| 400 U20 Men 2013 to 54.0 | Head to Head Top 10 |
| Rank | Perf | | | PB | | Name | | Year | Coach | Club | Venue | Date | |
| 1 | 46.77 | | | 45.45 | | George Caddick | | 3 | | Sale Harriers Manchester | Hendon | 3 Aug 13 |  |
| 2 | 47.14 | | | 46.21 | | Ben Snaith | | 1 | Mick Graham | Cambridge & Coleridge | Bedford | 16 Jun 13 | |
| 3 | 47.45 | i | | 46.74 | | Clovis Asong | | 2 | Keith Hunter | Sale Harriers Manchester | Birmingham | 24 Feb 13 | |
| UKA EUROPEAN U20 STANDARD: 47.50 |
| 4 | 47.56 | i | | 47.03 | | Alex Boyce | | 3 | Robert Roberts | Liverpool H | Birmingham | 24 Feb 13 | |
| 47.81 | | | | | | | | | | Cardiff | 31 Jul 13 | |
| 5 | 47.57 | | | 46.39 | | Elliot Rutter | | 2 | Daniel Cossins | Somerset Schs | Birmingham | 6 Jul 13 | |
 UK 10 TARGET: 47.80 |
| 6 | 47.85 | | | 47.85 | PB | Callum Roughneen | | 2 | John Smith | Sale Harriers Manchester | Bedford | 15 Jun 13 | |
| 7 | 47.91 | | | 47.91 | PB | Scott Atkinson | | 2 | Christopher Bedford | Wakefield | Bedford | 16 Jun 13 | |
| UKA WORLD U18 STANDARD: 48.00 |
| 8 | 48.0 | | | 46.35 | | Jack Crosby | | 2 | | Middlesbrough (Mandale) | Doncaster | 2 Jun 13 | |
| 48.03 | | | | | | | | | | Birmingham | 6 Jul 13 | |
| 9 | 48.06 | i | | 47.96 | | Josh Street | | 3 | Matthew Thomas | South London | Sheffield | 9 Feb 13 | |
| 10 | 48.11 | | | 48.11 | PB | Ryan Lee | | 1 | David Norton | Cardiff | Loughborough | 19 May 13 | |
| 11 | 48.12 | i | | 46.23 | | Owen Smith | | 2 | Caroline Sayer | Deeside AAC | Birmingham | 24 Feb 13 | |
| 48.66 | | | | | | | | | | Stretford | 23 Jul 13 | |
| 49.4 | | | | | | | | | | Wrexham | 28 Apr 13 | |
| 12 | 48.26 | | | 47.15 | | Nick Petrou | | 1 | John Baron | Leeds City | Spinkhill | 28 Jul 13 | |
| 13 | 48.31 | | | 48.31 | PB | Lolu Oluwole-Ojo | | 2 | Marina Armstrong | Windsor Slough Eton & Hounslow | Oordegem, BEL | 1 Jun 13 | |
| 13 | 48.31 | | | 47.13 | | Leon Reid | | 3 | James Hillier | Bristol & West | Exeter | 11 Aug 13 | |
| 15 | 48.32 | | | 48.32 | PB | Chris Stone | | 2 | Alastair Abrams | Bristol & West | Bedford | 15 Jun 13 | |
| 16 | 48.35 | | | 47.42 | | Joseph Reid | | 1 | Matt Elias | Manx | Bedford | 24 Aug 13 | |
| 17 | 48.37 | | | 47.32 | | Jack Wightman | | 1 | Laurence Garnham | Newquay & Par | Birmingham | 6 Jul 13 | |
| 18 | 48.52 | | | 48.27 | | George Gundle | | 3 | Mark Thomas | Oxford Uni | Cornell NY, USA | 6 Apr 13 | |
| 19 | 48.54 | | | 46.46 | | David Hall | | 2 | Ian Grant | Dartford H | Birmingham | 21 Sep 13 | |
| 20 | 48.59 | | | 47.53 | | Hodson Harding | | 3 | | | Kamloops, CAN | 21 Jul 13 | |
| 21 | 48.63 | | | 47.10 | | Kyle Langford | | 1 | George Harrison | Shaftesbury Barnet | Bromley | 2 Jun 13 | |
| 22 | 48.76 | i | | 43.44 | | Matthew Hudson-Smith | | 2 | Tony Hadley | Birchfield H | Birmingham | 3 Feb 13 | |
| 23 | 48.82 | | | 47.96 | | Sam Bedford | | 2 | | Wells City | Yeovil | 8 Jun 13 | |
| 24 | 48.84 | | | 48.84 | PB | Sam Malpass | | 1 | Jeffrey Nkrumah | Ilford | Chelmsford | 25 May 13 | |
| 25 | 48.87 | | | 48.66 | | Dereece O'Callaghan | | 1 | Jane Dixon | Shaftesbury Barnet | Basildon | 28 Apr 13 | |
| 26 | 48.9 | | | 51.50/48.9 | PB | Andrew Worden | | 2 | Peter Meredith | Cornwall AC | Par | 25 May 13 | |
| 27 | 49.05 | | | 47.89 | | Shawn Wright | | 2 | Gordon Robertson | Livingston | Spinkhill | 28 Jul 13 | |
| 28 | 49.1 | | | 49.18/49.1 | PB | James Gillingham | | 1 | Vespa Ellis | Basildon | Basildon | 20 Apr 13 | |
| 49.18 | | | | | | | | | | Liverpool | 3 Aug 13 | |
| 29 | 49.15 | | | 49.15 | PB | Edward Hall | | 2 | Iain Presnell | Tonbridge | Ashford | 26 May 13 | |
| 30 | 49.17 | i | | 47.84 | | Jacob Paul | | 2 | Marina Armstrong | Windsor Slough Eton & Hounslow | Birmingham | 23 Feb 13 | |
| 31 | 49.19 | | | 49.19 | PB | Ashley Langton | | 2 | John Blackshaw | Doncaster | Cudworth | 26 May 13 | |
| 32 | 49.21 | | | 49.21 | PB | Thomas Bray | | 2 | Richard Phelan | Huntingdonshire | Cambridge | 25 May 13 | |
| 32 | 49.21 | | | 49.18 | | Robbie Stenhouse | | 2 | Sonya Ellis | Jersey | Hamilton, BER | 18 Jul 13 | |
| 34 | 49.22 | | | 48.81 | | Sean Molloy | | 1 | Mark Hookway | Tonbridge | Tonbridge | 10 Aug 13 | |
| 35 | 49.23 | | | 49.23 | PB | Robert Allan | | 2 | | Crawley | Eton | 6 Jul 13 | |
| 36 | 49.25 | i | | 48.34 | | Joseph Kinsey | | 2 | Keith Holt | Birchfield H | Birmingham | 3 Feb 13 | |
| 37 | 49.35 | | | 48.65 | | Gavin Lock | | 2 | | Enfield & Haringey | Basildon | 28 Apr 13 | |
| 38 | 49.38 | | | 49.15 | | Theo Blundell | | 1 | Eddie Cockayne | Birchfield H | Birmingham | 8 Sep 13 | |
| 39 | 49.45 | | | 49.45 | PB | Michael Ferguson | | 2 | Ken Hogg | Banchory Stonehaven | Aberdeen | 25 Aug 13 | |
| 40 | 49.49 | | | 49.42 | | Nzimah Akpan | | 3 | Adrian Webb | Liverpool H | Stretford | 23 Jul 13 | |
| 41 | 49.55 | | | 48.20 | | Sam Plumb | | 3 | Nick Dakin | Newbury | Woking | 7 Aug 13 | |
| 42 | 49.56 | | | 49.51 | | Matt McLaughlin | | 2 | Ayo Falola | Woodford Green Essex Ladies | Hendon | 3 Aug 13 | |
| 43 | 49.58 | | | 49.58 | PB | Jack Goodband | | 1 | Joseph McDonnell ☘️ | Charnwood | Loughborough | 9 Jun 13 | |
| 44 | 49.6 | | | 49.15 | | Oliver Lithgow | | 3 | Donald Moss | Wigan & District | Wigan | 5 May 13 | |
| 50.45 | i | | | | | | | | | Sportcity | 15 Dec 13 | |
| 44 | 49.6 | | | 49.39/49.1 | | Josh Evans | | 1 | Sandra Woodman | Yate | Stoke | 7 Jul 13 | |
| 49.77 | | | | | | | | | | Cardiff | 28 Jul 13 | |
| 46 | 49.63 | | | 49.63 | PB | Daniel Petty | | 1 | Robert Grew | Exeter | Kingston | 6 Jul 13 | |
| 47 | 49.64 | | | 48.94 | | Jonathan Osbourne | | 3 | Marina Armstrong | Hercules Wimbledon | Kingston | 13 Jul 13 | |
| 48 | 49.66 | | | 47.03 | | Elliott Powell | | 1 | Glenys Morton | Leicester | Bedford | 15 Jun 13 | |
| 48 | 49.66 | | | 49.66 | PB | Liam Hebblethwaite | | 1 | David Pritchard | City of Stoke | Cardiff | 31 Jul 13 | |
| 50 | 49.67 | i | | 49.03 | | Anax Da Silva | | 2 | Helen Patricia James | Cardiff | Cardiff | 26 Jan 13 | |
| 51 | 49.70 | | | 49.53 | | Ewan Dyer | | 3 | Eric Simpson | Pitreavie | Edinburgh | 24 May 13 | |
| 51 | 49.70 | | | 48.34 | | Jake Wightman | | 3 | Geoff Wightman | Edinburgh AC | Sportcity | 2 Jun 13 | |
| 53 | 49.7 | | | 49.55 | | Linus Field | | 2 | Paul MacGregor | St. Mary's Richmond | Twickenham | 18 May 13 | |
| 50.06 | i | | | | | | | | | Lee Valley | 26 Jan 13 | |
| 50.20 | | | | | | | | | | Cardiff | 11 May 13 | |
| 54 | 49.74 | | | 49.74 | PB | Tom Earley | | 2 | Philip Oliver | Colwyn Bay | Cardiff | 29 Jun 13 | |
| 55 | 49.75 | i | | 48.68i | | Cameron Dixon | | 2 | Denis Doyle | Oswestry | Cardiff | 17 Feb 13 | |
| 55 | 49.75 | | | 48.88 | | Joe Robertshaw | | 1 | | Gateshead | Sportcity | 2 Jun 13 | |
| 57 | 49.76 | | | 49.76 | PB | Charlie Perry | | 3 | | Cambridge H | Eltham | 17 Jul 13 | |
