| 1500 U20 Men 2020 to 4:25.0 | Head to Head Top 10 |
| Rank | Perf | | | PB | | Name | | Year | Coach | Club | Venue | Date | |
| 1 | 3:41.44 | i | | 3:35.12i | | Thomas Keen | | 3 | Mark Vile | Cambridge & Coleridge | Vienna, AUT | 1 Feb 20 |  |
| 2 | 3:42.16 | | | 3:36.66 | | Henry McLuckie | | 2 | Geoff Watkin | Shaftesbury Barnet | Battersea Park | 15 Sep 20 | |
| 3 | 3:44.88 | | | 3:39.99 | | Joe Ewing | | 2 | Carol Sharp | Edinburgh AC | Stretford | 25 Aug 20 | |
| 4 | 3:48.39 | | | 3:45.10 | | Sam Charlton | | 2 | Helen Clitheroe | Wallsend | Stretford | 15 Sep 20 | |
 UK 10 TARGET: 3:49.00 |
| 5 | 3:49.72 | | | 3:43.56 | | Henry Johnson | | 1 | Lynn Cooper | Houghton Harriers | Stretford | 15 Sep 20 | |
| 6 | 3:50.01 | | | 3:43.34 | | Jack Patton | | 1 | Robert Hawkins | Kilbarchan | Stretford | 15 Sep 20 | |
| 7 | 3:50.21 | | | 3:46.45 | | Luke Van Oudtshoorn | | 2 | Mick Woods | Aldershot, Farnham & District | Loughborough | 16 Sep 20 | |
| 8 | 3:50.23 | | | 3:31.30 | | Matthew Stonier | | 2 | Peter Mullervy | Invicta East Kent | Loughborough | 16 Sep 20 | |
| 9 | 3:50.65 | | | 3:42.85 | | Rory Leonard | | 3 | | Morpeth | Stretford | 15 Sep 20 | |
| 10 | 3:50.82 | i | | 3:50.70 | | Daniel Preston | | 3 | Adrian Webb | Liverpool H | Sheffield | 22 Jan 20 | |
| 11 | 3:51.38 | | | 3:50.80 | | Xavier O'Hare | | 3 | Craig Winrow | Trafford | Battersea Park | 15 Sep 20 | |
| 12 | 3:51.64 | | | 3:48.77 | | Ethan O'Shea | | 2 | Alison Wyeth | Charnwood | Stretford | 15 Sep 20 | |
| 13 | 3:52.03 | | | 3:42.09 | | Tomer Tarragano | | 3 | John Clements | Brighton & Hove | Battersea Park | 15 Sep 20 | |
| 14 | 3:52.19 | | | 3:40.60 | | Ben MacMillan | | 2 | | Central | Stretford | 15 Sep 20 | |
| 15 | 3:52.44 | | | 3:52.44 | PB | Daniel Maud | | 3 | | Charnwood | Stretford | 15 Sep 20 | |
| 16 | 3:52.48 | i | | 3:40.12 | | Ben Reynolds | | 1 | Arwyn Davies | Cardiff | Cardiff | 19 Jan 20 | |
| 17 | 3:54.17 | | | 3:46.66 | | Luca Minale | | 2 | Wayne Vinton | Victoria Park & Tower Hamlets | Battersea Park | 15 Sep 20 | |
| 18 | 3:54.70 | | | 3:54.70 | PB | Fergus Scott | | 1 | Anthony Love | Rugby & Northampton | Stretford | 15 Sep 20 | |
| 19 | 3:54.73 | | | 3:54.73 | PB | Dylan Spencer | | 1 | Trevor Raggett | Windsor Slough Eton & Hounslow | Harrow | 24 Sep 20 | |
| 20 | 3:55.04 | i | | 3:42.27i | | Justin Davies | | 1 | Martin Rush | Team Bath | Cardiff | 25 Jan 20 | |
| 21 | 3:55.52 | | | 3:49.58 | | Will Bellamy | | 1 | Lynn Cooper | Houghton Harriers | Stretford | 15 Sep 20 | |
| 22 | 3:55.85 | | | 3:49.44 | | Finley Proffitt | | 1 | Neil Canham | Trafford | Stretford | 15 Sep 20 | |
| 23 | 3:56.12 | | | 3:56.12 | PB | Aaron Samuel | | 1 | | Ilford | Harrow | 24 Sep 20 | |
| 24 | 3:56.18 | | | 3:55.34 | | Connor Bentley | | 3 | | City of Stoke | Loughborough | 16 Sep 20 | |
| 25 | 3:56.31 | | | 3:46.39 | | Leo Brewer | | 2 | Bruce Warren | Brighton Phoenix | Lee Valley | 29 Aug 20 | |
