| 400 U23 Men 2012 to 53.0 | Head to Head Top 10 |
| Rank | Perf | | | PB | | Name | | DOB | Coach | Club | Venue | Date | |
| 1 | 45.77 | | | 45.77 | PB | Louis Persent | | 18.07.90 | Stephen Garnham | Colchester H | Geneva, SUI | 2 Jun 12 |  |
| 2 | 45.99 | | | 45.99 | PB | Jack Green | | 06.10.91 | Malcolm Arnold | Kent | Crystal Palace | 14 Jul 12 |  |
| 3 | 46.00 | | | 46.00 | PB | Jarryd Dunn | | 30.01.92 | Keith Holt | Birchfield H | Birmingham | 23 Jun 12 |  |
| 4 | 46.02 | | | 45.59 | | Chris Clarke | | 25.01.90 | Nick Dakin | Marshall Milton Keynes | Walnut CA, USA | 21 Apr 12 |  |
| 5 | 46.52 | | | 46.52 | PB | Michael Warner | | 29.11.90 | Grant Barker | Notts | Glasgow | 30 Jun 12 |  |
| 6 | 46.74 | i | | 46.74i | PB | James Forman | | 12.12.91 | Andy Forman | Isle of Wight | Birmingham | 19 Feb 12 |  |
| 7 | 46.76 | | | 46.76 | PB | Tim Burn | | 29.07.90 | Martyn Jones | City of Sheffield | Liverpool | 18 Aug 12 |  |
| 8 | 46.99 | | | 46.99 | PB | Sebastian Rodger | | 29.06.91 | Steve King | Shaftesbury Barnet | Hendon | 21 Jul 12 |  |
| 9 | 47.00 | | | 47.00 | PB | Harry Doran | | 23.12.90 | Raymond Twentyman | Liverpool Pembroke Sefton | Hendon | 28 Jul 12 |  |
| 10 | 47.10 | | | 47.10 | PB | Richard Morrissey | | 11.01.91 | Chris Zah | Havering Mayesbrook | Azusa CA, USA | 20 Apr 12 |  |
| 11 | 47.17 | | | 47.17 | PB | Dan Putnam | | 30.12.91 | Jared Deacon | Blackheath & Bromley | Derby | 28 Jul 12 |  |
| 12 | 47.68 | | | 47.68 | PB | David Guest | | 08.11.91 | Mike Guest | Bridgend | Loughborough | 7 Jul 12 |  |
| 13 | 47.92 | | | 47.92 | PB | Markus Hunt | | 30.10.90 | Brian MacKenzie | Chelmsford | Olympic Park | 7 May 12 |  |
| 14 | 47.99 | | | 47.72 | | Luke Edwards | | 03.09.90 | | City of Sheffield | Liverpool | 18 Aug 12 |  |
| 15 | 48.00 | | | 48.00 | PB | Guy Learmonth | | 20.04.92 | George Gandy | Lasswade | Glasgow (S) | 3 Jun 12 |  |
| 16 | 48.0 | | | 48.02/48.0 | PB | Stewart Challis | | 26.12.91 | Neil Dodson | Windsor Slough Eton & Hounslow | Hendon | 28 Jul 12 |  |
| 48.02 | | | | | | | | | | Lee Valley | 27 May 12 |  |
| 17 | 48.01 | | | 47.83 | | Sam Peters | | 18.06.90 | Paul Batten | Exeter | Olympic Park | 7 May 12 |  |
| 18 | 48.05 | | | 48.05 | PB | Efekemo Okoro | | 21.02.92 | Simon Duberley | Birchfield H | Hendon | 30 Jun 12 |  |
| 19 | 48.08 | | | 48.08 | PB | Lumar Sylvester | | 13.07.91 | Clarence Callender | Thames Valley | Irvine CA, USA | 29 Apr 12 |  |
| 20 | 48.1 | | | 48.1 | PB | Theo Campbell | | 14.07.91 | Paul Weston | Bristol & West | Cheltenham | 5 May 12 |  |
| 21 | 48.16 | | | 48.16 | PB | Zach King | | 03.11.92 | | Notts | Bromley | 18 Aug 12 |  |
| 22 | 48.17 | i | | 47.37 | | Niall Flannery | | 26.04.91 | Nick Dakin | Gateshead | Sheffield | 26 Feb 12 |  |
| 48.34 | | | | | | | | | | Loughborough | 28 Apr 12 |  |