| 58 | 49.84 | i | | 48.77 | | Jordan Bransberg | | 2 | Andrew Medley | Skyrac | Birmingham | 3 Feb 13 | |
| 49.91 | | | | | | | | | | Stretford | 11 Jun 13 | |
| 58 | 49.84 | | | 48.44i | | Daniel Heald | | 2 | Keith Hunter | Sale Harriers Manchester | Stretford | 23 Jul 13 | |
| 60 | 49.92 | | | 49.92 | PB | Richard Charles | | 3 | Noel Stoddart | Shaftesbury Barnet | Hendon | 28 Jul 13 | |
| 61 | 49.96 | | | 49.96 | PB | Joe Berth-Jones | | 2 | | Cambridge H | Eltham | 17 Jul 13 | |
| 62 | 49.97 | | | 48.93i | | Aiden Davies | | 1 | Bruce Bewley | Doncaster | Cudworth | 26 May 13 | |
| 63 | 50.00 | | | 49.09 | | Elliot Slade | | 2 | Arwyn Davies | Cardiff | Cardiff | 28 Jul 13 | |
| 64 | 50.0 | | | 49.33/49.2 | | Jamie Robinson | | 3 | Nick Radburn | Birchfield H | Birmingham | 28 Apr 13 | |
| 51.10 | | | | | | | | | | Bedford | 4 May 13 | |
| 65 | 50.01 | | | 46.80 | | Andrew Mellon | | 1 | Claire Scarth | North Down | Belfast | 15 Jun 13 | |
| 65 | 50.01 | | | 50.01 | PB | Neil Holloway | | 2 | Peter Barry | Harrow | Southampton | 10 Aug 13 | |
| 67 | 50.02 | | | 50.02 | PB | Chris McNaught | | 2 | Barry Edwards | Menai | Hamilton, BER | 17 Jul 13 | |
| 68 | 50.05 | | | 50.05 | PB | Jonny Monk | | 2 | William Winter | Leicester | Leicester | 25 May 13 | |
| 69 | 50.08 | | | 49.05 | | Reece Dimech | | 3 | Martin Brockman | Medway & Maidstone | Ashford | 26 May 13 | |
| 70 | 50.1 | | | 50.00 | | Joseph Lancaster | | 1 | | City of Sheffield | Rotherham | 5 May 13 | |
| 51.80 | | | | | | | | | | South Leeds | 2 Jun 13 | |
| 70 | 50.1 | | | 50.51/50.1 | PB | Tom Purton | | 2 | | Marshall Milton Keynes | Milton Keynes | 2 Jun 13 | |
| 50.51 | | | | | | | | | | Horspath | 25 May 13 | |
| 70 | 50.1 | | | 50.39/50.1 | PB | Sam Corsan | | 3 | | | Reading | 8 Jun 13 | |
| 50.39 | | | | | | | | | | Watford | 12 Jun 13 | |
| 70 | 50.1 | | | 49.78 | | Jarrod Skervin | | 3 | Grant Barker | Notts | Nottingham | 28 Jul 13 | |
| 50.11 | | | | | | | | | | Loughborough | 3 Jul 13 | |
| 74 | 50.11 | | | 50.11/50.1 | PB | Craig Morten | | 3 | David Hull | Blackheath & Bromley | Eton | 6 Jul 13 | |
| 75 | 50.12 | | | 48.41 | | Roy Shankland | | 2 | Graham Richmond | Kilmarnock | Grangemouth | 7 Jun 13 | |
| 76 | 50.18 | | | 48.38 | | James Webster | | 2 | Neville Jones | Warrington AC | Stretford | 11 May 13 | |
| UK 100 TARGET: 50.20 |
| 77 | 50.2 | | | 49.62 | | Ciaran Dunnion | | 2 | Everton Caines | Solihull & Small Heath | Leamington | 18 May 13 | |
| 50.43 | | | | | | | | | | Cardiff | 28 Apr 13 | |
| 77 | 50.2 | | | 49.99/49.6 | | Samuel Randall | | 1 | | Team Kennet | Reading | 26 May 13 | |
| 51.82 | i | | | | | | | | | Birmingham | 23 Feb 13 | |
| 51.84 | | | | | | | | | | Hendon | 11 Aug 13 | |
| 77 | 50.2 | | | 49.60/49.3 | | Robert Needham | | 3 | Trevor Muxlow | Charnwood | Sutton in Ashfield | 10 Aug 13 | |
| 80 | 50.23 | | | 50.23 | PB | Daniel Kelland | | 2 | Stephen Endacott | City of Plymouth | Exeter | 26 May 13 | |
| 81 | 50.30 | | | 50.30 | PB | Zenon Wisniewski | | 2 | John Smith | Sale Harriers Manchester | Sportcity | 2 Jun 13 | |
| 82 | 50.3 | | | 50.79/50.3 | PB | Andrew Cruickshank | | 2 | Phil Harries | Derby | Milton Keynes | 2 Jun 13 | |
| 50.79 | | | | | | | | | | Nottingham | 25 May 13 | |
| 82 | 50.3 | | | 50.40i/50.3 | PB | Yesper Adams | | 3 | Martin Owens | Cheltenham | Rugby | 2 Jun 13 | |
| 50.40 | i | | | | | | | | | Birmingham | 10 Feb 13 | |
| 50.62 | | | | | | | | | | Cheltenham | 6 May 13 | |
| 82 | 50.3 | | | 48.90 | | Charlie Baldwin | | 1 | | Worthing | Harrow | 14 Jul 13 | |
| 50.71 | | | | | | | | | | Abingdon | 10 Aug 13 | |
| 85 | 50.34 | | | 49.94/49.7 | | James McMurray | | 2 | Deborah Steer | St. Albans AC | Watford | 17 Apr 13 | |
| 86 | 50.37 | | | 45.86 | | Jamal Rhoden-Stevens | | 3 | | Herne Hill | Crystal Palace | 1 May 13 | |
| 87 | 50.38 | | | 50.38 | PB | Kevin Samuels | | 2 | | Wolverhampton & Bilston | Loughborough | 9 Jun 13 | |
| 88 | 50.4 | | | 49.91 | | Aaron Carter | | 2 | | Lewes | Lewes | 2 Jun 13 | |
| 51.27 | i | | | | | | | | | Birmingham | 23 Feb 13 | |
| 51.33 | | | | | | | | | | Crawley | 31 Mar 13 | |
| 88 | 50.4 | | | 52.05/50.4 | PB | Ashley Hart | | 1 | Geoffrey Barraclough | City of York | Rotherham | 30 Jun 13 | |
| 53.52 | | | | | | | | | | Wakefield | 6 Apr 13 | |
| 88 | 50.4 | | | 48.24 | | Will Snook | | 1 | Nat Fisher | Harlow AC | Sandy | 7 Sep 13 | |
| 50.77 | | | | | | | | | | Watford | 10 Jul 13 | |
| 91 | 50.41 | | | 50.41 | PB | Jack Robb | | 1 | Rachel Edgar | Fife | Wakefield | 30 Jun 13 | |
| 92 | 50.46 | | | 49.54 | | Liam MacDevitt | | 2 | Phillip Brickley | Reading AC | Crawley | 14 Apr 13 | |
| 93 | 50.47 | | | 50.47 | PB | David Omoregie | | 1 | Mike Guest | Cardiff | Cardiff | 28 Jul 13 | |
| 94 | 50.48 | | | 49.63 | | Dylan Doggett | | 1 | Bryn Percival | Cambridge & Coleridge | Cambridge | 25 May 13 | |
| 95 | 50.50 | i | | 50.50i | PB | Joe Houston | | 3 | | Leamington | Birmingham | 17 Feb 13 | |
| 51.6 | | | | | | | | | | Banbury | 28 Apr 13 | |
| 52.24 | | | | | | | | | | Bedford | 4 May 13 | |
| 96 | 50.5 | | | 50.11 | | Daniel Gurton | | 3 | Nick Taylor | Vale of Aylesbury | Perivale | 20 Apr 13 | |
| 96 | 50.5 | | | 50.54/50.5 | PB | Patrick Atkin | | 2 | Ben Frary | Cleethorpes | Hull | 25 May 13 | |
| 50.85 | | | | | | | | | | Birmingham | 21 Sep 13 | |
| 96 | 50.5 | | | 49.80/49.3 | | Elliot Wilson | | 1 | Peter Moore | Rotherham | Derby | 3 Aug 13 | |
| 99 | 50.56 | | | 47.76 | | Jamie Webb | | 3 | Adrian Webb | Liverpool H | Stretford | 23 Jul 13 | |
| 100 | 50.58 | | | 50.58 | PB | Jason Amartey | | 1 | Gary MacDonald Gray | Southampton | Tonbridge | 28 Jul 13 | |
| 101 | 50.6 | | | 46.75/46.4 | | Chris McAlister | | 1 | Marina Armstrong | Sutton & District | Abingdon | 18 May 13 | |
| 50.77 | | | | | | | | | | Kingston | 25 May 13 | |
| 101 | 50.6 | | | 50.20 | | Andrew Williams | | 2 | Raymond Twentyman | Liverpool Pembroke Sefton | Bebington | 25 May 13 | |
| 52.26 | i | | | | | | | | | Sheffield | 12 Jan 13 | |
| 52.86 | | | | | | | | | | Sportcity | 22 Jun 13 | |
| 101 | 50.6 | | | 49.29 | | Andrew Desmond | | 2 | Robert Roberts | Liverpool H | Bebington | 25 May 13 | |
| 51.36 | i | | | | | | | | | Sheffield | 12 Jan 13 | |
| 101 | 50.6 | | | 50.98/50.6 | PB | Adam Preston | | 1 | Stephen Wymark | Kingston upon Hull | Hull | 25 May 13 | |
| 50.98 | | | | | | | | | | Sportcity | 22 Jun 13 | |
| 101 | 50.6 | | | 49.57 | | Nathan Samuyiwa | | 1 | | Crawley | Lewes | 2 Jun 13 | |
| 50.70 | | | | | | | | | | Crawley | 26 Aug 13 | |
| 101 | 50.6 | | | 50.15 | | Lamiko Thomas | | 1 | Vicente Modahl | Sale Harriers Manchester | Stretford | 8 Jun 13 | |
| 50.89 | | | | | | | | | | Stretford | 13 Aug 13 | |
| 107 | 50.61 | | | 49.29 | | Matthew Jones | | 1 | | Oswestry | La Chaux-de-Fonds, SUI | 28 Aug 13 | |
