivia Bonshor | | 1 | Roger Francks | Charnwood | Banbury | 28 Jul 19 | |
| 263 | 43.87 | i | | 43.33 | | Esther Hulley | | 1 | Andrew Mihranian | Stockport | Sportcity | 10 Mar 19 | |
| 263 | 43.87 | i | | 43.63 | | Olivia Berry | | 1 | Andy Frankish | Blackheath & Bromley | Lee Valley | 17 Mar 19 | |
| 265 | 43.88 | | | 43.84 | | Leah Cameron | | 2 | Janice Hendrie | Inverclyde | Kilmarnock | 11 May 19 | |
| 266 | 43.9 | | | 43.91i/43.9 | PB | Jorja Webb | | 1 | Mark Wanklyn | Cheltenham | Stourport | 7 Apr 19 | |
| 43.91 | i | | | | | | | | | Birmingham | 17 Feb 19 | |
| 267 | 43.92 | | | 43.92 | PB | Cara Laverty | | 1 | Sean Laverty | City of Derry | Antrim | 10 Aug 19 | |
| 267 | 43.92 | i | | 43.92i | PB | Molly Cornes | | 2 | Kenneth Pearson | Central | Emirates Arena | 27 Oct 19 | |
| 43.93 | | | | | | | | | | Carlisle | 5 May 19 | |
| 269 | 43.95 | | | 43.95 | PB | Alanah Thoresby | | 2 | Dean Lewis | Kingston upon Hull | Hull | 26 May 19 | |
| 270 | 43.97 | | | 43.97 | PB | Nell Tolley | | 1 | | Hallamshire | Derby | 12 May 19 | |
| 271 | 43.99 | i | | 42.11 | | Shona McLay | | 2 | | Central | Emirates Arena | 26 Jan 19 | |
| 271 | 43.99 | i | | 43.99i | PB | Flavia Jenkins | | 2 | | Pembrokeshire | Cardiff | 27 Jan 19 | |
| 44.0 | | | | | | | | | | Bath | 26 Jun 19 | |
| 273 | 44.00 | | | 44.00 | PB | Amy Hughes | | 1 | | Crawley | Crawley | 20 Apr 19 | |
| 274 | 44.0 | | | 42.8 | | Eleesha Charnley | | 1 | | Blackburn | Hyndburn | 4 May 19 | |
| 274 | 44.0 | | | 45.07/44.0 | PB | Flo Brill | | 1 | Russell Prosser | Nene Valley | Ware | 2 Jun 19 | |
| 45.07 | | | | | | | | | | Peterborough | 7 Apr 19 | |
| 274 | 44.0 | | | 44.07/44.0 | PB | Olivia Pawson | | 2 | John Dill | Swindon | Cheltenham | 8 Jun 19 | |
| 44.07 | | | | | | | | | | Exeter | 15 Jun 19 | |
| 274 | 44.0 | | | 44.0 | PB | Francesca Foglia-Pearshouse | | 1 | | City of Norwich | Great Yarmouth | 23 Jun 19 | |
| 274 | 44.0 | | | 46.41/43.8 | | Jessica Norkett | | 2 | | Thetford | Cambridge | 4 Aug 19 | |
| 274 | 44.0 | | | 43.24/42.0 | | Meg Willis | | 1 | David Pring | City of Norwich | Peterborough | 4 Aug 19 | |
| 44.18 | i | | | | | | | | | Lee Valley | 5 Jan 19 | |
| 274 | 44.0 | | | 44.0 | PB | Hannah Sahota | | 2 | Deirdre Elmhirst | Worcester | Worcester | 8 Aug 19 | |
| 281 | 44.02 | | | 44.02 | PB | Emma Penney | | 1 | | City of Portsmouth | Portsmouth | 11 May 19 | |
| 282 | 44.03 | | | 44.03/44.0 | PB | Emily Colyer | | 2 | | Hillingdon | Lee Valley | 11 May 19 | |
| 283 | 44.05 | | | 44.05 | PB | Olivia Roe | | 1 | Paul Wilson | Wakefield | York | 25 May 19 | |
| 283 | 44.05 | | | 44.05 | PB | Ella Beswick | | 1 | | Winchester | Kingston | 8 Jun 19 | |
| 285 | 44.08 | i | | 44.08i | PB | Molly Fletcher | | 2 | | Peterborough | Lee Valley | 3 Feb 19 | |
| 44.1 | | | | | | | | | | Peterborough | 14 Apr 19 | |
| 285 | 44.08 | i | | 44.08i | PB | Susanne Anderson | | 1 | | Edinburgh AC | Emirates Arena | 16 Mar 19 | |
| 44.63 | | | | | | | | | | Scotstoun | 16 Jun 19 | |
| 285 | 44.08 | | | 44.08 | PB | Sian Dale | | 2 | | City of Stoke | Banbury | 28 Jul 19 | |
| 288 | 44.1 | | | 44.1 | PB | Amy Carr | | 1 | | Carlisle Aspatria | Whitehaven | 8 Jun 19 | |
| 288 | 44.1 | | | 43.57 | | Saffron Moore | | 2 | Alex Budd | City of Portsmouth | Bournemouth | 30 Jun 19 | |
| 288 | 44.1 | | | 45.34/44.1 | PB | Rosie Cale | | 2 | | Leamington | Coventry | 3 Jul 19 | |
| 288 | 44.1 | | | 45.72/44.1 | PB | Demi Eves | | 1 | Brenda Stone | Thurrock | St. Albans | 11 Aug 19 | |