| 26 | 3:56.41 | | | 3:38.84 | | Osian Perrin | | 1 | Andrew Walling | Menai | Stretford | 11 Aug 20 | |
| 27 | 3:56.44 | | | 3:56.44 | PB | OJ Parmenter | | 1 | Andrew Parmenter | Cambridge & Coleridge | Nuneaton | 18 Sep 20 | |
| 28 | 3:56.48 | | | 3:56.48 | PB | Harry Hudson | | 1 | Andrew Railton | Kingston upon Hull | Stretford | 6 Sep 20 | |
| 29 | 3:56.63 | | | 3:47.52 | | Liam Rawlings | | 1 | Colin Lancaster | Oswestry | Loughborough | 9 Sep 20 | |
| 30 | 3:57.03 | | | 3:55.34 | | Vincent Dawson | | 1 | | Charnwood | Stretford | 15 Sep 20 | |
| 31 | 3:57.51 | | | 3:46.88 | | Alex Ediker | | 3 | | Chesterfield | Nuneaton | 30 Aug 20 | |
| 32 | 3:57.89 | | | 3:46.51 | | Jack Dickson | | 1 | Richard Vassall | Kingston & Poly | Harrow | 24 Sep 20 | |
| 33 | 3:58.1 | | | 3:58.1 | PB | Charles Crick | | 3 | Mark Hookway | Tonbridge | Aldershot | 10 Sep 20 | |
| 34 | 3:58.2 | | | 3:51.68 | | Brett Rushman | | 2 | Andrew Hobdell | Herts Phoenix | Aldershot | 10 Sep 20 | |
| 35 | 3:58.39 | | | 3:40.78 | | Will Barnicoat | | 1 | Trevor Raggett | Windsor Slough Eton & Hounslow | Worthing | 8 Sep 20 | |
| 36 | 3:58.41 | | | 3:53.28 | | Ryan Miskelly | | 1 | | Lagan Valley | Belfast | 6 Aug 20 | |
| 37 | 3:58.45 | | | 3:49.04 | | Raif Serif | | 1 | | Vale Royal | Stretford | 15 Sep 20 | |
| 38 | 3:58.63 | i | | 3:57.66 | | Jackson Mountford | | 3 | Darryn McAtee | Newport H | Cardiff | 25 Jan 20 | |
| 4:01.92 | | | | | | | | | | Lee Valley | 29 Aug 20 | |
| 39 | 3:58.7 | | | 3:52.51 | | Oliver Smart | | 1 | | Tavistock Run Project | Par | 12 Sep 20 | |
| 40 | 3:58.85 | | | 3:48.15 | | Peter Bradshaw | | 1 | Norrie Hay | Inverclyde | Stretford | 15 Sep 20 | |
| 41 | 3:59.00 | | | 3:45.30 | | Henry Fisher | | 2 | David Liston | Blackheath & Bromley | Bromley | 14 Sep 20 | |
| 42 | 3:59.29 | | | 3:54.48 | | Liam Dunne | | 1 | Joel Kidger | Chichester | Lee Valley | 29 Aug 20 | |
| 43 | 3:59.58 | | | 3:56.61 | | Joe Gebbie | | 3 | | Blackburn | Stretford | 6 Sep 20 | |
| 44 | 3:59.62 | | | 3:54.55 | | Sam Gentry | | 2 | Julian Emery | North Somerset | Yeovil | 20 Sep 20 | |
| UK 100 TARGET: 4:00.00 |
| 45 | 4:00.14 | | | 3:54.53 | | Max Cunningham | | 1 | Andy Bibby | Preston | Stretford | 15 Sep 20 | |
| 46 | 4:00.62 | i | | 3:58.51 | | Magnus Tait | | 3 | Linda Smith | Lasswade | Emirates Arena | 8 Feb 20 | |
| 47 | 4:01.11 | i | | 3:55.6 | | Luke Farrant | | 3 | Andrew Mihranian | Stockport | Sheffield | 11 Jan 20 | |
| 48 | 4:01.12 | | | 3:46.18 | | Joshua Dickinson | | 2 | Andrew Henderson | Leeds City | Stretford | 25 Aug 20 | |
| 49 | 4:01.14 | | | 4:01.14 | PB | Nick Smith | | 1 | Guy Holden | South London | Coulsdon | 12 Sep 20 | |
| 50 | 4:01.28 | | | 3:53.78 | | Niall McKnight | | 2 | | Annadale | Belfast | 6 Aug 20 | |
| 51 | 4:01.44 | | | 3:57.08 | | Tony McCambridge | | 3 | | St. Malachy's | Belfast | 11 Sep 20 | |