| 108 | 50.62 | | | 50.62 | PB | Joshua Olawore | | 2 | Trevor Wells | Havering | Birmingham | 21 Sep 13 | |
| 109 | 50.63 | i | | 49.88/49.7 | | Jonathan Ketley | | 3 | Stephen King | Crawley | Sheffield | 24 Feb 13 | |
| 51.29 | | | | | | | | | | Bedford | 1 Jun 13 | |
| 109 | 50.63 | | | 50.63 | PB | Alex Morris | | 2 | Glenys Morton | Leicester | Bedford | 15 Jun 13 | |
| 109 | 50.63 | | | 50.63 | PB | Daniel Trueman | | 1 | Sally Brown | Stroud | Yate | 1 Sep 13 | |
| 112 | 50.64 | | | 49.96 | | Rhys Granville | | 1 | Delyth Brown | Carmarthen | Cardiff | 28 Apr 13 | |
| 112 | 50.64 | | | 50.64 | PB | Emmanuel Nanang | | 2 | Steven Surety | Basildon | Reading | 30 Jun 13 | |
| 114 | 50.7 | | | 51.92/50.7 | PB | Ollie Pilton | | 2 | | Yeovil | Yeovil | 12 May 13 | |
| 52.32 | | | | | | | | | | Street | 27 Apr 13 | |
| 114 | 50.7 | | | 47.70 | | Jordan Layne | | 1 | Paul Nash | Wycombe | Uxbridge | 15 Jun 13 | |
| 51.05 | | | | | | | | | | Horspath | 25 May 13 | |
| 114 | 50.7 | | | 50.14 | | Simeon Clarence | | 1 | Robert Hingley | Bromsgrove & Redditch | Gloucester | 10 Aug 13 | |
| 50.71 | | | | | | | | | | Birmingham (Un) | 29 May 13 | |
| 117 | 50.74 | | | 50.69 | | Luca Chiossone | | 1 | Ian Byett | Basingstoke & Mid Hants | Portsmouth | 26 May 13 | |
| 118 | 50.75 | | | 50.42i | | Finlay Murray | | 2 | John Davies | East Sutherland | Inverness | 30 Jun 13 | |
| 119 | 50.78 | | | 50.02i/49.8 | | Thomas Conant | | 2 | Bill Boyd | Corby | Birmingham | 22 Jun 13 | |
| 120 | 50.79 | | | 50.79 | PB | Patrick Mills | | 1 | | Rugby & Northampton | Cardiff | 28 Jul 13 | |
| 121 | 50.8 | | | 52.86/50.8 | PB | Shaun Wyllie | | 2 | | Bracknell AC | Bracknell | 20 Apr 13 | |
| 121 | 50.8 | | | 50.78/50.6 | | Alex Best | | 2 | Robert Grew | Horsham Blue Star | Mile End | 4 May 13 | |
| 51.59 | | | | | | | | | | Kingston | 13 Jul 13 | |
| 121 | 50.8 | | | 51.69/50.8 | PB | Nick Armstrong | | 1 | Jon Armstrong | Bexley | Lewes | 2 Jun 13 | |
| 51.84 | | | | | | | | | | Ashford | 28 Apr 13 | |
| 121 | 50.8 | | | 50.81i/50.8 | PB | Anthony Parkes | | 2 | Paul Tasker | Tamworth | Leamington | 30 Jun 13 | |
| 50.81 | i | | | | | | | | | Birmingham | 23 Feb 13 | |
| 121 | 50.8 | | | 51.45/50.8 | PB | Kieran Brown | | 1 | Everton Caines | Solihull & Small Heath | Wolverhampton | 28 Jul 13 | |
| 51.45 | | | | | | | | | | Leicester | 25 May 13 | |
| 121 | 50.8 | | | 50.24 | | Charles Carstairs | | 3 | | Lasswade | Kilmarnock | 4 Aug 13 | |
| 51.37 | | | | | | | | | | Grangemouth | 12 May 13 | |
| 121 | 50.8 | | | 51.07/50.8 | PB | Oliver Best | | 2 | Vespa Ellis | Basildon | Hemel Hempstead | 10 Aug 13 | |
| 51.07 | | | | | | | | | | Chelmsford | 25 May 13 | |
| 128 | 50.83 | i | | 50.74 | | Matthew Mayne | | 2 | | Cannock & Stafford | Birmingham | 23 Feb 13 | |
| 51.7 | | | | | | | | | | Stoke | 25 May 13 | |
| 129 | 50.88 | | | 50.88 | PB | Luke Fleming | | 2 | | Royal Sutton Coldfield | Leicester | 25 May 13 | |
| 130 | 50.9 | | | 51.19/50.9 | PB | Charlie Oakley | | 1 | | Reading AC | Reading | 26 May 13 | |
| 51.19 | | | | | | | | | | Basildon | 28 Apr 13 | |
| 130 | 50.9 | | | 51.15/50.9 | PB | Curtis Goodger | | 2 | David Goodger | Newport H | Corby | 7 Jul 13 | |
| 51.15 | | | | | | | | | | Newport | 1 Sep 13 | |
| 130 | 50.9 | | | 52.98/50.9 | PB | Kieran Rankin | | 1 | Gordon Bury | East Kilbride | Kilmarnock | 4 Aug 13 | |
| 52.98 | | | | | | | | | | Grangemouth | 21 Jul 13 | |
| 130 | 50.9 | | | 48.86 | | Stephen Ross | | 1 | Chris McCrum | Motherwell | Kilmarnock | 4 Aug 13 | |
| 51.84 | i | | | | | | | | | Emirates Arena | 2 Mar 13 | |
| 134 | 50.94 | | | 50.94 | PB | Tom Powell | | 2 | Graham Holmes | Ipswich | Hendon | 24 Aug 13 | |
| 135 | 50.95 | | | 50.95/50.8 | PB | George Hadler | | 1 | Tony Benton | Havering | Bromley | 18 May 13 | |
| 136 | 50.96 | | | 50.91 | | Dudley Mason | | 2 | | Southampton | Basingstoke | 17 Jul 13 | |
| 137 | 50.97 | i | | 49.22 | | Calum McWilliam | | 1 | Gordon Bury | Giffnock North | Emirates Arena | 7 Feb 13 | |
| 51.02 | | | | | | | | | | Wishaw | 12 May 13 | |
| 138 | 51.0 | | | 50.29/50.2 | | Ben Argent | | 2 | | Colchester H | Worthing | 18 May 13 | |
| 139 | 51.02 | | | 51.02/50.5 | PB | Jack Lynch | | 1 | | Southampton | Portsmouth | 26 May 13 | |
| 140 | 51.05 | | | 50.80 | | Rob Phillips | | 1 | Sandra Woodman | Yate | Yate | 25 May 13 | |
| 141 | 51.08 | | | 51.08 | PB | Toro Hinds | | 2 | | Somerset Schs | Yeovil | 8 Jun 13 | |
| 142 | 51.1 | | | 50.54 | | Kane Lee | | 2 | Neil Miller | Yate | Gloucester | 10 Aug 13 | |
| 51.52 | | | | | | | | | | Yate | 25 May 13 | |
| 143 | 51.19 | i | | 50.81 | | Alastair Stanley | | 1 | Sandy Robertson | Garscube | Emirates Arena | 2 Mar 13 | |
| 52.10 | | | | | | | | | | Grangemouth | 13 Jul 13 | |
| 143 | 51.19 | | | 50.71 | | Patrick Lucas | | 1 | Mike Fleet | Croydon | Bromley | 12 Aug 13 | |
| 145 | 51.2 | | | 50.70 | | Harry Baxter | | 2 | Mark Baddeley | Lincoln Wellington | Grantham | 16 Jun 13 | |
| 53.67 | | | | | | | | | | Loughborough | 3 Jul 13 | |
| 146 | 51.21 | i | | 50.46 | | Josiah Filleul | | 1 | Veronica Boden | City of Sheffield | Sportcity | 15 Dec 13 | |
| 147 | 51.26 | i | | 48.65/48.6 | | Ronnie Young | | 2 | Todd Bennett | Southampton | Birmingham | 23 Feb 13 | |
| 148 | 51.27 | | | 48.60 | | Peter De'Ath | | 2 | | Stevenage & North Herts | Hendon | 11 Aug 13 | |
| 149 | 51.28 | | | 50.76 | | Jack Gleave | | 2 | Philip Hicken | Warrington AC | Stretford | 23 Jul 13 | |
| 150 | 51.29 | | | 51.29 | PB | William Rotherforth | | 1 | | Wakefield | Wakefield | 30 Jun 13 | |
| 151 | 51.3 | | | 51.49/51.3 | PB | Edward Cherry | | 1 | | Kettering | Kettering | 9 Jun 13 | |
| 51.49 | | | | | | | | | | Birmingham | 22 Jun 13 | |
| 152 | 51.31 | i | | 49.01 | | Matthew Constable | | 2 | | Ipswich | Birmingham | 3 Feb 13 | |
| 152 | 51.31 | | | 51.31 | PB | Elliott Dorey | | 3 | Neville Taylor | Jersey | Yeovil | 11 May 13 | |
| 154 | 51.33 | | | 51.33 | PB | Joe Yarde | | 3 | Marina Armstrong | Windsor Slough Eton & Hounslow | Basildon | 28 Apr 13 | |
| 155 | 51.35 | | | 50.76 | | Ben Hawkins | | 1 | Charlotte Fisher | Taunton | Exeter | 4 Aug 13 | |
| 156 | 51.39 | i | | 51.39i | PB | Jamie Lewis | | 2 | | Giffnock North | Emirates Arena | 2 Mar 13 | |
| 51.74 | | | | | | | | | | Grangemouth | 19 May 13 | |
| 157 | 51.40 | i | | 51.40i | PB | Rhys Lloyd | | 1 | Andrew Beadle | Cheltenham | Birmingham | 10 Feb 13 | |
| 158 | 51.4 | | | 48.48 | | Kevin Hodgson | | 1 | | Bournemouth | Guildford | 4 May 13 | |
| 158 | 51.4 | | | 49.83 | | Edward Dodd | | 3 | Alex Budd | Eastbourne | Eastbourne | 13 Jul 13 | |
| 160 | 51.41 | | | 50.54 | | Alex Ruggles | | 1 | | Southampton | Southampton | 10 Aug 13 | |
| 161 | 51.44 | | | 51.44 | PB | Ben Everson | | 1 | Blake Ellis | Trafford | Stretford | 23 Jul 13 | |