| 49.3 | | | | | | | | | | Hendon | 28 Jul 12 |  |
| 23 | 48.22 | | | 48.22 | PB | Anthony Young | | 14.09.92 | John Macdonald | Pitreavie | Bedford | 25 Aug 12 |  |
| 24 | 48.35 | | | 48.35/48.3 | PB | Andrew Kendall | | 29.01.90 | Claire Tompsett | Crawley | Birmingham | 2 Jun 12 |  |
| 25 | 48.36 | | | 48.36 | PB | Mo Abdullahi | | 31.01.91 | Terence Price | City of Portsmouth | Olympic Park | 6 May 12 |  |
| 26 | 48.42 | | | 48.10 | | Ashley Bryant | | 17.05.91 | Ian Grant | Windsor Slough Eton & Hounslow | Desenzano del Garda, ITA | 5 May 12 |  |
| 27 | 48.46 | | | 47.53 | | Christian Byron | | 20.12.92 | Tony Hadley | Birchfield H | Birmingham | 3 Jun 12 |  |
| 28 | 48.5 | | | 47.99 | | Ben Sturgess | | 17.01.92 | Mike Leonard | Marshall Milton Keynes | Walton | 9 Jun 12 |  |
| 48.59 | | | | | | | | | | Peterborough | 21 Apr 12 |  |
| 29 | 48.67 | | | 48.67 | PB | Ross Allen | | 12.08.91 | Darrell Maynard | Rugby & Northampton | Birmingham | 8 Jul 12 |  |
| 29 | 48.67 | | | 48.67 | PB | Tyler Johnson | | 24.12.91 | Ronald Blank | City of Plymouth | Derby | 28 Jul 12 |  |
| 31 | 48.69 | | | 48.58 | | Martyn Paterson | | 31.12.92 | Stuart Hogg | Shaftesbury Barnet | Liverpool | 18 Aug 12 |  |
| 32 | 48.7 | | | 48.7 | PB | Liam Clowes | | 23.12.92 | Steven Walker | Crewe & Nantwich | Salford | 5 May 12 |  |
| 33 | 48.75 | | | 48.75 | PB | Isaac Ogunlade | | 28.10.91 | Chris Zah | Havering Mayesbrook | Tooting Bec | 21 Jul 12 |  |
| 34 | 48.84 | | | 48.84 | PB | Blair Crawford | | 05.05.92 | Kevin Reynolds | Kilbarchan | Glasgow (S) | 3 Jun 12 |  |
| 35 | 48.90 | | | 48.90 | PB | Rhys Knapman | | 26.08.90 | Matt Elias | Cardiff | Cardiff | 12 May 12 |  |
| 36 | 48.91 | | | 48.91 | PB | Harry McQueen | | 27.09.91 | Brian MacKenzie | Chelmsford | Chelmsford | 13 May 12 |  |
| 36 | 48.91 | | | 48.91 | PB | Ben Morris | | 09.09.91 | Glenys Morton | Leicester | Loughborough | 13 Jun 12 |  |
| 38 | 48.92 | | | 48.92 | PB | John Houston | | 14.11.90 | Phillip Snoddy | Liverpool H | Tullamore, IRL | 24 Jun 12 |  |
| 39 | 48.95 | i | | 48.85 | | Samuel Adeyemi | | 15.03.90 | | Herne Hill | Birmingham | 4 Feb 12 |  |
| 49.47 | | | | | | | | | | Olympic Park | 5 May 12 |  |
| 40 | 48.97 | | | 47.69 | | Greg Louden | | 25.10.92 | Dave Finlayson | Lasswade | Edinburgh | 21 Apr 12 |  |
| 41 | 48.99 | | | 48.99 | PB | Lloyd King | | 14.08.91 | Ron Roddan | Thames Valley | Lee Valley | 27 May 12 |  |
| 42 | 49.10 | | | 49.10 | PB | Ben Maze | | 22.12.91 | Paul McKee | Lagan Valley | Dublin (S), IRL | 25 Jul 12 |  |
| 43 | 49.1 | | | 48.21 | | Nathan Hilton | | 31.12.90 | | Liverpool Pembroke Sefton | Ellesmere Port | 5 Aug 12 |  |
| 49.21 | | | | | | | | | | Bedford | 16 Jun 12 |  |
| 44 | 49.16 | | | 47.23 | | James Hunter | | 04.06.90 | James Hillier | Liverpool H | Exeter | 15 Jul 12 |  |