| 52 | 4:01.60 | i | | 3:55.92 | | Adam Hay | | 3 | Mark Pollard | Inverclyde | Emirates Arena | 29 Feb 20 | |
| 53 | 4:01.66 | i | | 3:56.26 | | David Locke | | 2 | James Thie | Cardiff | Cardiff | 19 Jan 20 | |
| 54 | 4:01.97 | | | 3:40.25i | | Thomas Bridger | | 1 | Mark Vile | Cambridge & Coleridge | Harrow | 24 Sep 20 | |
| 55 | 4:02.05 | | | 4:00.53 | | Alex Doyle | | 3 | Andrew Carter | Vale Royal | Stretford | 25 Aug 20 | |
| 56 | 4:02.40 | i | | 3:45.40 | | Ben Sandilands | | 1 | Steven Doig | Fife | Emirates Arena | 18 Jan 20 | |
| 4:12.82 | | | | | | | | | | Meadowmill | 13 Sep 20 | |
| 56 | 4:02.40 | | | 3:47.08 | | James Kingston | | 2 | Mark Hookway | Tonbridge | Tonbridge | 31 Aug 20 | |
| 58 | 4:02.74 | | | 3:52.33 | | Ryan Elston | | 1 | Alison Wyeth | Charnwood | Nuneaton | 18 Sep 20 | |
| 59 | 4:02.77 | | | 3:53.88 | | Luke Nuttall T46 | | 2 | Alison Wyeth | Charnwood | Stretford | 15 Sep 20 | |
| 60 | 4:02.79 | | | 3:45.57 | | Leo Freeland | | 1 | Sharon Edghill | Marshall Milton Keynes | Nuneaton | 18 Sep 20 | |
| 61 | 4:03.07 | | | 4:03.07 | PB | Fraser Gordon | | 1 | Peter Mason | Tonbridge | Tonbridge | 31 Aug 20 | |
| 62 | 4:03.11 | | | 3:53.83 | | Harley Norman | | 1 | Guy Holden | South London | Coulsdon | 12 Sep 20 | |
| 63 | 4:03.24 | | | 3:47.51 | | Josh Fiddaman | | 2 | Steven Walker | Blyth | Morpeth | 6 Sep 20 | |
| 64 | 4:03.38 | i | | 3:48.58 | | Luke Davidson | | 2 | Ross Cairns | Inverness | Emirates Arena | 18 Jan 20 | |
| 64 | 4:03.38 | | | 3:54.01 | | Jamie Webster | | 2 | Simon Goodwin | Bedford & County | Harrow | 24 Sep 20 | |
| 66 | 4:03.43 | i | | 3:59.50 | | Aaron Hunt | | 3 | Dean Miller | Peterborough & Nene Valley | Sheffield | 23 Feb 20 | |
| 67 | 4:03.62 | | | 4:03.62 | PB | Samuel Western | | 2 | Colin Lancaster | Shrewsbury | Loughborough | 9 Sep 20 | |
| 68 | 4:03.88 | | | 3:53.99 | | Charlie Wakefield | | 2 | Mick Graham | St. Edmund Pacers | Bromley | 11 Oct 20 | |
| 69 | 4:04.13 | | | 3:47.08 | | Matthew Ramsden | | 1 | Edmund Finucane | Blackburn | Stretford | 6 Sep 20 | |
| 70 | 4:04.31 | | | 3:56.46 | | Charlie Brisley | | 3 | James McNeill | Invicta East Kent | Coulsdon | 10 Oct 20 | |
| 71 | 4:04.59 | | | 3:46.20 | | Chris Bain | | 1 | Paul Ingrouille | Guernsey | St Peter Port | 6 Aug 20 | |
| 72 | 4:05.12 | i | | 3:47.62 | | Christopher McLew | | 2 | Michael Johnston | Cambuslang | Emirates Arena | 26 Jan 20 | |
| 73 | 4:05.14 | | | 3:57.27 | | Harry Sinclair | | 2 | Jethro McGraw | Trafford | Stretford | 6 Sep 20 | |
| 74 | 4:05.20 | | | 4:05.20 | PB | Skip Snelson | | 1 | | Banbury | Nuneaton | 18 Sep 20 | |
| 75 | 4:05.22 | | | 3:49.66 | | Edward Blythman | | 2 | Simon Goodwin | Bedford & County | Nuneaton | 18 Sep 20 | |
| 76 | 4:05.35 | | | 3:53.47 | | George Beardmore | | 3 | David Walker | Worcester | Coulsdon | 12 Sep 20 | |
| 77 | 4:05.60 | i | | 3:52.58 | | Finn Harvey | | 2 | Ty Holden | Shaftesbury Barnet | Sheffield | 23 Feb 20 | |