| 162 | 51.48 | | | 50.59 | | Patrick Taylor | | 1 | Harry Czapski | Vale of Aylesbury | Horspath | 25 May 13 | |
| 163 | 51.50 | | | 50.62i/50.5 | | Charlie Walker | | 1 | Phil Banning | Cardiff | Swansea | 22 Jun 13 | |
| 164 | 51.5 | | | 52.32/51.5 | PB | Robbie Clarricoats | | 1 | Tony Benton | Havering | Lee Valley | 20 Apr 13 | |
| 52.32 | | | | | | | | | | Cardiff | 11 May 13 | |
| 164 | 51.5 | | | 51.68i/51.5 | PB | Jesse Roberts | | 3 | | Liverpool Pembroke Sefton | Stretford | 9 Jun 13 | |
| 51.68 | i | | | | | | | | | Sheffield | 12 Jan 13 | |
| 51.69 | | | | | | | | | | Sportcity | 22 Jun 13 | |
| 164 | 51.5 | | | 51.55/51.5 | PB | David Ajayi | | 3 | Segrid Ayers | Newham & Essex Beagles | Uxbridge | 15 Jun 13 | |
| 51.55 | | | | | | | | | | Reading | 30 Jun 13 | |
| 164 | 51.5 | | | 51.17/50.9 | | Kieran Royston | | 3 | Brian Burgin | Halifax | Cleckheaton | 7 Jul 13 | |
| 52.41 | | | | | | | | | | Gateshead | 15 May 13 | |
| 164 | 51.5 | | | 56.16/51.5 | PB | Tristan Peel | | 2 | | Jarrow & Hebburn | Hexham | 7 Jul 13 | |
| 169 | 51.52 | | | 51.52 | PB | Oliver Clarke | | 1 | | Millfield Sch | Yeovil | 8 Jun 13 | |
| 170 | 51.54 | i | | 51.15 | | Ryan Cooper | | 1 | Helen Patricia James | Cardiff | Birmingham | 23 Feb 13 | |
| 52.91 | | | | | | | | | | Cardiff | 29 Jun 13 | |
| 171 | 51.55 | | | 50.69i | | Jack McCloskey | | 1 | | City of Derry | Antrim | 17 May 13 | |
| 172 | 51.60 | i | | 51.60i | PB | Bert Rowett | | 2 | | Banbury | Birmingham | 10 Feb 13 | |
| 51.67 | | | | | | | | | | Horspath | 25 May 13 | |
| 51.8 | | | | | | | | | | Kettering | 9 Jun 13 | |
| 173 | 51.6 | | | 51.6 | PB | Samuel Gordon | | 2 | Thomas Meyer | Cardiff | Birmingham | 28 Apr 13 | |
| 173 | 51.6 | | | 53.52/51.6 | PB | Joel Molyneux | | 3 | | Barnsley AC | Lincoln | 9 Jun 13 | |
| 53.52 | | | | | | | | | | Sportcity | 22 Jun 13 | |
| 175 | 51.68 | | | 51.68 | PB | Sam Matanle | | 2 | | Wiltshire Schs | Exeter | 15 Jun 13 | |
| 176 | 51.69 | | | 51.69 | PB | Matthew Dixon | | 1 | Paul Waters | Wirral | Stretford | 13 Aug 13 | |
| 177 | 51.7 | | | 51.85/51.7 | PB | Vladimir Woodham-Smith | | 3 | | Belgrave | Battersea Park | 3 Jul 13 | |
| 177 | 51.7 | | | 51.61 | | Matthew Greenhow | | 2 | | Gateshead | Jarrow | 14 Aug 13 | |
| 177 | 51.7 | | | 50.41 | | Simon Wake | | 3 | | Herts Phoenix | Sandy | 7 Sep 13 | |
| 51.91 | | | | | | | | | | Milton Keynes | 10 Aug 13 | |
| 180 | 51.71 | | | 51.71 | PB | Zac Hart | | 1 | | Avon Schs | Yate | 8 Jun 13 | |
| 181 | 51.72 | i | | 51.48 | | Niall Curley | | 1 | | Pitreavie | Emirates Arena | 7 Feb 13 | |
| 52.74 | | | | | | | | | | Wakefield | 30 Jun 13 | |
| 53.0 | | | | | | | | | | Dunfermline | 7 Apr 13 | |
| 182 | 51.73 | | | 51.73 | PB | Gareth Lake | | 3 | | Aberdeen | Aberdeen | 18 Aug 13 | |
| 183 | 51.75 | i | | 49.03 | | Andrew Walshe | | 3 | Craig Winrow | Herts Phoenix | Sheffield | 23 Feb 13 | |
| 52.4 | | | | | | | | | | Welwyn | 2 Jun 13 | |
| 183 | 51.75 | | | 51.75 | PB | Callum Edwards | | 2 | Brian Durbidge | Arbroath & District | Aberdeen | 30 Jun 13 | |
| 183 | 51.75 | | | 49.68 | | Adam Jamson | | 1 | Joe Galvin | Leigh | Wakefield | 3 Aug 13 | |
| 186 | 51.76 | i | | 50.27 | | Matthew Antoniazzi | | 2 | James Thie | Cwmbran | Cardiff | 26 Jan 13 | |
| 187 | 51.80 | | | 51.30 | | Llyr Jamieson | | 2 | Delyth Brown | Carmarthen | Cardiff | 6 Jul 13 | |
| 188 | 51.8 | | | 52.37/51.8 | PB | Tom Burgess | | 1 | Alan Jones | Great Yarmouth | Norwich | 8 Jun 13 | |
| 52.47 | | | | | | | | | | Peterborough | 26 Aug 13 | |
| 188 | 51.8 | | | 52.19/51.8 | PB | Calen Brunning | | 1 | | Northumberland Schs | Middlesbrough | 15 Jun 13 | |
| 52.19 | | | | | | | | | | Gateshead | 8 Jun 13 | |
| 188 | 51.8 | | | 51.82/51.4 | | Cameron Barrows | | 2 | Lewis Samuel | City of Sheffield | Derby | 3 Aug 13 | |
| 188 | 51.8 | | | 50.30 | | Callum Drummond | | 1 | John McLaren | Shettleston | Crownpoint | 27 Aug 13 | |
| 52.17 | | | | | | | | | | Grangemouth | 3 Jul 13 | |
| 188 | 51.8 | i | | 50.46 | | Ewan Calder | | 1 | Trevor Madigan | Aberdeen | Emirates Arena | 15 Dec 13 | |
| 193 | 51.83 | i | | 50.77i | | Jonathan Hobbs | | 2 | Helen Patricia James | Cardiff | Cardiff | 13 Jan 13 | |
| 194 | 51.84 | | | 47.92 | | Jack Lawrie | | 1 | Norman Gardiner | Pitreavie | Grangemouth | 3 Jul 13 | |
| 195 | 51.9 | | | 51.30 | | Massi Dendani | | 3 | Dave Naylor | Havering | Lee Valley | 20 Apr 13 | |
| 195 | 51.9 | | | 48.43 | | Joshua Ingham | | 2 | Stephen James | Preston | Blackpool | 25 May 13 | |
| 52.57 | | | | | | | | | | Liverpool | 28 Apr 13 | |
| 195 | 51.9 | | | 52.54/51.9 | PB | Chris McGahan | | 2 | Paul Roden | Sale Harriers Manchester | Stretford | 8 Jun 13 | |
| 52.84 | | | | | | | | | | Stretford | 23 Jul 13 | |
| 195 | 51.9 | | | 50.79 | | Callum Brand | | 1 | | Cheltenham | Cheltenham | 30 Jun 13 | |
| 52.73 | | | | | | | | | | Cheltenham | 8 Jun 13 | |
| 195 | 51.9 | | | 51.65/51.1 | | Michael Goddard | | 1 | Gary Howells | Chiltern | Mile End | 30 Jun 13 | |
| 195 | 51.9 | | | 51.9 | PB | Marcel Brown | | 1 | Derek Fraser | Trafford | Wigan | 30 Jun 13 | |
| 195 | 51.9 | | | 51.9 | PB | Declan Toth | | 1 | | Poole Runners | Croydon | 28 Jul 13 | |
| 195 | 51.9 | | | 50.50 | | Jack Strachan | | 1 | | City of Norwich | Sandy | 7 Sep 13 | |
| 52.74 | i | | | | | | | | | Birmingham | 3 Feb 13 | |
| 52.78 | | | | | | | | | | Woodford | 28 Apr 13 | |
| 203 | 51.91 | i | | 50.36/49.8 | | Levi Curtis | | 3 | | Chesterfield | Birmingham | 3 Feb 13 | |
| 204 | 51.92 | | | 50.74 | | Luke Lorenzi | | 1 | Sandra Woodman | Yate | Cardiff | 28 Jul 13 | |
| 205 | 51.93 | i | | 51.93i | PB | Chris Churcher | | 3 | | Exeter Uni | Sheffield | 23 Feb 13 | |
| 52.00 | | | | | | | | | | Exeter | 30 Apr 13 | |
| 206 | 51.96 | | | 51.96 | PB | Jack Killip | | 3 | Noel Stoddart | Windsor Slough Eton & Hounslow | Birmingham (Un) | 29 May 13 | |
| 207 | 51.97 | | | 48.36 | | Ben Rochford | | 1 | Vaughan Tayler | Watford | Horspath | 15 Jun 13 | |
| 208 | 51.99 | | | 51.99 | PB | Jack Farmer | | 1 | | Thurrock | Chelmsford | 25 May 13 | |
| 209 | 52.0 | | | 52.0 | PB | Oliver Jones | | 2 | | Ipswich | Ipswich | 20 Apr 13 | |
| 209 | 52.0 | | | 52.47/52.0 | PB | Jake Hollins | | 3 | Alli Crossman | Kettering | Lee Valley | 24 Apr 13 | |
| 52.47 | | | | | | | | | | Lee Valley | 13 Apr 13 | |
| 209 | 52.0 | | | 54.12i/52.0 | PB | Christian Gaddes | | 2 | Tim Higman | St. Albans AC | Guildford | 30 Jun 13 | |
| 209 | 52.0 | | | 49.64 | | Greg Whitehouse | | 2 | Darren Lewis | Tipton | Leamington | 30 Jun 13 | |
| 209 | 52.0 | | | 52.16/52.0 | PB | Michael Porter | | 2 | Garry Porter | Colchester & Tendring | Ipswich | 14 Jul 13 | |
| 52.25 | | | | | | | | | | Watford | 10 Jul 13 | |
| 209 | 52.0 | | | 51.16 | | Luke Francis | | 1 | Christopher Harris | Bexley | Erith | 20 Jul 13 | |
| 52.74 | | | | | | | | | | Eltham | 22 May 13 | |