| 288 | 44.1 | | | 42.95 | | Skye Turner | | 1 | | Victoria Park City of Glasgow | Grangemouth | 1 Sep 19 | |
| 288 | 44.1 | i | | 43.67/42.8 | | Madelaine Gillis | | 1 | | Middlesbrough (Mandale) | Sheffield | 15 Dec 19 | |
| 294 | 44.11 | | | 43.50/43.1 | | Ayla Hewitt | | 2 | Anita Richardson | Sale Harriers Manchester | Leigh | 11 May 19 | |
| 294 | 44.11 | | | 44.11 | PB | Freya Rose | | 2 | | Exeter | Exeter | 24 Sep 19 | |
| 296 | 44.12 | | | 44.12/43.8 | PB | Emma Simpson | | 2 | Carl Foster | Altrincham | Wakefield | 7 Apr 19 | |
| 297 | 44.17 | | | 43.90 | | Madeleine Casey | | 1 | David Wilkinson | Thames Valley | Perivale | 26 May 19 | |
| 298 | 44.19 | | | 43.27/43.0 | | Laila-Marie Latin | | 2 | | Guildford & Godalming | Perivale | 26 May 19 | |
| 298 | 44.19 | i | | 44.19i | PB | Emily Buckler | | 2 | Mary Baker | Saffron AC | Sheffield | 7 Dec 19 | |
| 300 | 44.20 | | | 43.84 | | Ellen Woodall | | 2 | | Basingstoke & Mid Hants | Basingstoke | 6 Apr 19 | |
| 300 | 44.20 | | | 44.20 | PB | Enya Maylor | | 2 | | Team Bath | Exeter | 26 May 19 | |
| 302 | 44.2 | | | 45.19/44.0 | | Isobel Mullett | | 2 | | Kidderminster & Stourport | Stourport | 7 Apr 19 | |
| 45.19 | | | | | | | | | | Banbury | 28 Jul 19 | |
| 302 | 44.2 | | | 44.81/44.2 | PB | Flora Miskin-Young | | 1 | John Skevington | Wreake & Soar Valley | Kettering | 2 Jun 19 | |
| 302 | 44.2 | | | 44.2 | PB | Georgia Ledingham | | 2 | David Arnott | Corstorphine | Scotstoun | 2 Jun 19 | |
| 302 | 44.2 | | | 44.2 | PB | Clementine Wright | | 1 | | Derbyshire Schs | Derby | 17 Jun 19 | |
| 302 | 44.2 | | | 46.01/44.2 | PB | Lola Pinnock | | 1 | John Smith | Sheffield & Dearne | Wakefield | 20 Jun 19 | |
| 302 | 44.2 | | | 45.52/44.2 | PB | Annie Beckwith | | 1 | Bill Boyd | Corby | Corby | 16 Jul 19 | |
| 302 | 44.2 | | | 45.09/44.2 | PB | Chloe Errington | | 2 | Sara MacDonald-Gray | Southampton | Southampton | 24 Jul 19 | |
| 45.09 | | | | | | | | | | Portsmouth | 11 May 19 | |
| 302 | 44.2 | | | 44.2 | PB | Orla Williams | | 1 | Steve Perkin | Chiltern | Brighton | 28 Jul 19 | |
| 302 | 44.2 | | | 44.80/44.2 | PB | Darci Burns | | 2 | | Airdrie Harriers | Grangemouth | 1 Sep 19 | |
| 311 | 44.21 | | | 44.21 | PB | Soraya Crodden | | 1 | Edward Berry | Longwood | Cleckheaton | 28 Jul 19 | |
| 312 | 44.23 | i | | 44.23i | PB | Libby Turbutt | | 1 | Derek Laws | Ashford AC | Lee Valley | 1 Dec 19 | |
| 313 | 44.24 | i | | 42.49 | | Eloise Longhurst | | 2 | Roy Hayward | Worthing | Lee Valley | 5 Jan 19 | |
| 313 | 44.24 | | | 44.24 | PB | Kara Sharp | | 1 | | Shetland | Aberdeen | 28 Apr 19 | |
| 315 | 44.25 | | | 38.86i | | Shiloh Wright-Taipow | | 1 | | Serpentine | Parliament Hill | 23 Jun 19 | |
| 316 | 44.26 | | | 42.51/42.4 | | Eleanor Milbourn | | 1 | | Hallamshire | Cudworth | 11 May 19 | |
| 317 | 44.27 | i | | 44.27i | PB | Alexandra Akins | | 2 | Brian Holyfield | Birchfield H | Birmingham | 17 Feb 19 | |
| 45.14 | | | | | | | | | | Birmingham (U) | 3 Jul 19 | |
| 317 | 44.27 | | | 43.21 | | Sophie Grant | | 1 | | Orion | Chelmsford | 11 May 19 | |
| 317 | 44.27 | | | 43.88i | | Mairi Darroch | | 2 | | Inverness | Scotstoun | 16 Jun 19 | |
| 317 | 44.27 | | | 43.74 | | Gabrielle Garcia | | 1 | | Swansea | Brecon | 10 Jul 19 | |
| 321 | 44.3 | | | 44.63/44.3 | PB | Jessica Moore | | 1 | | Wolverhampton & Bilston | Rugby | 26 May 19 | |
| 44.63 | | | | | | | | | | Birmingham | 8 Jun 19 | |
| 321 | 44.3 | | | 44.86/44.1 | | Mia Moore | | 1 | | Ryston | Peterborough | 4 Aug 19 | |
| 45.29 | | | | | | | | | | Norwich | 1 May 19 | |