| 78 | 4:05.62 | | | 4:05.62 | PB | Oscar Cousins | | 1 | | Chesterfield | Stretford | 6 Sep 20 | |
| 79 | 4:05.63 | | | 4:05.63 | PB | Ollie Lock | | 1 | Julian Emery | North Somerset | Yeovil | 20 Sep 20 | |
| 80 | 4:05.71 | | | 3:53.82 | | Ben Miles | | 2 | Steve Mitchell | Cardiff | Aberdare | 29 Aug 20 | |
| 81 | 4:05.79 | i | | 3:57.70 | | Oliver Hall | | 2 | | Bracknell AC | Lee Valley | 19 Feb 20 | |
| 82 | 4:05.89 | | | 4:01.66 | | Alex Johnson | | 1 | Steve Perkin | Chiltern | Harrow | 24 Sep 20 | |
| 83 | 4:05.92 | | | 4:01.31 | | Harrison Tremain | | 3 | Stella Bandu | Ashford AC | Lee Valley | 29 Aug 20 | |
| 84 | 4:05.98 | | | 4:05.98 | PB | Josh Edwards | | 3 | | Shaftesbury Barnet | Harrow | 24 Sep 20 | |
| 85 | 4:06.24 | | | 3:48.20i | | Adam Ede | | 2 | Bernard Wilkins | Abingdon | Southampton | 5 Sep 20 | |
| 86 | 4:06.28 | i | | 3:49.79 | | Elliot Pocock | | 2 | Mick Woods | Aldershot, Farnham & District | Lee Valley | 19 Feb 20 | |
| 87 | 4:06.29 | | | 4:03.67 | | Ross Charlton | | 2 | Mike Bateman | Morpeth | Morpeth | 6 Sep 20 | |
| 88 | 4:06.36 | | | 3:53.47 | | Pierce Clisham | | 1 | David Dix | Coventry | Nuneaton | 30 Aug 20 | |
| 89 | 4:06.39 | i | | 3:46.77 | | Iestyn Williams | | 3 | Carol Jones | Carmarthen | Lee Valley | 5 Feb 20 | |
| 4:07.1 | | | | | | | | | | Aldershot | 26 Sep 20 | |
| 90 | 4:06.67 | | | 4:06.67 | PB | Atticus Dobouny | | 1 | David Leach | Lewes | Worthing | 8 Sep 20 | |
| 91 | 4:06.84 | | | 3:50.03 | | Johnny Livingstone | | 1 | | Exeter | Lee Valley | 29 Aug 20 | |
| 92 | 4:06.95 | | | 3:59.03 | | Harry Brodie | | 2 | | Bedford & County | Harrow | 24 Sep 20 | |
| 93 | 4:07.32 | i | | 4:06.94 | | Harry McGill | | 1 | Robert Hawkins | Kilbarchan | Emirates Arena | 5 Feb 20 | |
| 94 | 4:07.43 | | | 4:07.43 | PB | Sebastian Segger-Staveley | | 1 | | Settle | Stretford | 19 Sep 20 | |
| 95 | 4:07.7 | | | 3:55.05 | | Elias Ahmed | | 2 | | Ealing Southall & Middx | Aldershot | 26 Sep 20 | |
| 96 | 4:08.12 | i | | 4:01.08 | | Harry Dyall | | 3 | | Wolverhampton & Bilston | Lee Valley | 5 Feb 20 | |
| 97 | 4:08.14 | | | 4:08.14 | PB | Lucas Parker | | 2 | Michael Doyle | Stockport | Stretford | 22 Aug 20 | |
| 98 | 4:08.17 | | | 3:58.41 | | William Tighe | | 2 | | Chesterfield | Nuneaton | 30 Aug 20 | |
| 99 | 4:08.47 | | | 4:08.47 | PB | Jack Wilkinson | | 3 | | Trafford | Stretford | 19 Sep 20 | |
| 100 | 4:08.49 | | | 3:58.07 | | Gavin McCaffrey | | 2 | Raymond Adams | North Belfast | Belfast | 6 Aug 20 | |
| 101 | 4:08.61 | | | 3:57.36 | | Adetomiwa Oladiti | | 3 | Vicente Modahl | Sale Harriers Manchester | Nuneaton | 18 Sep 20 | |
| 102 | 4:08.73 | i | | 4:05.01i | | Ross Whitelaw | | 2 | Norrie Hay | Victoria Park City of Glasgow | Emirates Arena | 5 Feb 20 | |
| 103 | 4:08.95 | | | 3:46.58 | | Isaac Hirshman Chandler | | 1 | Jeremy Sothcott | Shaftesbury Barnet | Sagunto, ESP | 17 Jul 20 | |
| 104 | 4:09.0 | | | 3:58.02 | | Callum Crook | | 2 | Vince Stamp | City of Portsmouth | Aldershot | 10 Sep 20 | |