| 209 | 52.0 | i | | 51.97/51.6 | | Ben Steven | | 2 | | Ayr Seaforth | Emirates Arena | 15 Dec 13 | |
| 53.27 | | | | | | | | | | Linwood | 4 Aug 13 | |
| 216 | 52.05 | | | 49.99 | | Matthew Lee | | 2 | | Birchfield H | Bedford | 1 Jun 13 | |
| 217 | 52.06 | | | 52.03 | | Joe Hawkins | | 1 | Carlo Monticolombi | Invicta East Kent | Canterbury | 14 Aug 13 | |
| 218 | 52.08 | | | 52.08 | PB | Luke Townsend | | 1 | | Rugby & Northampton | Birmingham | 21 Sep 13 | |
| 219 | 52.09 | | | 52.09 | PB | Dan George | | 2 | | Rugby & Northampton | Birmingham | 10 Aug 13 | |
| 220 | 52.1 | | | 52.55i/52.1 | PB | Nathan Petherick | | 1 | David Pritchard | City of Stoke | Horspath | 28 Apr 13 | |
| 52.55 | i | | | | | | | | | Birmingham | 17 Feb 13 | |
| 53.97 | | | | | | | | | | Gateshead | 15 May 13 | |
| 220 | 52.1 | | | 52.1 | PB | Dylan Love | | 1 | Mark Baddeley | Lincoln Wellington | Lincoln | 21 Jul 13 | |
| 220 | 52.1 | | | 51.97/51.6 | | Kieran Lee | | 2 | Keith Fradley | City of Stoke | Nottingham | 28 Jul 13 | |
| 52.80 | | | | | | | | | | Stretford | 23 Jul 13 | |
| 223 | 52.11 | | | 52.11 | PB | Richard Brine | | 2 | Malcolm Brine | Leeds City | Stretford | 13 Aug 13 | |
| 224 | 52.12 | | | 52.12 | PB | Abraham Brown | | 3 | Peter Barry | Harrow | Milton Keynes | 18 May 13 | |
| 225 | 52.13 | | | 51.08/50.5 | | Rhys Lewis | | 1 | Catrina Lewis | Luton | Cambridge | 14 Jul 13 | |
| 226 | 52.15 | | | 51.23 | | Matthew Weeks | | 3 | | Bridgend | Cardiff | 2 Jun 13 | |
| 227 | 52.16 | | | 52.03 | | Oliver Tresise | | 3 | Bill Jewers | Basingstoke & Mid Hants | Hendon | 20 Jul 13 | |
| 228 | 52.18 | | | 52.18 | PB | Adam Willis | | 2 | Denise Peeney | Bexley | Sutton Valence | 30 Jun 13 | |
| 229 | 52.19 | | | 51.19/50.5 | | Kobefo Ntabejane | | 1 | | Sale Harriers Manchester | Stretford | 13 Aug 13 | |
| 230 | 52.2 | | | 52.2 | PB | Ali Haider | | 3 | | Rugby & Northampton | Wolverhampton | 18 May 13 | |
| 230 | 52.2 | | | 52.34/52.2 | PB | Lemarr Jean-Jacques | | 2 | | Bedford & County | Norwich | 15 Jun 13 | |
| 52.34 | | | | | | | | | | Watford | 12 Jun 13 | |
| 230 | 52.2 | | | 52.2 | PB | Luke Scott | | 2 | | Huntingdonshire | St. Ives | 15 Jun 13 | |
| 230 | 52.2 | | | 51.94/51.9 | | Ryan Spivey | | 1 | | East Grinstead | Crawley | 10 Aug 13 | |
| 52.67 | | | | | | | | | | Birmingham | 21 Sep 13 | |
| 234 | 52.23 | | | 51.89 | | Chris Hewitt | | 1 | | Radley | Abingdon | 20 Jul 13 | |
| 235 | 52.25 | | | 52.25/51.8 | PB | David Allan | | 2 | Piotr Haczek | Dunfermline Track & Field | Grangemouth | 12 May 13 | |
| 235 | 52.25 | | | 52.15 | | Calum Rowe | | 2 | | Southampton | Portsmouth | 26 May 13 | |
| 237 | 52.26 | | | 50.42i | | Daniel Lafferty | | 1 | Stephen Walker | Shettleston | Birmingham | 8 Sep 13 | |
| 238 | 52.27 | | | 51.71 | | Rocky Harrison | | 3 | | Yeovil | Woodford | 20 Apr 13 | |
| 239 | 52.30 | i | | 52.28 | | Jonathan Davies | | 3 | Everton Caines | Solihull & Small Heath | Birmingham | 3 Feb 13 | |
| 52.56 | | | | | | | | | | Leeds | 20 Apr 13 | |
| 52.6 | | | | | | | | | | Abingdon | 9 Jun 13 | |
| 240 | 52.3 | | | 54.93/52.3 | PB | Michael Costante | | 1 | | Notts | Horspath | 28 Apr 13 | |
| 240 | 52.3 | | | 52.3 | PB | J Shen | | 3 | | Berkshire Schs | Reading | 8 Jun 13 | |
| 240 | 52.3 | | | 51.40/51.0 | | Alexander Hobbs | | 1 | Alli Crossman | Guildford & Godalming | Guildford | 30 Jun 13 | |
| 52.72 | | | | | | | | | | Kingston | 25 May 13 | |
| 243 | 52.31 | | | 52.08 | | Aled Thomas | | 2 | Barry Edwards | Menai | Cardiff | 6 Jul 13 | |
| 243 | 52.31 | | | 50.60 | | Greg Williams | | 2 | Mark Pollard | Inverclyde | Aberdeen | 25 Aug 13 | |
| 245 | 52.33 | | | 52.33 | PB | Graeme Tinkler | | 1 | | Newton Abbot | Exeter | 21 Jul 13 | |
| 246 | 52.36 | | | 51.17 | | Magnus Blair | | 2 | | Orkney | Hamilton, BER | 17 Jul 13 | |
| 247 | 52.39 | i | | 52.39i | PB | Jamie Gemmell | | 2 | Iain McEwan | Whitemoss | Emirates Arena | 24 Feb 13 | |
| 247 | 52.39 | | | 51.33 | | Nicholas Hunt | | 1 | Erik Little | Southampton | Stoke | 3 Aug 13 | |
| 249 | 52.4 | | | 52.75i/52.4 | PB | Johnoi Josephs | | 2 | Marina Armstrong | Sutton & District | Kingston | 27 Apr 13 | |
| 249 | 52.4 | | | 52.85/52.4 | PB | Jack Hurst | | 2 | | Colchester & Tendring | Norwich | 12 May 13 | |
| 52.85 | | | | | | | | | | Chelmsford | 25 May 13 | |
| 249 | 52.4 | | | 52.68/52.4 | PB | John Jessop | | 1 | | Newark AC | Ashfield | 2 Jun 13 | |
| 52.68 | | | | | | | | | | Loughborough | 3 Jul 13 | |
| 249 | 52.4 | | | 51.5 | | Joe Saissi | | 2 | Stevan Dokic | Hillingdon | Perivale | 2 Jun 13 | |
| 249 | 52.4 | | | 53.65/52.4 | PB | Perry Offler | | 3 | | Notts | Yeovil | 2 Jun 13 | |
| 249 | 52.4 | | | 51.75/51.0 | | Scott Greeves | | 1 | Tim Ash | City of Norwich | Norwich | 8 Jun 13 | |
| 249 | 52.4 | | | 52.4 | PB | Jack Mason | | 2 | | Derbyshire Schs | Spinkhill | 8 Jun 13 | |
| 249 | 52.4 | | | 53.81/52.4 | PB | William Somogyi | | 1 | | Bexley | Salisbury | 15 Jun 13 | |
| 249 | 52.4 | | | 52.4 | PB | Matthew Axe | | 1 | Janet Nash | Wycombe | Lee Valley | 28 Jul 13 | |
| 258 | 52.42 | i | | 52.42i | PB | Gordon Wilson | | 1 | | Irvine | Emirates Arena | 7 Feb 13 | |
| 53.77 | | | | | | | | | | Linwood | 26 Jun 13 | |
| 259 | 52.43 | | | 51.46/51.2 | | Thomas Butcher | | 2 | Alli Crossman | London City AC | Watford | 21 Aug 13 | |
| 260 | 52.45 | | | 49.61/49.5 | | Carl Palin | | 3 | Tim Higman | St. Albans AC | Watford | 17 Apr 13 | |
| 261 | 52.46 | | | 52.46 | PB | Nathan Phillips | | 1 | Wynford Leyshon | Swansea | Cardiff | 6 Jul 13 | |
| 261 | 52.46 | | | 52.46 | PB | James Mackman | | 2 | Davide Fogu | Horsham Blue Star | Kingston | 13 Jul 13 | |
| 263 | 52.47 | | | 50.53 | | Andrew Keat | | 1 | Paul Roden | Bolton | Stretford | 13 Aug 13 | |
| 264 | 52.5 | | | 53.32/52.5 | PB | Josue Ngandu | | 1 | Pat Cornell | Ealing Southall & Middx | Perivale | 20 Apr 13 | |
| 53.32 | | | | | | | | | | Woodford | 18 May 13 | |
| 264 | 52.5 | | | 52.5 | PB | Conner Jeffery | | 1 | | New Forest Junior | Portsmouth | 2 Jun 13 | |
| 264 | 52.5 | | | 52.98/51.2 | | Daniel Bebbington | | 1 | Andy Bibby | Preston | Preston | 9 Jun 13 | |
| 264 | 52.5 | | | 51.61/50.6 | | Karl Challand | | 1 | | Darlington H | Darlington | 18 Jun 13 | |
| 52.65 | | | | | | | | | | Gateshead | 25 Aug 13 | |
| 264 | 52.5 | | | 51.12 | | Samuel Serwadda | | 2 | Jeffrey Nkrumah | Unattached | Harrow | 30 Jun 13 | |
| 52.83 | | | | | | | | | | Woodford | 28 Apr 13 | |
| 269 | 52.53 | | | 52.53 | PB | Benjamin Steele | | 2 | | Gateshead | Gateshead | 25 Aug 13 | |
| 270 | 52.57 | i | | 50.77i | | Jermaine Hamilton | | 1 | Darren Braithwaite | Orion | Lee Valley | 9 Feb 13 | |
| 271 | 52.58 | | | 51.80/51.3 | | Alexander Skidmore | | 3 | | Notts | Nottingham | 26 May 13 | |