| 321 | 44.3 | | | 45.54i/44.3 | PB | Isobelle Herbert | | 1 | | Gloucester | Yate | 11 Aug 19 | |
| 324 | 44.33 | | | 44.33 | PB | Kaitlyn Auton | | 1 | | Gateshead | Middlesbrough | 12 May 19 | |
| 325 | 44.34 | | | 43.61/42.6 | | Valentina Costa | | 1 | Kyle Bennett | Derby | Derby | 12 May 19 | |
| 326 | 44.37 | i | | 44.37i | PB | Naomi Toft | | 1 | Phillip Kissi | Blackheath & Bromley | Lee Valley | 1 Jan 19 | |
| 327 | 44.39 | | | 44.39 | PB | Katie Robinson | | 2 | Karen Buck | City of York | York | 25 May 19 | |
| 327 | 44.39 | | | 44.39 | PB | Jennifer Palmer | | 2 | Stephen Garnham | Colchester H | Bedford | 15 Sep 19 | |
| 329 | 44.4 | | | 44.87/44.4 | PB | Milda Silekaite | | 1 | | Sutton & District | Ewell | 22 Apr 19 | |
| 44.87 | | | | | | | | | | Crawley | 7 Apr 19 | |
| 329 | 44.4 | | | 45.61/44.4 | PB | Emily Gillespie | | 1 | | Chiltern | Horspath | 11 May 19 | |
| 329 | 44.4 | | | 48.00i/44.4 | PB | Katie Doherty | | 1 | | Liverpool H | Sportcity | 26 May 19 | |
| 329 | 44.4 | | | 44.0 | | Ruby Mace | | 1 | | Havering | Chelmsford | 2 Jun 19 | |
| 329 | 44.4 | | | 45.46i/44.4 | PB | Anna McAlpine | | 1 | | North Ayrshire | Scotstoun | 2 Jun 19 | |
| 45.46 | i | | | | | | | | | Emirates Arena | 27 Jan 19 | |
| 329 | 44.4 | | | 44.12/43.6 | | Amelia Bates | | 1 | Jason Marchant | Dartford H | Erith | 30 Jun 19 | |
| 329 | 44.4 | | | 44.4 | PB | Emma Fidgett | | 2 | | Aldershot, Farnham & District | Horspath | 30 Jun 19 | |
| 329 | 44.4 | | | 45.45/44.4 | PB | Elsie Leiper | | 1 | Deborah Keenleyside | Dacorum | Cambridge | 7 Jul 19 | |
| 329 | 44.4 | | | 46.81/44.4 | PB | Saskia Birt | | 1 | James McDonald | Herne Hill | Guildford | 7 Jul 19 | |
| 329 | 44.4 | | | 44.4 | PB | Valeria Badham | | 1 | | Tonbridge | Ashford | 28 Jul 19 | |
| 329 | 44.4 | | | 44.0 | | Matilda Somerville-Cotton | | 1 | Aidan Bailey | Corby | Corby | 5 Sep 19 | |
| 340 | 44.42 | | | 44.39 | | Phoebe March | | 2 | | City of Portsmouth | Portsmouth | 2 Apr 19 | |
| 340 | 44.42 | | | 44.06i/43.8 | | Mya Ashbourne | | 1 | | Harrow | Hendon | 8 Jun 19 | |
| 340 | 44.42 | | | 44.42 | PB | Ezinwa Ochei-Okpara | | 1 | | Highgate | Parliament Hill | 23 Jun 19 | |
| 340 | 44.42 | i | | 43.38 | | Zara Evans | | 1 | | Carmarthen | Cardiff | 1 Dec 19 | |
| 344 | 44.44 | | | 44.44 | PB | Savannah Storey | | 2 | Peter Anthony Fendley | Worksop | Loughborough | 29 Jul 19 | |
| 344 | 44.44 | | | 44.44 | PB | Jess Daniel | | 2 | Frank Gauld | Aberdeen | Grangemouth | 17 Aug 19 | |
| 346 | 44.45 | | | 44.45 | PB | Isabelle Davies | | 2 | | Marlborough Athletics | Exeter | 15 Jun 19 | |
| 347 | 44.46 | | | 44.09 | | Mia Bates | | 2 | Colin Baross | Team Bath | Exeter | 21 Jul 19 | |
| 348 | 44.47 | i | | 43.74 | | Evie Mason | | 2 | John Smith | Sheffield & Dearne | Sheffield | 12 Jan 19 | |
| 44.7 | | | | | | | | | | Rotherham | 30 Jun 19 | |
| 44.76 | | | | | | | | | | Gateshead | 26 May 19 | |
| 348 | 44.47 | | | 43.38 | | Ellen Pearce | | 2 | | Dorchester | Exeter | 4 Aug 19 | |
| 350 | 44.48 | | | 44.48 | PB | Caitlin Purcell | | 2 | Nichola Crawford | Aberdeen | Aberdeen | 28 Apr 19 | |
| 351 | 44.49 | | | 44.49 | PB | Eniola Ajagbe | | 1 | | Hallamshire | Sheffield | 27 Jun 19 | |
| 351 | 44.49 | i | | 44.49i | PB | Asia Amede Charles | | 1 | Gary Telfer | Thames Valley | Lee Valley | 1 Dec 19 | |
| 353 | 44.50 | | | 44.50/44.1 | PB | Kai Snell | | 1 | | Yeovil | Yeovil | 22 Apr 19 | |
| 353 | 44.50 | | | 44.50 | PB | Tatum Walker | | 1 | Peter Witcomb | Brighton & Hove | Crawley | 11 May 19 | |
| 353 | 44.50 | | | 44.12 | | Hannah Smith | | 1 | John Messum | Deeside AAC | Wrexham | 11 May 19 | |