| 105 | 4:09.04 | | | 3:48.73 | | Ned Potter | | 2 | Philip Baker | Chichester | Worthing | 8 Sep 20 | |
| 106 | 4:09.08 | | | 3:58.14 | | Taylor Newell | | 4 | | Thurrock | Dagenham | 3 Oct 20 | |
| 107 | 4:09.17 | | | 4:00.88 | | Daniel Swain | | 2 | Catherine Muth | Birchfield H | Nuneaton | 30 Aug 20 | |
| 108 | 4:09.19 | i | | 3:50.43 | | Sean Mc Ginley | | 1 | | Olympian Youth | Abbotstown, IRL | 1 Feb 20 | |
| 109 | 4:09.35 | | | 3:52.68 | | Sam Davey | | 1 | Oliver Davey | Worcester | Loughborough | 9 Sep 20 | |
| 110 | 4:09.78 | | | 3:53.67i | | Luke Hamley | | 1 | Mark Brace | North Devon | Braunton | 13 Sep 20 | |
| 111 | 4:09.80 | i | | 3:45.16 | | Lewis Hannigan | | 1 | Robert Hawkins | Kilbarchan | Emirates Arena | 5 Feb 20 | |
| 112 | 4:10.18 | i | | 3:56.59 | | Joseph Bentall | | 1 | | Trafford | Sheffield | 11 Jan 20 | |
| 113 | 4:10.19 | | | 4:07.79 | | Harrison Mayne | | 1 | Catherine Mijovic | Bromsgrove & Redditch | Nuneaton | 18 Sep 20 | |
| 114 | 4:10.2 | | | 3:58.59 | | Jak Wright | | 1 | Gary Floate | Ilford | Aldershot | 10 Sep 20 | |
| 114 | 4:10.2 | | | 3:37.52i | | Tyler Bilyard | | 2 | Rob Andrews | City of Norwich | Norwich | 26 Sep 20 | |
| 116 | 4:10.30 | | | 4:10.30 | PB | Ben McIntyre | | 2 | Kevin Buttle | Swindon | Nuneaton | 18 Sep 20 | |
| 117 | 4:10.4 | | | 4:04.12 | | Jack Exley | | 3 | | Thurrock | Grays | 12 Sep 20 | |
| 118 | 4:11.0 | | | 4:11.0 | PB | Charlie Bird | | 2 | | Jersey | St. Clement | 28 Jul 20 | |
| 119 | 4:11.07 | | | 4:11.07 | PB | Oliver Telfer | | 1 | Sue Skirrow | Alnwick | Morpeth | 6 Sep 20 | |
| 120 | 4:11.18 | | | 4:11.18 | PB | Malcolm Mclure | | 1 | | Dunfermline Track & Field | Stretford | 6 Sep 20 | |
| 121 | 4:11.36 | | | 4:11.36 | PB | Aidan Shea | | 3 | | Central | Meadowmill | 13 Sep 20 | |
| 122 | 4:11.38 | | | 3:55.72 | | Ben Makin | | 2 | | Blackburn | Stretford | 19 Sep 20 | |
| 123 | 4:11.58 | | | 4:11.58 | PB | Dylan Sweet | | 1 | | Herne Hill | Coulsdon | 12 Sep 20 | |
| 124 | 4:11.88 | i | | 4:11.88i | PB | Iestyn Edwards | | 2 | James Thie | Cardiff | Cardiff | 19 Jan 20 | |
| 125 | 4:12.08 | i | | 3:58.49 | | David Addison | | 1 | David Arnott | Corstorphine | Emirates Arena | 5 Feb 20 | |
| 126 | 4:12.11 | i | | 4:12.11i | PB | Cai Morgan Roberts | | 3 | Barry Edwards | Menai | Cardiff | 2 Feb 20 | |
| 127 | 4:12.23 | | | 4:00.92 | | Edward Pettitt | | 1 | Andrew Carter | Vale Royal | Stretford | 19 Sep 20 | |
| 128 | 4:12.3 | | | 4:09.08 | | Aaron Gill | | 1 | Mick Woods | Aldershot, Farnham & District | Aldershot | 26 Sep 20 | |
| 129 | 4:12.40 | i | | 4:09.7 | | Liam Dailey | | 2 | | Stroud | Cardiff | 19 Jan 20 | |
| 130 | 4:12.41 | | | 4:04.19 | | Abdifatah Khalif | | 2 | Idris Hamud | Hillingdon | Dagenham | 31 Oct 20 | |
| 131 | 4:12.58 | | | 4:02.45 | | Charles Kershaw | | 2 | Trevor Raggett | Windsor Slough Eton & Hounslow | Worthing | 8 Sep 20 | |