| 272 | 52.6 | | | 55.74i/52.6 | PB | Alastair Madondo | | 1 | Catherine Muth | Bromsgrove & Redditch | Hereford | 28 Apr 13 | |
| 272 | 52.6 | | | 52.6 | PB | Cameron Laleye | | 1 | | Herts Phoenix | Welwyn | 2 Jun 13 | |
| 272 | 52.6 | | | 51.79 | | Kieran Russ | | 1 | | Daventry | Boston | 22 Jun 13 | |
| 52.68 | | | | | | | | | | Bedford | 1 Jun 13 | |
| 272 | 52.6 | | | 52.6 | PB | Juan del Azar | | 2 | | Bracknell AC | Bournemouth | 30 Jun 13 | |
| 272 | 52.6 | | | 51.05 | | Jonathan Currie | | 1 | Peter Venus | Tynedale | Hexham | 7 Jul 13 | |
| 52.66 | | | | | | | | | | Gateshead | 25 Aug 13 | |
| 272 | 52.6 | | | 52.6 | PB | Tom Harding | | 3 | | Tavistock | Plymouth | 28 Jul 13 | |
| 272 | 52.6 | | | 50.24 | | Dominic Chambers | | 1 | David Sunderland | Derby | Doncaster | 7 Sep 13 | |
| 272 | 52.6 | i | | 52.58/52.1 | | Jamie Cousin | | 1 | | Lasswade | Emirates Arena | 15 Dec 13 | |
| 280 | 52.62 | i | | 51.24 | | Robbie Cuthbert | | 2 | | Pitreavie | Emirates Arena | 2 Mar 13 | |
| 52.81 | | | | | | | | | | Kilmarnock | 20 Apr 13 | |
| 53.0 | | | | | | | | | | Dunfermline | 7 Apr 13 | |
| 281 | 52.64 | | | 52.64 | PB | Jack Donnelly | | 2 | | East Cheshire | Stretford | 2 Jul 13 | |
| 282 | 52.65 | | | 52.12 | | Mark Logan | | 2 | Sharon Morris | Birchfield H | Loughborough | 29 May 13 | |
| 283 | 52.66 | | | 52.63 | | William Stanley | | 1 | | Colchester H | Bromley | 15 Jun 13 | |
| 284 | 52.67 | | | 51.79 | | Samuel Afriyie | | 2 | Darren Braithwaite | Enfield & Haringey | Reading | 30 Jun 13 | |
| 285 | 52.68 | | | 49.94 | | Andrew McAslan | | 1 | Trevor Painter | Sale Harriers Manchester | Stretford | 13 Aug 13 | |
| 286 | 52.69 | | | 49.80 | | Nathan Petch | | 3 | Stewart Marshall | Coventry | Coventry | 24 Aug 13 | |
| 286 | 52.69 | | | 52.54 | | Christopher Threadgold | | 1 | | Epsom & Ewell | Crystal Palace | 4 Sep 13 | |
| 288 | 52.70 | | | 52.34 | | Tom Harding | | 1 | Philip Oliver | Colwyn Bay | Colwyn Bay | 4 Aug 13 | |
| 289 | 52.7 | | | 51.66/51.4 | | Adam Herring | | 1 | Clive Poyner | City of Norwich | Hemel Hempstead | 20 Apr 13 | |
| 53.36 | | | | | | | | | | Tonbridge | 28 Jul 13 | |
| 289 | 52.7 | | | 51.25i | | Matthew Fayers | | 3 | Stevan Dokic | Hillingdon | Uxbridge | 27 Apr 13 | |
| 289 | 52.7 | | | 51.85/51.5 | | Sam Harding | | 2 | | Wells City | Yeovil | 12 May 13 | |
| 52.90 | | | | | | | | | | Eton | 15 Jun 13 | |
| 289 | 52.7 | | | 52.7 | PB | Ryan Ennes | | 2 | | Springwell | Antrim | 17 May 13 | |
| 289 | 52.7 | | | 52.7 | PB | Jamaine Coleman | | 1 | Andy Bibby | Preston | Preston | 18 May 13 | |
| 289 | 52.7 | | | 51.90/51.2 | | Charlie Waterhouse | | 3 | | Notts | Yeovil | 2 Jun 13 | |
| 289 | 52.7 | | | 50.48 | | Jack Avery | | 2 | Steven Surety | Basildon | Hemel Hempstead | 10 Aug 13 | |
| 53.38 | | | | | | | | | | Hendon | 28 Jul 13 | |
| 289 | 52.7 | | | 52.07 | | Myles Lynch | | 1 | Stewart Marshall | Coventry | Newport | 10 Aug 13 | |
| 289 | 52.7 | i | | 51.60i | | Liam Halliday | | 1 | Kenneth Pearson | Central | Emirates Arena | 15 Dec 13 | |
| 298 | 52.71 | i | | 48.93 | | Alex Coomber | | 3 | Arwyn Davies | Cardiff | Cardiff | 13 Jan 13 | |
| 299 | 52.74 | | | 52.74 | PB | Adam Howarth | | 2 | Joe Galvin | Leigh | Stretford | 11 Jun 13 | |
| 299 | 52.74 | | | 52.08 | | Andrew Bowers | | 1 | Paul Pepler | Gloucester | Yate | 1 Sep 13 | |
| 301 | 52.75 | | | 52.11/51.3 | | Peter Conway | | 3 | | Cornwall AC | Bedford | 4 May 13 | |
| 302 | 52.78 | | | 52.78 | PB | Ciaran Turton | | 2 | | Edinburgh AC | Gateshead | 8 Jun 13 | |
| 302 | 52.78 | | | 52.60 | | Sam Meyler | | 1 | Paul Harrison | Daventry | Birmingham | 21 Sep 13 | |
| 304 | 52.79 | | | 52.79 | PB | Connor Mulcahy | | 1 | Colin Christie | Montrose & District | Aberdeen | 1 Sep 13 | |
| 305 | 52.8 | | | 52.86/52.8 | PB | Matthew Purnell | | 2 | | Deeside AAC | Connah's Quay | 12 May 13 | |
| 305 | 52.8 | | | 52.8 | PB | Matthew Elvidge | | 1 | Stephen Wymark | Kingston upon Hull | Rotherham | 30 Jun 13 | |
| 305 | 52.8 | | | 52.82/51.4 | | Nicholas Mbewe | | 1 | | Royal Sutton Coldfield | Sutton Coldfield | 10 Aug 13 | |
| 305 | 52.8 | | | 53.25i/52.8 | PB | Evan Cornforth | | 2 | Graham Richmond | Kilmarnock | Linwood | 21 Aug 13 | |
| 53.50 | | | | | | | | | | Linwood | 26 Jun 13 | |
| 309 | 52.85 | | | 49.28 | | Myles Durrant-Sutherland | | 2 | | Birchfield H | Cardiff | 28 Jul 13 | |
| 310 | 52.86 | | | 51.64 | | Jack Garrigan | | 1 | | Arbroath & District | Aberdeen | 30 Jun 13 | |
| 311 | 52.89 | | | 52.89 | PB | Oliver Terry | | 1 | | Jersey | Hamilton, BER | 17 Jul 13 | |
| 312 | 52.9 | | | 52.9 | PB | Sam Johnson | | 3 | | Leicestershire Schs | Leicester | 8 Jun 13 | |
| 313 | 52.92 | | | 52.92/51.3 | PB | Tunde Adelekan | | 2 | Gary Telfer | Harrow | Woodford | 28 Apr 13 | |
| 314 | 52.95 | i | | 52.87i | | Ugo Umekwe | | 3 | | Thames Valley | Lee Valley | 17 Mar 13 | |
| 315 | 52.96 | | | 48.56 | | Liam McGivern | | 1 | Nigel Evans | Wrexham | Newport | 1 Sep 13 | |
| 316 | 52.97 | | | 52.18 | | Kyle Conway | | 2 | Danny Gray | Sale Harriers Manchester | Stretford | 11 Jun 13 | |
| 316 | 52.97 | | | 52.97 | PB | Dylan Morrison | | 2 | Dianne Chisholm | Inverness | Inverness | 12 Jun 13 | |
| 318 | 53.00 | i | | 52.86 | | Ben Atkin-Porter | | 1 | | City of Sheffield | Sheffield | 12 Jan 13 | |
| 319 | 53.0 | | | 51.55/51.5 | | Liam Skyner | | 1 | Robert Roberts | Liverpool H | Liverpool | 13 Apr 13 | |
| 319 | 53.0 | | | 54.30/53.0 | PB | Romaine Harris | | 3 | | Enfield & Haringey | Lee Valley | 20 Apr 13 | |
| 319 | 53.0 | | | 55.82/53.0 | PB | William Paulson | | 2 | Christopher Frapwell | Stroud | Cheltenham | 25 May 13 | |
| 319 | 53.0 | | | 53.31i/53.0 | PB | Sam Johnson | | 2 | | Boston | Boston | 8 Jun 13 | |
| 319 | 53.0 | | | 50.47 | | Alexander Atkins | | 1 | | Dartford H | Kingston | 30 Jun 13 | |
| 53.23 | i | | | | | | | | | Lee Valley | 17 Mar 13 | |
| 319 | 53.0 | | | 52.93/51.6 | | Jack Hall | | 1 | Paul Tasker | Tamworth | Leamington | 30 Jun 13 | |
| 53.79 | i | | | | | | | | | Birmingham | 23 Feb 13 | |
| 319 | 53.0 | | | 53.48/53.0 | PB | Tom Boyers | | 3 | | Crewe & Nantwich | Bebington | 28 Jul 13 | |
| 53.48 | | | | | | | | | | Stretford | 11 May 13 | |
| 319 | 53.0 | | | 51.49 | | Sean Bosman | | 1 | | Liverpool Pembroke Sefton | Hyndburn | 10 Aug 13 | |
| 319 | 53.0 | | | 53.25/53.0 | PB | Alex Bell | | 3 | Everton Caines | Solihull & Small Heath | Sutton Coldfield | 10 Aug 13 | |
| 53.25 | | | | | | | | | | Birmingham (Un) | 26 Jun 13 | |
| 328 | 53.02 | | | 52.17 | | Andrew Wright | | 1 | Lawson Cochrane | Willowfield | Bangor | 4 Jun 13 | |
| 329 | 53.03 | | | 53.03 | PB | Sean Kinsella | | 2 | Stephen Carroll | Liverpool H | Sportcity | 2 Jun 13 | |
| 330 | 53.04 | | | 53.04 | PB | Joseph Pearse | | 1 | Bob Groves | Blackburn | Birmingham | 21 Sep 13 | |