| 353 | 44.50 | | | 44.50 | PB | Olivia Elliott | | 1 | | Perth Strathtay | Grangemouth | 8 Jun 19 | |
| 357 | 44.5 | | | 44.09 | | Milda Sileikaite | | 1 | | Sutton & District | Walton | 1 Jun 19 | |
| 44.89 | | | | | | | | | | Kingston | 11 May 19 | |
| 357 | 44.5 | | | 44.72/44.5 | PB | Maddy Herbert | | 2 | | Wimborne | Bournemouth | 8 Jun 19 | |
| 44.72 | | | | | | | | | | Exeter | 21 Jul 19 | |
| 359 | 44.51 | | | 44.34 | | Francesca Evered | | 1 | Phillip Kissi | Blackheath & Bromley | Hendon | 30 Jun 19 | |
| 360 | 44.54 | | | 44.54 | PB | Emily Brown | | 1 | | New Marske | Hexham | 18 May 19 | |
| 360 | 44.54 | | | 44.20 | | Lydia Throssell | | 2 | | Holmfirth | Cleckheaton | 28 Jul 19 | |
| 362 | 44.56 | | | 44.40i | | Ellina Connor | | 1 | Andrew Wood | Trafford | Liverpool | 17 Aug 19 | |
| 363 | 44.59 | i | | 43.04 | | Anise Macaulay Orr | | 1 | | Edinburgh AC | Emirates Arena | 1 Dec 19 | |
| 364 | 44.60 | i | | 42.17 | | Maya Marriner | | 1 | Iain Presnell | Tonbridge | Lee Valley | 17 Mar 19 | |
| 364 | 44.60 | | | 44.60/44.2 | PB | Sydney Allen | | 1 | | Shaftesbury Barnet | Parliament Hill | 10 Apr 19 | |
| 366 | 44.6 | | | 44.6 | PB | Emily Eades-Scott | | 1 | Sara MacDonald-Gray | Southampton | Southampton | 20 Apr 19 | |
| 366 | 44.6 | | | 44.89/44.6 | PB | Mhairi Arnott | | 1 | David Arnott | Corstorphine | Scotstoun | 2 Jun 19 | |
| 44.89 | | | | | | | | | | Grangemouth | 1 May 19 | |
| 366 | 44.6 | | | 44.87/44.6 | PB | Cecilia Reid | | 1 | | Blaydon | Hexham | 23 Jun 19 | |
| 366 | 44.6 | | | 44.42/43.3 | | Shanice Thompson | | 1 | | Luton | Braintree | 21 Jul 19 | |
| 44.71 | | | | | | | | | | Hendon | 11 Aug 19 | |
| 366 | 44.6 | | | 44.6 | PB | Choire Lister | | 1 | Christopher Jeffery | Cornwall AC | Carn Brea | 8 Sep 19 | |
| 371 | 44.61 | | | 44.61 | PB | Imogen Tanner | | 1 | Phill Morris | Independent Intelligent Fitness | Swindon | 12 May 19 | |
| 371 | 44.61 | | | 44.61 | PB | Maddie Baldwin-Charles | | 1 | | Eastbourne | Crawley | 8 Jun 19 | |
| 373 | 44.63 | | | 44.63 | PB | Maddie Wilson | | 1 | | Edinburgh AC | Meadowmill | 31 Mar 19 | |
| 374 | 44.66 | | | 44.66 | PB | Sophie Moore | | 1 | | Team Bath | Yate | 28 Jul 19 | |
| 375 | 44.68 | | | 43.97 | | Lucy Crossman | | 2 | Richard Caburn | Taunton | Exeter | 21 Jul 19 | |
| 375 | 44.68 | i | | 43.53 | | Sophie Marshall | | 1 | Stephen Richardson | Retford | Sheffield | 24 Nov 19 | |
| 377 | 44.69 | | | 44.69 | PB | Grace Buckley | | 2 | | Sussex Schs | Crawley | 8 Jun 19 | |
| 378 | 44.70 | | | 41.28i | | Holly Pater | | 1 | Linda Mcgreavy | Leamington | Banbury | 28 Jul 19 | |
| 379 | 44.7 | | | 44.29 | | Louann Lamy | | 2 | | Shaftesbury Barnet | Hemel Hempstead | 2 Jun 19 | |
| 45.49 | | | | | | | | | | Hendon | 16 Jun 19 | |
| 379 | 44.7 | | | 47.32/44.7 | PB | Eleanor Birden | | 1 | | Wakefield | Wakefield | 20 Jun 19 | |
| 379 | 44.7 | | | 44.99i/44.7 | PB | Charlotte Stokes | | 2 | | Warrington AC | Warrington | 11 Aug 19 | |
| 382 | 44.71 | | | 44.71 | PB | Erin Purcell | | 1 | | Stewartry | Kilmarnock | 11 May 19 | |
| 382 | 44.71 | i | | 43.08 | | Isla Brown | | 1 | Alan Hewson | Windsor Slough Eton & Hounslow | Lee Valley | 1 Dec 19 | |
| 384 | 44.72 | | | 43.79 | | Delicia Pascall | | 1 | | Hastings AC | Tonbridge | 22 Apr 19 | |
| 384 | 44.72 | | | 42.97 | | Isabella Fassnidge | | 1 | Andy Poppleton | Tonbridge | Dartford | 24 Jul 19 | |
| 384 | 44.72 | | | 44.72 | PB | Kathleen Mooney | | 1 | | South London | Kingston | 31 Aug 19 | |