| 131 | 4:12.58 | | | 4:12.58 | PB | Hugo Villalobos Finigan | | 2 | Catherine Muth | BRAT | Nuneaton | 18 Sep 20 | |
| 133 | 4:12.63 | | | 3:59.96 | | Ben Prior | | 3 | | Thurrock | Dagenham | 3 Oct 20 | |
| 134 | 4:12.7 | | | 4:07.64 | | Jack Johnson | | 2 | Mick Woods | Aldershot, Farnham & District | Aldershot | 10 Sep 20 | |
| 135 | 4:12.75 | | | 4:12.75 | PB | Nathan Jones | | 1 | Harry Czapski | Vale of Aylesbury | Harrow | 24 Sep 20 | |
| 136 | 4:13.21 | | | 3:50.52 | | Sam Stephens | | 2 | Andrew Carter | Vale Royal | Stretford | 3 Oct 20 | |
| 137 | 4:13.3 | | | 3:56.38 | | Jamie Teare | | 1 | | Blackburn | Stretford | 6 Sep 20 | |
| 137 | 4:13.3 | | | 4:12.7 | | Ethan Kendall | | 2 | Mick Woods | Aldershot, Farnham & District | Aldershot | 10 Sep 20 | |
| 139 | 4:13.37 | | | 4:13.37 | PB | Eric Williams | | 2 | Vanessa Hammett | Kingston & Poly | Harrow | 24 Sep 20 | |
| 140 | 4:13.72 | | | 4:13.72 | PB | Alex Rawlings | | 1 | | Severn | Nuneaton | 18 Sep 20 | |
| 141 | 4:13.8 | | | 4:13.8 | PB | Will Bond | | 1 | Brian O'Hare | Exeter | Par | 12 Sep 20 | |
| 142 | 4:13.9 | | | 3:59.35 | | James Rennie | | 2 | Rob McKim | Reading AC | Reading | 13 Sep 20 | |
| 143 | 4:14.0 | | | 3:56.00 | | William Mahoney | | 2 | Peter Gore | City of Norwich | Norwich | 26 Sep 20 | |
| 144 | 4:14.04 | i | | 4:10.4 | | James Martin | | 3 | Lynn Cooper | Houghton Harriers | Sheffield | 5 Jan 20 | |
| 145 | 4:14.1 | | | 4:14.1 | PB | Ieuan Owen | | 1 | | Western | Douglas | 9 Sep 20 | |
| 146 | 4:14.20 | | | 4:01.46 | | Adam Saul-Braddock | | 2 | Derrick Harding | Wolverhampton & Bilston | Nuneaton | 18 Sep 20 | |
| 147 | 4:14.49 | | | 4:13.65 | | Patrick Mochan | | 1 | Kevin Buttle | Swindon | Swindon | 6 Sep 20 | |
| 148 | 4:14.50 | | | 4:09.16 | | James Griffiths | | 1 | Ridley Griffith | Neath | Aberdare | 29 Aug 20 | |
| 149 | 4:14.5 | | | 4:14.5 | PB | George Safranauskas | | 1 | David Bennett | Sale Harriers Manchester | Stretford | 6 Sep 20 | |
| 150 | 4:14.72 | | | 4:00.08 | | Aidan Aherne | | 1 | | Ealing Southall & Middx | Tooting Bec | 26 Sep 20 | |
| 150 | 4:14.72 | | | 4:03.29 | | Bradley Deacon | | 2 | Ian Gains | Ilford | Bromley | 11 Oct 20 | |
| 152 | 4:15.13 | | | 4:13.91 | | Matthew Quarterman | | 2 | Simon Prior | Wells City | Yeovil | 4 Oct 20 | |
| 153 | 4:15.19 | i | | 4:02.74 | | Ben Gardiner | | 2 | David Liston | Blackheath & Bromley | Lee Valley | 15 Mar 20 | |
| 154 | 4:15.29 | i | | 4:15.29i | PB | Ethan Carolan | | 1 | Dudley Walker | Giffnock North | Emirates Arena | 5 Feb 20 | |
| 155 | 4:15.31 | | | 4:07.70i | | Mark Carberry | | 2 | Francis Marsh | North Down | Belfast | 11 Sep 20 | |
| 156 | 4:15.43 | | | 4:12.61 | | Seb Patrick | | 2 | | Trafford | Stretford | 3 Oct 20 | |
| 157 | 4:15.46 | i | | 3:51.48 | | William Aitken | | 1 | | | Cardiff | 2 Feb 20 | |
| 158 | 4:15.71 | i | | 4:04.19 | | Callum Myatt | | 3 | David Liston | Blackheath & Bromley | Lee Valley | 15 Mar 20 | |