| 331 | 53.08 | | | 50.44 | | Rob Hall | | 1 | Trevor Raggett | Aldershot, Farnham & District | Woking | 7 Aug 13 | |
| 332 | 53.09 | i | | 52.56/52.5 | | Toby Borthwick | | 2 | Alli Crossman | Guildford & Godalming | Lee Valley | 26 Jan 13 | |
| 54.0 | | | | | | | | | | Guildford | 4 May 13 | |
| 332 | 53.09 | | | 52.06 | | Ben Nelson | | 3 | Gordon Robertson | Inverness | Bedford | 4 May 13 | |
| 334 | 53.1 | | | 53.42/53.1 | PB | Tyler Selway | | 1 | Barry Ewington | Nuneaton | Nuneaton | 18 May 13 | |
| 334 | 53.1 | | | 52.29i | | Zak Lewis | | 1 | | Llanelli | Swansea | 25 May 13 | |
| 53.24 | | | | | | | | | | Newport | 18 May 13 | |
| 334 | 53.1 | | | 52.70 | | Isaac Scott | | 1 | Colin Gemson | Lancaster & Morecambe | Burnley | 9 Jun 13 | |
| 53.85 | | | | | | | | | | Stretford | 11 Jun 13 | |
| 334 | 53.1 | | | 53.20/52.8 | | Adam Nash | | 2 | | Hastings AC | Salisbury | 15 Jun 13 | |
| 53.20 | | | | | | | | | | Tonbridge | 13 Aug 13 | |
| 334 | 53.1 | | | 52.00/51.0 | | Adam Bateman | | 1 | Simon Mennell | Braintree | Colchester | 1 Sep 13 | |
| 339 | 53.11 | | | 52.28 | | Aled Price | | 1 | Edward Thompson | Carmarthen | Bedford | 1 Jun 13 | |
| 339 | 53.11 | | | 53.11 | PB | Bradley Barrett | | 1 | David Hull | Tonbridge | Tonbridge | 10 Aug 13 | |
| 341 | 53.13 | | | 53.13 | PB | Oliver Carrington | | 3 | Stuart Colledge | Newark AC | Loughborough | 3 Jul 13 | |
| 342 | 53.14 | | | 49.82 | | Justin Cooper | | 2 | Chris Kirk | Newcastle Uni | Kingston | 8 Jun 13 | |
| 343 | 53.16 | | | 53.03 | | Jacob Rainier | | 1 | Trevor Raggett | Aldershot, Farnham & District | Kingston | 25 May 13 | |
| 343 | 53.16 | | | 52.08/51.6 | | Gift McLaren | | 3 | | South London | Perivale | 7 Aug 13 | |
| 345 | 53.17 | i | | 53.12/52.8 | | Morgan Rees | | 1 | | Dartford H | Lee Valley | 26 Jan 13 | |
| 53.50 | | | | | | | | | | Ashford | 26 May 13 | |
| 346 | 53.19 | | | 50.73 | | George Huxley | | 3 | Piotr Spas | Ashford AC | Canterbury | 17 Jul 13 | |
| 347 | 53.20 | | | 51.13 | | Harry Hall | | 2 | | Taunton | Street | 27 Apr 13 | |
| 348 | 53.2 | | | 51.26/50.8 | | Jack Messenger | | 1 | | Winchester | Braunton | 20 Apr 13 | |
| 348 | 53.2 | | | 53.1 | | James Lamswood | | 2 | Andrew Railton | Kingston upon Hull | Grimsby | 27 May 13 | |
| 348 | 53.2 | | | 53.2 | PB | Niall Cullen | | 2 | Christopher Mulvaney | Southport Waterloo | Bebington | 9 Jun 13 | |
| 348 | 53.2 | | | 55.02/52.9 | | James Roberts | | 1 | Janet Nash | Wycombe | Uxbridge | 15 Jun 13 | |
| 348 | 53.2 | | | 53.12/52.8 | | Daumantas Dulius | | 2 | | London Heathside | Finsbury Park | 18 Jun 13 | |
| 348 | 53.2 | | | 51.33 | | Thomas Dold | | 2 | | Worcester | Worcester | 7 Jul 13 | |
| 348 | 53.2 | | | 52.34 | | Keiran Reilly | | 2 | | Edinburgh AC | Preston | 28 Jul 13 | |
| 348 | 53.2 | | | 53.68i/53.2 | PB | Rheon Jones | | 1 | Barry Edwards | Menai | Colwyn Bay | 25 Aug 13 | |
| 53.68 | i | | | | | | | | | Cardiff | 17 Feb 13 | |
| 356 | 53.22 | | | 53.22 | PB | Oliver Morris | | 1 | | Winchester | Portsmouth | 26 May 13 | |
| 357 | 53.25 | i | | 52.95 | | Ben McEwan | | 3 | Ivor Adams | Newport H | Cardiff | 13 Jan 13 | |
| 53.6 | | | | | | | | | | Coventry | 9 Jun 13 | |
| 357 | 53.25 | | | 51.77 | | Craig Brooks | | 1 | Walter Oliver | West Norfolk | Tonbridge | 28 Jul 13 | |
| 359 | 53.26 | | | 53.26/51.9 | PB | Calum Roots | | 1 | Alli Crossman | Guildford & Godalming | Eton | 15 Jun 13 | |
| 360 | 53.28 | i | | 51.02 | | John Ball | | 1 | Norrie Hay | Glasgow Sch of Sport | Emirates Arena | 3 Jan 13 | |
| 360 | 53.28 | | | 53.28 | PB | Matthew Bartlett | | 3 | Leroy Elliott | City of Portsmouth | Bromley | 15 Jun 13 | |
| 362 | 53.30 | | | 53.30 | PB | Harry Barton | | 1 | Dianne Chisholm | Inverness | Inverness | 25 May 13 | |
| 362 | 53.30 | | | 52.27 | | Max Davis | | 1 | | Camberley | Aldershot | 2 Jun 13 | |
| 364 | 53.3 | | | 50.70i | | Connor Makin | | 1 | Bob Groves | Blackburn | Blackpool | 25 May 13 | |
| 364 | 53.3 | | | 53.43/53.3 | PB | Isaac Cox | | 2 | | Basingstoke & Mid Hants | Crawley | 22 Jun 13 | |
| 53.64 | | | | | | | | | | Birmingham | 21 Sep 13 | |
| 366 | 53.32 | i | | 51.06i | | Joel Buckett | | 1 | David Buckett | Crawley | Lee Valley | 26 Jan 13 | |
| 53.7 | | | | | | | | | | Lewes | 2 Jun 13 | |
| 53.98 | | | | | | | | | | Crawley | 31 Mar 13 | |
| 366 | 53.32 | | | 53.32 | PB | Niki Faulkner | | 2 | Jon Armstrong | Bexley | Sutton Valence | 30 Jun 13 | |
| 368 | 53.33 | | | 53.33 | PB | Chakkri Phromchantha | | 3 | Steve Ingram | Swansea | Cardiff | 28 Jul 13 | |
| 369 | 53.36 | i | | 53.36i | PB | Alan Curtis | | 1 | | Ballymena & Antrim | Magherafelt | 9 Feb 13 | |
| 369 | 53.36 | | | 51.63 | | David Fisher | | 1 | | Southampton | Tonbridge | 28 Jul 13 | |
| 371 | 53.37 | i | | 53.37i/53.2 | PB | Brandon Millward | | 1 | David Pritchard | City of Stoke | Birmingham | 17 Feb 13 | |
| 372 | 53.4 | | | 54.06/53.4 | PB | Ben Mills | | 2 | | City of Portsmouth | Portsmouth | 20 Apr 13 | |
| 372 | 53.4 | | | 54.15/53.4 | PB | Nathan Finnis | | 1 | | Macclesfield | Macclesfield | 8 Jun 13 | |
| 372 | 53.4 | | | 53.4 | PB | Michael Bland | | 2 | Barry Edwards | Menai | Colwyn Bay | 25 Aug 13 | |
| 375 | 53.41 | | | 53.41 | PB | Will Preston | | 3 | | Somerset Schs | Yeovil | 8 Jun 13 | |
| 376 | 53.46 | i | | 53.00/52.6 | | Jamie Robinson | | 1 | | Victoria Park City of Glasgow | Emirates Arena | 2 Mar 13 | |
| 53.71 | | | | | | | | | | Grangemouth | 7 Jun 13 | |
| 377 | 53.47 | | | 53.37/53.2 | | Chris Waite | | 1 | | Gateshead | Gateshead | 25 May 13 | |
| 377 | 53.47 | | | 51.44/50.5 | | Mitchell Turner | | 1 | | Tipton | Birmingham (Un) | 29 May 13 | |
| 379 | 53.48 | | | 52.61i | | Thomas Howlett | | 2 | | Dartford H | Bedford | 1 Jun 13 | |
| 380 | 53.50 | i | | 53.50i | PB | Joseph Epps | | 1 | Mick Bond | Cambridge H | Lee Valley | 17 Mar 13 | |
| 381 | 53.5 | | | 53.5 | PB | M Kerring | | 3 | | Norfolk Schs | Norwich | 8 Jun 13 | |
| 381 | 53.5 | | | 53.5 | PB | Mark McGarvey | | 2 | | City of Derry | Londonderry | 4 Jul 13 | |
| 381 | 53.5 | | | 48.58 | | Harrison Pocock | | 1 | Leroy Elliott | City of Portsmouth | Portsmouth | 28 Jul 13 | |
| 53.70 | | | | | | | | | | Basingstoke | 17 Jul 13 | |
| 384 | 53.51 | | | 52.65 | | Michael Fernie | | 3 | Keith Ridley | Edinburgh AC | Aberdeen | 25 Aug 13 | |
| 385 | 53.56 | | | 53.02 | | Callum Hunter | | 1 | Mark Pollard | Inverclyde | Linwood | 26 Jun 13 | |
| 386 | 53.58 | | | 53.58 | PB | Robert Faulkner | | 1 | | Nuneaton | Leicester | 25 May 13 | |
| 387 | 53.59 | | | 50.83 | | Seumas Thomson | | 2 | Keith Ridley | Edinburgh AC | Edinburgh | 5 Jun 13 | |
| 387 | 53.59 | | | 53.59/52.8 | PB | Matthew Nicholson | | 3 | Simon Goodwin | Bedford & County | Bournemouth | 6 Jul 13 | |
| 389 | 53.6 | | | 54.39i/52.0 | | Chris Williams | | 1 | | Seaton | Carlisle | 8 Jun 13 | |