| 387 | 44.76 | i | | 44.74 | | Rachel Donnelly | | 2 | Edward McQuillan | Law | Emirates Arena | 12 Jan 19 | |
| 387 | 44.76 | | | 44.12 | | Daniella Harper | | 1 | Jay Galley | Blackheath & Bromley | Reading | 5 May 19 | |
| 389 | 44.77 | | | 44.77/44.7 | PB | Emily Hunter | | 1 | | Hallamshire | Cudworth | 11 May 19 | |
| 389 | 44.77 | i | | 44.77i | PB | Folarera Fasehun | | 1 | Les Hall | Bolton | Sportcity | 15 Dec 19 | |
| 391 | 44.78 | | | 43.67 | | Holly Newham Else | | 2 | | Amber Valley & Erewash | Birmingham | 15 Jun 19 | |
| 392 | 44.79 | | | 44.79 | PB | Alice Atkins | | 1 | | Havering | Chelmsford | 11 May 19 | |
| 392 | 44.79 | | | 44.79 | PB | Brooke Moran | | 1 | | Giffnock North | Gothenburg, SWE | 30 Jun 19 | |
| 394 | 44.8 | | | 42.86 | | Toritse Etuwewe | | 1 | | Derby | Burton | 26 May 19 | |
| 394 | 44.8 | | | 46.81/44.8 | PB | Amelia Loveridge | | 2 | | Harlow AC | Ware | 2 Jun 19 | |
| 394 | 44.8 | | | 44.86/44.8 | PB | India Ibbotson | | 2 | Adrian Clover | Team Bath | Gloucester | 9 Jun 19 | |
| 394 | 44.8 | | | 45.33/44.4 | | Kaytlin Roberts | | 2 | Peter Wareing | Southampton | Bournemouth | 30 Jun 19 | |
| 394 | 44.8 | | | 44.8 | PB | Lucy Spurrier | | 1 | Karin Gray | Winchester | Winchester | 7 Jul 19 | |
| 394 | 44.8 | | | 45.10/44.8 | PB | Isobelle Oppon | | 1 | | Oxford City | Abingdon | 8 Sep 19 | |
| 45.10 | | | | | | | | | | Horspath | 22 May 19 | |
| 400 | 44.81 | | | 44.81 | PB | Jenny Scott | | 1 | | Helensburgh | East Kilbride | 2 Jun 19 | |
| 401 | 44.82 | | | 44.59/43.5 | | Helena Da Costa | | 2 | | Harrogate | Middlesbrough | 28 Apr 19 | |
| 401 | 44.82 | | | 44.82 | PB | Riahnnon Thomason | | 2 | | Shetland | Lerwick | 16 Jun 19 | |
| 403 | 44.83 | | | 44.72 | | Neve Evans | | 1 | | Charnwood | Loughborough | 20 May 19 | |
| 404 | 44.84 | | | 44.84 | PB | Ella Barker | | 2 | Barbara Rodriguez | Woking | Bracknell | 30 Mar 19 | |
| 404 | 44.84 | | | 42.92 | | Skye Marshall | | 2 | Francis Smith | Pitreavie | Grangemouth | 21 Jul 19 | |
| 406 | 44.85 | | | 43.42i | | Lynn Harvey | | 2 | | Pitreavie | Dunfermline | 6 Apr 19 | |
| 406 | 44.85 | | | 44.58i/44.1 | | Jessica Beaton | | 1 | Deborah Keenleyside | Dacorum | Hemel Hempstead | 8 Jun 19 | |
| 408 | 44.86 | | | 44.86 | PB | Libby Sutton | | 2 | | Colchester H | Bedford | 15 Sep 19 | |
| 409 | 44.87 | | | 44.87 | PB | Isla Manning | | 1 | | Dundee Hawkhill | Aberdeen | 28 Apr 19 | |
| 409 | 44.87 | | | 44.87 | PB | Jamie-Leigh White | | 2 | | Windsor Slough Eton & Hounslow | Hendon | 30 Jun 19 | |
| 411 | 44.88 | | | 44.78i | | Erin Grime | | 1 | Ian Grime | Salford H | Carlisle | 5 May 19 | |
| 411 | 44.88 | | | 43.55 | | Katelyn Emily Henry | | 2 | | Deeside AAC | Wrexham | 11 May 19 | |
| 413 | 44.89 | | | 44.64 | | Chloe Love | | 1 | | Scunthorpe & District AC (Defunct) | Grimsby | 8 Jun 19 | |
| 414 | 44.90 | | | 44.90 | PB | Shen Wigfield-Turner | | 1 | Steven Marshall | Hallamshire | Wakefield | 7 Apr 19 | |
| 415 | 44.9 | | | 42.63 | | Sara Diaz de la Fuente | | 1 | Panos Ioannou | Marshall Milton Keynes | Stourport | 5 May 19 | |
| 415 | 44.9 | | | 45.85/44.9 | PB | Catherine Groves | | 1 | Christopher Jeffery | Cornwall AC | Par | 11 May 19 | |
| 415 | 44.9 | | | 44.93/44.9 | PB | Emma Ramsden | | 2 | Tony Benton | Havering | Chelmsford | 2 Jun 19 | |
| 44.99 | i | | | | | | | | | Lee Valley | 3 Feb 19 | |
| 415 | 44.9 | | | 44.9 | PB | Georgina Campbell | | 2 | Paul Hawkins | Stratford-upon-Avon | Banbury | 16 Jun 19 | |
| 415 | 44.9 | | | 44.9 | PB | Chiamaka Obineke | | 2 | | Greater Manchester Schs | Blackpool | 19 Jun 19 | |