| 45 | 49.17 | | | 49.17 | PB | Cameron Irwin | | 20.10.92 | Ian Grant | Colchester H | Watford | 16 May 12 |  |
| 46 | 49.19 | | | 49.19 | PB | David Gain | | 03.08.90 | Tony Palman-Brown | Oxford City | Horspath | 5 Sep 12 |  |
| 47 | 49.2 | | | 48.92i | | David Dempsey | | 07.02.91 | Matthew Wood | Gateshead | Liverpool | 22 Apr 12 |  |
| 49.49 | i | | | | | | | | | Sheffield | 25 Feb 12 |  |
| 49.57 | | | | | | | | | | Hendon | 28 Jul 12 |  |
| 48 | 49.22 | | | 48.34 | | Wayne Ashall | | 15.05.90 | Raymond Twentyman | Liverpool Pembroke Sefton | Birmingham | 2 Jun 12 |  |
| 49 | 49.23 | | | 49.23 | PB | Nicholas Pryce | | 10.11.92 | Joe Caines | Royal Sutton Coldfield | Bedford | 16 Jun 12 |  |
| 50 | 49.24 | | | 49.24 | PB | Michael Nevill | | 03.05.91 | Phillip Brickley | Reading AC | Woking | 1 Aug 12 |  |
| 51 | 49.27 | | | 48.53 | | Gareth Hopkins | | 30.01.91 | Helen Patricia James | Cardiff | Cardiff | 18 Jul 12 |  |
| 52 | 49.30 | | | 47.84/47.6 | | Chris Tandi | | 02.01.90 | Terence Price | City of Portsmouth | St. Peter Port | 9 Jun 12 |  |
| 53 | 49.35 | i | | 48.93 | | Paul Bennett | | 11.12.92 | Matt Elias | Swansea | Cardiff | 29 Jan 12 |  |
| 49.8 | | | | | | | | | | Newport | 21 Jul 12 |  |
| 49.88 | | | | | | | | | | Cardiff | 14 Jul 12 |  |
| 54 | 49.40 | | | 48.71 | | Gus Kennedy | | 02.02.92 | Nick Dakin | Brighton Phoenix | Loughborough | 20 May 12 |  |
| 55 | 49.4 | | | 49.68/49.4 | PB | Oliver Aitchison | | 13.03.92 | | Aldershot, Farnham & District | Woking | 30 Jun 12 |  |
| 50.77 | | | | | | | | | | Watford | 18 Apr 12 |  |
| 56 | 49.41 | | | 46.86 | | Nathan Wake | | 08.08.92 | Ayo Falola | Woodford Green Essex Ladies | Bedford | 10 Jun 12 |  |
| 57 | 49.48 | | | 49.48 | PB | Adam McComb | | | | North Down | Antrim | 4 Jun 12 |  |
| 58 | 49.50 | | | 49.34 | | Reece Ingley | | 15.02.92 | Stephen Ball | Trafford | Swansea | 18 Aug 12 |  |
| 59 | 49.53 | | | 48.52 | | David Eames | | 01.11.91 | Callum Orr | Newbury | Birmingham | 2 Jun 12 |  |
| 59 | 49.53 | | | 49.04 | | Tom Moakes | | 31.12.90 | Nick Dakin | Notts | Birmingham | 8 Jul 12 |  |
| 61 | 49.54 | | | 49.43 | | Rory Graham-Watson | | 03.06.90 | Rodger Hughes | Windsor Slough Eton & Hounslow | Parliament Hill | 12 Sep 12 |  |
| 62 | 49.55 | | | 49.55 | PB | Richard Holt | | 23.08.90 | Lee Ness | City of Salisbury | Bedford | 25 Aug 12 |  |
| 63 | 49.56 | | | 49.45 | | Omololu Abiodun | | 01.09.92 | Gladys Bird | Woodford Green Essex Ladies | Liverpool | 18 Aug 12 |  |
| 64 | 49.57 | | | 49.57/49.0 | PB | Jack Hallas | | 07.02.91 | Aaron Thomas | Wakefield | Sheffield | 22 Apr 12 |  |
| 65 | 49.6 | | | 50.16/49.6 | PB | Mukhtar Mohammed | | 01.12.90 | Mustafa Mohamed | Sheffield RC | Wakefield | 26 May 12 |  |
| 65 | 49.6 | | | 49.09 | | Danny Higham | | 04.11.90 | | Liverpool Pembroke Sefton | Ellesmere Port | 1 Jul 12 |  |
| 49.68 | | | | | | | | | | Birmingham | 2 Jun 12 |  |