| 159 | 4:15.8 | | | 4:04.51 | | Cameron Coveney | | 1 | Dave Ragan | Basingstoke & Mid Hants | Basingstoke | 26 Sep 20 | |
| 160 | 4:16.0 | | | 3:58.96 | | William Newcombe | | 1 | Mark Vile | Cambridge & Coleridge | Cambridge | 6 Sep 20 | |
| 161 | 4:16.06 | i | | 4:04.63 | | Robert Sparks | | 3 | Ron Morrison | Fife | Emirates Arena | 8 Feb 20 | |
| 162 | 4:16.08 | | | 4:16.08 | PB | Sam Cole | | 2 | Gabriel Bell | Foyle Valley | Belfast | 11 Sep 20 | |
| 163 | 4:16.2 | | | 4:16.2 | PB | William Atkinson | | 2 | | Jersey | St. Clement | 28 Jul 20 | |
| 164 | 4:16.37 | i | | 3:59.18 | | Thomas Ross | | 2 | David Arnott | Corstorphine | Emirates Arena | 18 Jan 20 | |
| 4:20.87 | | | | | | | | | | Meadowmill | 13 Sep 20 | |
| 165 | 4:16.87 | | | 4:15.24 | | Sam McFall | | 1 | | Birchfield H | Nuneaton | 18 Sep 20 | |
| 166 | 4:16.92 | i | | 3:54.92 | | Ritchie Gardiner | | 1 | David Arnott | Corstorphine | Emirates Arena | 5 Feb 20 | |
| 167 | 4:17.25 | | | 4:17.01 | | Isaac Powers | | 2 | Paul Ingrouille | Guernsey | St. Peter Port | 30 Aug 20 | |
| 168 | 4:17.57 | | | 4:17.57 | PB | Joel Price | | 2 | Mark Gold | Cardiff | Swansea | 20 Sep 20 | |
| 169 | 4:17.7 | | | 4:16.68 | | Robert Hickman | | 2 | Barry Hearn | Marshall Milton Keynes | Milton Keynes | 5 Sep 20 | |
| 170 | 4:17.78 | | | 3:58.52 | | Finley Ball | | 1 | Mark Brace | North Devon | Braunton | 13 Sep 20 | |
| 171 | 4:17.88 | | | 4:08.11 | | Hanad Ahmed | | 2 | Idris Hamud | Hillingdon | Dagenham | 31 Oct 20 | |
| 172 | 4:18.46 | i | | 4:00.17 | | James Gracey | | 2 | | Beechmount | Abbotstown, IRL | 1 Feb 20 | |
| 173 | 4:18.65 | | | 4:08.88 | | Tom Rutherford | | 2 | Bryan Mackay | Durham | Hexham | 19 Sep 20 | |
| 174 | 4:18.67 | | | 4:12.44 | | Louis Berrett | | 2 | Russell Middleton | Havering | Hornchurch | 13 Sep 20 | |
| 175 | 4:18.94 | | | 4:01.59 | | Paul Carty | | 1 | | Lagan Valley | Belfast | 6 Aug 20 | |
| 176 | 4:19.3 | | | 4:08.86 | | Tom Rickards | | 1 | Rob McKim | Reading AC | Reading | 13 Sep 20 | |
| 177 | 4:19.37 | i | | 4:03.1 | | Jack Douglas | | 3 | Alison Wyeth | Charnwood | Sheffield | 15 Feb 20 | |
| 178 | 4:19.54 | | | 3:58.91 | | Callum Campion | | 2 | James Thie | Llanelli | Swansea | 20 Sep 20 | |
| 179 | 4:19.68 | | | 4:14.62 | | Olly Wilson | | 1 | Vanessa Hammett | Kingston & Poly | Battersea Park | 15 Sep 20 | |
| 180 | 4:19.87 | | | 3:59.20 | | Connor Marshall | | 3 | George Young | Morpeth | Morpeth | 6 Sep 20 | |
| 181 | 4:20.1 | | | 3:48.31 | | Ewan Spencer | | 3 | Philip O'Dell | Chesterfield | Cambridge | 6 Oct 20 | |
| 182 | 4:20.20 | i | | 4:20.20i | PB | Alexander McLeod | | 2 | | Falkirk | Emirates Arena | 5 Feb 20 | |
| 183 | 4:20.4 | | | 3:52.05 | | Steven Denby | | 3 | | City of Norwich | Exeter | 11 Mar 20 | |
| 184 | 4:20.41 | | | 4:17.99 | | Aaron Doyle | | 2 | | Vale Royal | Stretford | 19 Sep 20 | |