| 415 | 44.9 | | | 44.9 | PB | Emma Adeyemi | | 1 | | Bexley | Erith | 30 Jun 19 | |
| 415 | 44.9 | | | 44.18/43.4 | | Grace Drummond | | 2 | Stephen Carroll | Liverpool H | Wigan | 30 Jun 19 | |
| 422 | 44.92 | | | 44.92 | PB | Abby Comline | | 2 | | Cheshire Schs | Birmingham | 15 Jun 19 | |
| 423 | 44.94 | i | | 44.23 | | Lucy Fearn | | 2 | Paul McKeown | Crawley | Lee Valley | 5 Jan 19 | |
| 423 | 44.94 | i | | 42.99 | | Freya Taylor | | 1 | Sue Green | Epsom & Ewell | Lee Valley | 5 Jan 19 | |
| 425 | 44.95 | | | 44.95 | PB | Beci De Torres | | 1 | | Cardiff & The Vale Schs | Cardiff | 19 Jun 19 | |
| 425 | 44.95 | | | 44.95 | PB | Aaliyah Robinson | | 1 | | Victoria Park & Tower Hamlets | Stratford | 11 Aug 19 | |
| 427 | 44.97 | | | 44.97 | PB | Emily Muzio | | 1 | John Clements | Brighton & Hove | Crawley | 11 May 19 | |
| 427 | 44.97 | | | 44.97 | PB | Ruth Green | | 2 | | Erme Valley | Exeter | 2 Jun 19 | |
| 427 | 44.97 | | | 44.69 | | Ola Zurakowska | | 1 | | Kilbarchan | Stretford | 30 Jun 19 | |
| 430 | 44.98 | | | 44.67 | | Lizlove Fenning | | 1 | | Herne Hill | Guildford | 30 Jun 19 | |
| 430 | 44.98 | | | 44.98 | PB | Eilidh Henderson | | 1 | | Elgin | Grangemouth | 17 Aug 19 | |
| 430 | 44.98 | i | | 42.11 | | Estelle Roots | | 1 | Stephen Cottle | Torbay | Cardiff | 1 Dec 19 | |
| 433 | 45.0 | | | 45.0 | PB | Isabella Beck | | 2 | Mike Chambers | Winchester | Winchester | 7 Apr 19 | |
| 433 | 45.0 | | | 45.78i/45.0 | PB | Lara Scott-Rule | | 1 | Andrew Fisher | Southampton | Southampton | 20 Apr 19 | |
| 433 | 45.0 | | | 44.04 | | Ella Carey | | 2 | Barry Hearn | Marshall Milton Keynes | Stourport | 5 May 19 | |
| 433 | 45.0 | | | 45.68/45.0 | PB | Eden Harrison | | 1 | | City of Norwich | Norwich | 11 May 19 | |
| 433 | 45.0 | | | 45.48/44.7 | | Madeleine Claydon | | 1 | | Colchester H | Cambridge | 7 Jul 19 | |
| 433 | 45.0 | | | 46.61/45.0 | PB | Nina Johnson | | 1 | | Epsom & Ewell | Guildford | 7 Jul 19 | |
| 433 | 45.0 | i | | 45.19/44.8 | | Florence Roberts | | 1 | | Harrogate | Sheffield | 15 Dec 19 | |
| 440 | 45.01 | i | | 44.10 | | Niamh Atkinson | | 1 | | Pontefract | Sheffield | 7 Dec 19 | |
| 441 | 45.02 | i | | 45.02i | PB | Lucy Armitage | | 2 | Peter Johnson | Sale Harriers Manchester | Sportcity | 1 Dec 19 | |
| 442 | 45.03 | | | 45.03 | PB | Tanwen Moon | | 1 | | Carmarthen | Swansea | 28 Jul 19 | |
| 442 | 45.03 | i | | 43.43 | | Jersey Jones | | 1 | Jason Michael Quirke | Cardiff | Cardiff | 8 Dec 19 | |
| 444 | 45.04 | | | 45.04 | PB | Chloe Noel | | 1 | | Crawley | Crawley | 10 Jul 19 | |
| 445 | 45.05 | | | 45.05 | PB | Florence Sargent | | 1 | | Cornwall AC | Málaga (C), ESP | 28 Apr 19 | |
| 445 | 45.05 | | | 42.11i | | Hanna Ulvede | | 1 | Janice Hindle | Newton Abbot | Exeter | 4 Aug 19 | |
| 447 | 45.07 | i | | 45.07i | PB | Evie Harrison | | 1 | | Gateshead | Sheffield | 7 Dec 19 | |
| 448 | 45.09 | | | 43.91 | | Reese Robinson | | 1 | Carlo Monticolombi | Invicta East Kent | Plymouth | 28 Apr 19 | |
| 449 | 45.1 | | | 48.35/45.1 | PB | Emilia Chittenden | | 1 | | Kingston & Poly | Walton | 1 Jun 19 | |
| 449 | 45.1 | | | 45.53i/45.1 | PB | Milly Soanes | | 2 | Deborah Keenleyside | Dacorum | Hemel Hempstead | 2 Jun 19 | |
| 449 | 45.1 | | | 45.1 | PB | Millie Leighton | | 1 | Paul Bearman | Stratford-upon-Avon | Banbury | 16 Jun 19 | |
| 449 | 45.1 | | | 45.1 | PB | Evelyn Clarke | | 1 | | Worcester | Redditch | 16 Jun 19 | |
| 449 | 45.1 | | | 45.1 | PB | Rebekah Riches | | 2 | Anne Hegvold | Hercules Wimbledon | Guildford | 7 Jul 19 | |