| 389 | 53.6 | | | 54.32/53.6 | PB | Josh Freed | | 1 | John Clements | Brighton & Hove | Crawley | 8 Jun 13 | |
| 389 | 53.6 | | | 54.32i/53.6 | PB | Tom Metcalf | | 1 | Keith Palmer | Southend | Chelmsford | 23 Jun 13 | |
| 389 | 53.6 | | | 54.59i/52.8 | | William Ridgway | | 1 | Norma Harris | Stevenage & North Herts | Eltham | 30 Jun 13 | |
| 389 | 53.6 | | | 56.41/53.6 | PB | Simon Pick | | 2 | | Doncaster | Rotherham | 30 Jun 13 | |
| 389 | 53.6 | | | 55.09i/53.6 | PB | Declan Snape | | 1 | Carl Foster | Wigan & District | Salford | 7 Jul 13 | |
| 389 | 53.6 | | | 53.6 | PB | Sam Bedwell | | 3 | David Bedwell | Bristol & West | Yate | 8 Sep 13 | |
| 389 | 53.6 | i | | 57.44/53.6i | PB | Michael Thomson | | 1 | Bob McCrum | Motherwell | Emirates Arena | 15 Dec 13 | |
| 397 | 53.61 | i | | 53.61i | PB | Adam Nixon | | 3 | | Aberdeen | Emirates Arena | 2 Mar 13 | |
| 397 | 53.61 | | | 53.61 | PB | Logan Reese | | 3 | | Banchory Stonehaven | Aberdeen | 30 Jun 13 | |
| 399 | 53.62 | i | | 53.62i | PB | Oliver Hay | | 1 | Ken Hogg | Aberdeen | Emirates Arena | 7 Feb 13 | |
| 400 | 53.67 | | | 53.67 | PB | Mutara Sheriff | | 2 | | St. Mary's Richmond | Woodford | 2 Jul 13 | |
| 400 | 53.67 | | | 53.67 | PB | Alex O'Brien | | 1 | Philip Sergeant | Chelmsford | Birmingham | 21 Sep 13 | |
| 402 | 53.68 | | | 51.13 | | Owen Stepney | | 2 | Bernard Wilkins | Abingdon | Horspath | 19 Jun 13 | |
| 403 | 53.69 | | | 50.59 | | Matthew Curtis | | 1 | | Wimborne | Birmingham | 21 Sep 13 | |
| 404 | 53.7 | | | 52.01i | | James Taylor | | 2 | Donald Moss | Wigan & District | Wigan | 14 Apr 13 | |
| 404 | 53.7 | | | 54.16/52.7 | | Matthew Gordon | | 3 | Michael Williams | Havant | Winchester | 28 Apr 13 | |
| 404 | 53.7 | | | 54.19/53.7 | PB | Alex Kiziltas | | 2 | Derek Newton | Blackpool, Wyre & Fylde | Blackburn | 5 May 13 | |
| 404 | 53.7 | | | 53.48 | | Gareth Surman | | 1 | Phil Harries | Derby | Milton Keynes | 2 Jun 13 | |
| 404 | 53.7 | | | 52.60 | | Jacob Preece | | 1 | Paul Darney | Cardiff | Cheltenham | 30 Jun 13 | |
| 404 | 53.7 | | | 53.7 | PB | Alex Gillies | | 1 | | Harrogate | Cleckheaton | 30 Jun 13 | |
| 404 | 53.7 | | | 55.11/50.1 | | Adrian Bailes | | 2 | Thomas Millmore | Birtley | Whitley Bay | 7 Jul 13 | |
| 404 | 53.7 | | | 51.4 | | Stephen Jones | | 3 | Paul Waters | Wirral | Bebington | 28 Jul 13 | |
| 412 | 53.72 | | | 50.77 | | Christopher Zah | | 3 | Chris Zah | Victoria Park & Tower Hamlets | Crystal Palace | 4 Sep 13 | |
| 413 | 53.74 | | | 52.89 | | Louis Wrigley | | 3 | | City of Stoke | Stretford | 13 Aug 13 | |
| 414 | 53.75 | | | 53.75 | PB | James Williamson | | 1 | Mark Hookway | Tonbridge | Tonbridge | 2 Jul 13 | |
| 415 | 53.78 | | | 50.33 | | Andrew Murphy | | 2 | Sandy Ewen | Kilbarchan | Grangemouth | 13 Jul 13 | |
| 416 | 53.79 | | | 52.44 | | Bashir Mohamed | | 2 | Clarence Callender | Thames Valley | Hendon | 24 Aug 13 | |
| 417 | 53.8 | | | 52.06 | | Zac Howe | | 3 | Stuart Swann | Blackburn | Blackburn | 30 Jun 13 | |
| 417 | 53.8 | | | 54.37/53.8 | PB | Will Davis | | 1 | | Rotherham | Rotherham | 30 Jun 13 | |
| 417 | 53.8 | | | 56.95/53.8 | PB | Sandy Kelly | | 1 | Andy Bibby | Preston | Sportcity | 7 Jul 13 | |
| 420 | 53.85 | | | 53.85/53.3 | PB | Callum Marshall | | 2 | Earl Herbert | Windsor Slough Eton & Hounslow | Bromley | 2 Jun 13 | |
| 421 | 53.86 | | | 53.86 | PB | Phelan Karimupfumbi | | 3 | | West Midlands Schs | Gateshead | 15 May 13 | |
| 422 | 53.88 | | | 53.02 | | Jacob Lane | | 1 | June Plews | Ashford AC | Birmingham | 21 Sep 13 | |
| 423 | 53.9 | | | 54.74/53.5 | | Ben Wright | | 2 | | Tamworth | Banbury | 28 Apr 13 | |
| 423 | 53.9 | | | 52.49 | | Adam Hoyles | | 1 | Edwin Shaw | East Cheshire | Ellesmere Port | 28 Apr 13 | |
| 423 | 53.9 | | | 53.37 | | Eliot Green | | 2 | | Team Bath | Yate | 19 May 13 | |
| 423 | 53.9 | | | 52.03i | | Matthew Salkeld | | 1 | Stewart Marshall | Border | Carlisle | 8 Jun 13 | |
| 423 | 53.9 | | | 55.47/53.9 | PB | Tijeanne Bartley | | 1 | Scott Grace | Vale of Aylesbury | Mile End | 28 Jul 13 | |
| 423 | 53.9 | | | 52.38 | | Ross Hill | | 2 | Patrick Kelly | Law | Wishaw | 24 Aug 13 | |
| 429 | 53.91 | i | | 52.33 | | Ryan McIlroy | | 1 | | Ballymena & Antrim | Athlone, IRL | 23 Mar 13 | |
| 430 | 53.92 | | | 53.92 | PB | Taylor Nimmo | | 1 | | Falkirk | Grangemouth | 13 Jul 13 | |
| 430 | 53.92 | | | 52.98 | | Ted Ntibazonkiza | | 1 | Rob Denmark | Enfield & Haringey | Watford | 21 Aug 13 | |
| 432 | 53.95 | | | 53.95 | PB | Josh Evans | | 3 | Deborah Keenleyside | Dacorum | Watford | 10 Jul 13 | |
| 433 | 53.96 | | | 53.96 | PB | Alex Howard | | 2 | Mark Hookway | Tonbridge | Tonbridge | 2 Jul 13 | |
| 434 | 53.97 | | | 52.04 | | Matt Holmes | | 3 | Vicente Modahl | Sale Harriers Manchester | Stretford | 13 Aug 13 | |
| 435 | 53.98 | | | 53.98 | PB | Milo Gayle | | 1 | | Isle of Wight | Ajaccio, FRA | 22 May 13 | |
| 435 | 53.98 | | | 53.98 | PB | Connor Thomas | | 1 | | Herne Hill | Kingston | 25 May 13 | |
| 437 | 54.0 | | | 53.26/53.2 | | Samuel Nicholls | | 1 | Shaun Ainge | Cannock & Stafford | Nottingham | 7 Apr 13 | |
| 437 | 54.0 | | | 55.91/54.0 | PB | Nikolaj Schubert | | 2 | Richard Holt | Kingston & Poly | Bromley | 28 Apr 13 | |
| 437 | 54.0 | | | 53.43 | | Chris Hilton | | 2 | | St. Albans AC | St. Albans | 18 May 13 | |
| 437 | 54.0 | | | 54.12i/53.9 | | Jake Lacey | | 1 | Andy Mitchell | Sutton-in-Ashfield | Ashfield | 2 Jun 13 | |
| 437 | 54.0 | | | 53.71/51.7 | | Darren Blackwell | | 1 | | Chelmsford | Chelmsford | 2 Jun 13 | |
| 437 | 54.0 | | | 54.0 | PB | George Jackson | | 3 | | Leicestershire Schs | Leicester | 8 Jun 13 | |
| 437 | 54.0 | | | 52.69/52.5 | | Liam Slater | | 1 | Thomas Reed | Longwood | Cleckheaton | 7 Jul 13 | |
| 437 | 54.0 | | | 54.21/52.9 | | Callum Biddle | | 2 | | Reading AC | Reading | 1 Sep 13 | |
| 437 | 54.0 | | | 54.28/54.0 | PB | Jamie Pratt | | 1 | John Abbiss | Wolverhampton & Bilston | Telford | 14 Sep 13 | |
| 46.90 | | | 45.14 | | Victor-Ricardo Dos Santos Soares | | 2 | Linford Christie | Thames Valley | Gainesville FL, USA | 20 Apr 13 | |
| 47.30 | | | 45.41 | | Sadam Koumi | | 3 | Keith Holt | Birchfield H | Sportcity | 8 Jun 13 | |
| 48.6 | | | 48.6 | PB | Elnaseir Abdelrahman | | 3 | | Birchfield H | Cheltenham | 7 Jul 13 | |
| 48.84 | | | 48.84 | PB | Demetric Nelson | | 3 | Keith Daniel | Bingley | Cleckheaton | 8 Sep 13 | |
| 49.34 | | | 49.34 | PB | Louis Rawlings | | 1 | | Cambridge & Coleridge | Cambridge | 25 May 13 | |
| 49.5 | | | 48.81/48.8 | | Omar Grant | | 2 | Barrington King | Harrow | Harrow | 20 Apr 13 | |
| 49.64 | | | 49.64 | PB | Nicholas Landeau | | 2 | Steve Mann | Ealing Southall & Middx | Watford | 21 Aug 13 | |
| 52.34 | | | 52.34 | PB | Christian Robinson | | 1 | | City of Lisburn | Tullamore, IRL | 10 Aug 13 | |