| 185 | 4:20.53 | | | 4:20.53 | PB | Thomas Porter | | 2 | Guy Holden | South London | Coulsdon | 10 Oct 20 | |
| 186 | 4:20.70 | | | 4:20.70 | PB | Alex Cunningham | | 3 | | Morpeth | Morpeth | 6 Sep 20 | |
| 187 | 4:20.95 | | | 4:06.85 | | Jacob Wood-Doyle | | 1 | Michael Doyle | Stockport | Stretford | 19 Sep 20 | |
| 188 | 4:21.02 | | | 3:55.47 | | Max Nicolle | | 2 | | Vale of Aylesbury | Yeovil | 4 Oct 20 | |
| 189 | 4:21.19 | | | 4:18.7 | | Adam Jones | | 4 | Mark Bleasdale | Liverpool Pembroke Sefton | Stretford | 3 Oct 20 | |
| 190 | 4:21.2 | | | 4:21.2 | PB | Callum Stedman | | 1 | | Dereham | Norwich | 26 Sep 20 | |
| 191 | 4:21.21 | | | 4:21.21 | PB | Callan Hogarth | | 1 | Jerome Vareille | Falkirk | Meadowmill | 13 Sep 20 | |
| 192 | 4:21.25 | | | 4:18.85 | | Alexander Bailey | | 1 | | Trafford | Stretford | 19 Sep 20 | |
| 193 | 4:21.32 | i | | 4:18.72i | | Joseph Haynes | | 1 | Mark Haynes | Armagh | Abbotstown, IRL | 1 Feb 20 | |
| 194 | 4:21.33 | | | 4:14.8 | | Devin Coombes | | 2 | Stephen Jones | Bridgend | Aberdare | 29 Aug 20 | |
| 195 | 4:21.66 | | | 4:14.64 | | Sam Ponter | | 1 | Charlotte Fisher | Taunton | Yeovil | 20 Sep 20 | |
| 196 | 4:21.88 | | | 4:21.88 | PB | Seth Furniss | | 3 | Peter Haynes | Southampton | Southampton | 5 Sep 20 | |
| 197 | 4:22.36 | | | 4:08.64 | | Joshua Dutton | | 1 | Ian Grime | Salford H | Stretford | 22 Aug 20 | |
| 198 | 4:22.81 | | | 4:22.81 | PB | Rhys Edwards | | 2 | | Ilford | Dagenham | 31 Oct 20 | |
| 199 | 4:23.2 | | | 4:10.63 | | Tom Henson | | 1 | Mick Graham | St. Edmund Pacers | Norwich | 26 Sep 20 | |
| 200 | 4:23.49 | i | | 4:21.2 | | Declan Connolly | | 1 | Conrad Milton | Windsor Slough Eton & Hounslow | Lee Valley | 15 Mar 20 | |
| 201 | 4:23.5 | | | 4:23.5 | PB | Jamie Frost | | 2 | | Erme Valley | Tavistock | 14 Oct 20 | |
| 202 | 4:23.56 | i | | 4:05.91i | | Calum Little | | 1 | Michael Wright | Falkirk | Emirates Arena | 5 Feb 20 | |
| 203 | 4:23.59 | | | 4:20.09 | | Dan Parkin | | 1 | | North Devon | Braunton | 13 Sep 20 | |
| 204 | 4:23.60 | | | 4:12.90 | | Justin Strover | | 1 | | Blackheath & Bromley | Bromley | 14 Sep 20 | |
| 205 | 4:23.6 | | | 4:18.5 | | Joseph Yee | | 3 | | Kent | Eltham | 16 Sep 20 | |
| 206 | 4:24.3 | | | 4:15.09 | | Galen Butler | | 2 | Sharon Edghill | Marshall Milton Keynes | Milton Keynes | 5 Sep 20 | |
| 207 | 4:24.70 | i | | 4:24.70i | PB | Josh Law | | 1 | Norrie Hay | Inverclyde | Emirates Arena | 5 Feb 20 | |
| 208 | 4:24.7 | | | 4:02.8 | | Leon Wheeler | | 2 | | Thurrock | Grays | 12 Sep 20 | |
| 209 | 4:24.90 | | | 4:13.88 | | Jamie Cooper | | 1 | Geoffrey James | Birchfield H | Nuneaton | 18 Sep 20 | |
| 210 | 4:25.0 | | | 4:16.9 | | Ben Rollings | | 2 | Rob McKim | Reading AC | Reading | 13 Sep 20 | |
| 4:06.09 | i | | 4:06.09i | PB | Matthew Neill | | 2 | | Acorns | Abbotstown, IRL | 1 Feb 20 | |
| 4:09.84 | | | 3:41.95 | | Callum Morgan | | 1 | | St. Malachy's | Belfast | 11 Sep 20 | |