| 449 | 45.1 | | | 45.1 | PB | Zara Sheeran | | 1 | | Attleborough | Ipswich | 21 Jul 19 | |
| 449 | 45.1 | | | 45.22/45.1 | PB | Lauren Barclay | | 1 | | Falkirk | Grangemouth | 25 Aug 19 | |
| 45.22 | | | | | | | | | | East Kilbride | 2 Jun 19 | |
| 456 | 45.13 | | | 42.61 | | Erin Hughes | | 1 | Steve Fury | Medway & Maidstone | Gillingham | 5 May 19 | |
| 457 | 45.15 | | | 45.15/45.0 | PB | Anna Dalglish | | 1 | | Fife | Livingston | 17 Apr 19 | |
| 458 | 45.17 | | | 43.87 | | Ella Matthews | | 1 | Peter Witcomb | Brighton & Hove | Crawley | 11 May 19 | |
| 459 | 45.18 | | | 45.18 | PB | Holly Taylor | | 2 | Brian Hopkins | Enfield & Haringey | Grays | 14 Apr 19 | |
| 460 | 45.19 | | | 45.19 | PB | Holly Peck | | 2 | Mike Bateman | Morpeth | Hexham | 18 May 19 | |
| 461 | 45.2 | | | 45.90/45.2 | PB | Danielle Parkes | | 1 | | Kidderminster & Stourport | Stourport | 12 May 19 | |
| 461 | 45.2 | | | 44.45i/43.8 | | Imogen Reader | | 1 | Dezz Reynolds | Blackpool, Wyre & Fylde | Preston | 1 Jun 19 | |
| 461 | 45.2 | | | 45.2 | PB | Andrea Hill | | 1 | | Unattached | Warrington | 8 Jun 19 | |
| 461 | 45.2 | | | 43.98i | | Melissa Bills | | 1 | | Border | Whitehaven | 8 Jun 19 | |
| 461 | 45.2 | | | 45.28/45.2 | PB | Grace Davison | | 1 | | Surrey Schs | Chelmsford | 6 Jul 19 | |
| 45.28 | | | | | | | | | | Kingston | 8 Jun 19 | |
| 461 | 45.2 | | | 46.37/45.2 | PB | Amy Shayler | | 1 | Paul Kelsey | Oxford City | Winchester | 7 Jul 19 | |
| 461 | 45.2 | | | 45.67/44.2 | | Natalie Hughes | | 1 | | Ipswich | Bury St Edmunds | 8 Sep 19 | |
| 461 | 45.2 | | | 45.2 | PB | Marli Jessop | | 2 | Brian Hopkins | Dacorum | Hemel Hempstead | 22 Sep 19 | |
| 469 | 45.22 | | | 45.22 | PB | Sophie Bath | | 1 | Dave Combe | Pitreavie | Grangemouth | 8 Jun 19 | |
| 470 | 45.23 | i | | 45.23i | PB | Robyn MacDonald | | 1 | | Lothian | Emirates Arena | 7 Feb 19 | |
| 470 | 45.23 | | | 42.18 | | Ella Saxby | | 2 | Stella Bandu | Ashford AC | Tonbridge | 5 May 19 | |
| 472 | 45.24 | | | 45.24 | PB | Kennedy Beardwell | | 1 | | Thurrock | Grays | 15 Sep 19 | |
| 472 | 45.24 | i | | 45.10i/44.4 | | Grace Gibson | | 1 | | Bury | Sportcity | 1 Dec 19 | |
| 474 | 45.26 | | | 45.26 | PB | Millie Campden | | 1 | | Cardiff & The Vale Schs | Cardiff | 19 Jun 19 | |
| 475 | 45.27 | | | 44.87i | | Danielle Lockie | | 2 | Bruce Scott | Tweed, Leader, Jed Track | Livingston | 17 Apr 19 | |
| 476 | 45.28 | i | | 44.93 | | Lucia Wright | | 2 | | Airdrie Harriers | Emirates Arena | 27 Jan 19 | |
| 476 | 45.28 | i | | 43.76 | | Ella McGregor | | 1 | | Giffnock North | Emirates Arena | 1 Dec 19 | |
| 478 | 45.29 | | | 45.29 | PB | Carys Dickinson | | 1 | | Swansea | Swansea | 5 May 19 | |
| 478 | 45.29 | | | 45.29 | PB | Sophie Jennings | | 1 | Frank Gauld | Aberdeen | Aberdeen | 25 Aug 19 | |
| 480 | 45.3 | | | 45.78i/45.0 | | Charlotte Gravelsons | | 2 | Michael Sheppard | Stratford-upon-Avon | Stourport | 7 Apr 19 | |
| 480 | 45.3 | | | 43.93 | | Kate Salthouse | | 1 | | Tynedale | Whitley Bay | 28 Apr 19 | |
| 480 | 45.3 | | | 43.73 | | Hannah Bolton | | 2 | Stephen Williams | Chelmsford | Peterborough | 5 May 19 | |
| 480 | 45.3 | | | 44.0 | | Katie Crook | | 1 | | Western | Blackpool | 11 May 19 | |
| 480 | 45.3 | | | 45.3 | PB | Amie Hatton | | 1 | | Lincolnshire Schs | Derby | 17 Jun 19 | |
| 480 | 45.3 | | | 45.3 | PB | Emily Dwerryhouse | | 1 | | Cheltenham | Cheltenham | 30 Jun 19 | |
| 480 | 45.3 | | | 43.26 | | Catrin Powell Jones | | 2 | Alwyn Roberts | Menai | Wigan | 30 Jun 19 | |
| 480 | 45.3 | | | 45.77/44.9 | | Isabelle Nero | | 1 | Deborah Keenleyside | Dacorum | Cambridge | 7 Jul 19 | |
| 480 | 45.3 | | | 45.3 | PB | Sophie Groom | | 1 | | Bromsgrove & Redditch | Stourport | 7 Jul 19 | |
| 480 | 45.3 | | | 45.3 | PB | Olivia Robson | | 1 | | Maldwyn | Shrewsbury | 18 Jul 19 | |
| 490 | 45.31 | i | | 43.46i | | Rosie Mckay | | 2 | Sara Lang | Giffnock North | Emirates Arena | 27 Jan 19 | |
| 491 | 45.34 | i | | 43.90 | | Emilia Stokes | | 1 | | Invicta East Kent | Lee Valley | 17 Mar 19 | |
| 492 | 45.35 | | | 45.35 | PB | Francesca Clayton | | 1 | | Crawley | Crawley | 26 Aug 19 | |
| 493 | 45.36 | | | 45.36 | PB | Freya Ridge | | 1 | Carol Jackson | Tonbridge | Tonbridge | 22 Apr 19 | |
| 494 | 45.38 | | | 45.38 | PB | Kirsty Purcell | | 2 | Nichola Crawford | Aberdeen | Aberdeen | 28 Apr 19 | |
| 494 | 45.38 | | | 44.97 | | Abigail Williams | | 1 | Sandra Woodman | Yate | Yate | 4 Sep 19 | |
| 496 | 45.39 | i | | 42.56/42.2 | | Tracy Linus | | 1 | | Lewes | Lee Valley | 5 Jan 19 | |
| 497 | 45.40 | i | | 44.07 | | Maya Vandermark | | 1 | Bryn Percival | Cambridge & Coleridge | Lee Valley | 1 Dec 19 | |
| 498 | 45.4 | | | 45.56/45.4 | PB | Eilidh Maclean | | 2 | Bill Boyd | Harborough | Corby | 26 Mar 19 | |
| 498 | 45.4 | | | 45.4 | PB | Madeleine Short | | 1 | David Pring | City of Norwich | Peterborough | 5 May 19 | |
| 498 | 45.4 | | | 45.4 | PB | Lucy Hignett | | 2 | Sarah Kearney | Wirral | Preston | 5 May 19 | |
| 498 | 45.4 | | | 47.06i/45.4 | PB | Jemma Atkinson | | 2 | | Seaton | Whitehaven | 7 Sep 19 | |
| 498 | 45.4 | | | 46.66/45.4 | PB | Grace Tidman | | 1 | Bob Whyler | Nene Valley | Bury St Edmunds | 8 Sep 19 | |
| 503 | 45.43 | | | 44.24 | | Jessica Fisher | | 2 | Jim Kidd | Taunton | Exeter | 2 Jun 19 | |
| 503 | 45.43 | | | 45.43 | PB | Eleanor Nesling | | 2 | | Surrey Schs | Kingston | 8 Jun 19 | |
| 505 | 45.45 | | | 45.45 | PB | Annabelle Murray | | 2 | | Tweed, Leader, Jed Track | Livingston | 17 Apr 19 | |
| 505 | 45.45 | | | 44.23/43.9 | | Alicia Beverley | | 1 | Chris Mole | North Shields Poly | Jarrow | 24 Apr 19 | |
| 507 | 45.46 | i | | 41.10 | | Ruby Brook | | 1 | Mark Wanklyn | Cheltenham | Lee Valley | 1 Dec 19 | |
| 508 | 45.48 | | | 44.43 | | Ellie Dolby | | 1 | Jay Galley | Blackheath & Bromley | Ashford | 12 May 19 | |
| 508 | 45.48 | | | 45.48 | PB | Kinza Joshua Osondu | | 1 | | Thames Valley | Guildford | 30 Jun 19 | |
| 510 | 45.5 | | | 46.54/45.5 | PB | Ella Brown | | 2 | | Blackheath & Bromley | Reading | 5 May 19 | |
| 510 | 45.5 | | | 45.5 | PB | Izzie Leigh | | 1 | John Knowles | Truro School | Par | 11 May 19 | |
| 510 | 45.5 | | | 44.6 | | Ellie Owen | | 1 | Dezz Reynolds | Blackpool, Wyre & Fylde | Ellesmere Port | 26 May 19 | |
| 510 | 45.5 | | | 46.34i/45.5 | PB | Abigail Gregson | | 1 | | Preston | Preston | 1 Jun 19 | |
| 510 | 45.5 | | | 45.50i | | Maisie Witty | | 2 | Paul Simpson | Isle of Wight | Portsmouth | 8 Jun 19 | |
| 510 | 45.5 | | | 44.68 | | Daisy Palmer | | 2 | Paul Kelsey | Oxford City | Horspath | 30 Jun 19 | |
| 510 | 45.5 | | | 45.5 | PB | Laura Reeves | | 2 | | Bournemouth | Bournemouth | 8 Sep 19 | |
| 40.91 | | | 40.91 | PB | Vanessa Ansuaa | | 2 | Craig Andrew | Shaftesbury Barnet | Bedford | 11 May 19 | |
| 41.03 | | | 41.03 | PB | Katie Monteith | | 2 | Laura Kerr | City of Lisburn | Antrim | 27 Apr 19 | |
| 41.85 | i | | 40.83i | | Emily Oyekan | | 2 | Jessica Taylor-Jemmett | Stockport | Emirates Arena | 26 Jan 19 | |
| 43.1 | | | 39.28 | | Ioana-Rebecca Andrei | | 2 | Jake Awe | Luton | Stevenage | 7 Jul 19 | |