| 65 | 49.6 | | | 49.45 | | Aaron Bennett | | 29.01.92 | Todd Bennett | Southampton | Walton | 14 Jul 12 |  |
| 50.48 | | | | | | | | | | Derby | 28 Jul 12 |  |
| 65 | 49.6 | | | 48.91 | | Josh Oguntayo | | 05.09.92 | Vicente Modahl | Sale Harriers Manchester | Halifax | 5 Aug 12 |  |
| 50.23 | | | | | | | | | | Stretford | 3 Jul 12 |  |
| 69 | 49.61 | | | 49.61 | PB | John Bird | | 17.05.92 | David Saker | Ipswich | Watford | 18 Apr 12 |  |
| 70 | 49.71 | i | | 48.99i | | Andrew Raeburn | | 20.11.91 | | Caithness AAC | Glasgow | 19 Feb 12 |  |
| 71 | 49.77 | | | 49.59 | | Abdillah Nassir | | 22.04.90 | | Charnwood | Loughborough | 15 Apr 12 |  |
| 72 | 49.79 | | | 48.01 | | Ross McDonald | | 09.10.90 | Tony Hadley | Birchfield H | Olympic Park | 5 May 12 |  |
| 73 | 49.81 | | | 49.81/49.8 | PB | Jordan Aromasodu | | 19.06.91 | Chris Zah | Victoria Park & Tower Hamlets | Woodford | 21 Apr 12 |  |
| 74 | 49.82 | | | 49.82 | PB | Sam Wareham | | 11.02.92 | | Oxford Uni | Abingdon | 31 Mar 12 |  |
| 75 | 49.83 | | | 48.90 | | Mike Baker | | 06.04.90 | Fayyaz Ahmed | Woodford Green Essex Ladies | Loughborough | 28 Apr 12 |  |
| 75 | 49.83 | | | 49.83 | PB | Ralph Eliot | | | | Oxford Uni | Oxford | 19 May 12 |  |
| 77 | 49.84 | | | 49.84 | PB | Thaddeus Anim-Somuah | | 16.06.90 | Brian Scobie | St. Helens Sutton | Watford | 16 May 12 |  |
| 78 | 49.9 | | | 50.59/49.9 | PB | Tyson Oladokun | | 12.02.91 | | Victoria Park & Tower Hamlets | Chelmsford | 9 Jun 12 |  |
| 50.61 | | | | | | | | | | Bedford | 16 Jun 12 |  |
| 79 | 49.94 | | | 49.49 | | Joseph Hutchinson | | 14.10.92 | | Team Bath | Charlottesville VA, USA | 19 Apr 12 |  |
| 80 | 49.97 | | | 49.60i | | Connor Henderson | | 02.10.92 | Sheila Atkinson | Glasgow City | Bromley | 18 Aug 12 |  |
| 81 | 50.02 | | | 48.33 | | Austin Joseph | | 29.09.92 | Gladys Bird | Woodford Green Essex Ladies | Olympic Park | 6 May 12 |  |
| 82 | 50.06 | i | | 50.06i | PB | Gareth Morris | | 02.07.90 | | Ashford AC | Birmingham | 8 Feb 12 |  |
| 51.06 | | | | | | | | | | Birmingham | 8 Jul 12 |  |
| 83 | 50.08 | i | | 49.42 | | Gary Coleman | | 18.11.91 | Colin Bovell | Yate | Sheffield | 25 Feb 12 |  |
| 84 | 50.18 | i | | 50.05/49.2 | | Ashley Hill | | 16.10.91 | John Baron | Cheltenham | Sheffield | 25 Feb 12 |  |
| 50.4 | | | | | | | | | | Cleckheaton | 1 Apr 12 |  |
| 84 | 50.18 | | | 49.68 | | Steven Carter | | 19.09.92 | Andy Forman | Southampton | Brighton | 21 Jul 12 |  |
| 86 | 50.19 | | | 48.98 | | Lawrence Doherty | | 25.08.92 | | UC Davis | Davis CA, USA | 21 Apr 12 |  |
| 87 | 50.2 | | | 50.35/50.2 | PB | Finbarr Ricketts | | 24.09.91 | | Highgate | Battersea | 19 May 12 |  |
| 50.35 | | | | | | | | | | Tooting Bec | 4 Jun 12 |  |
| 88 | 50.22 | | | 50.22 | PB | Melvyn Anukam | | 02.11.90 | | Belgrave | Kingston | 13 May 12 |  |
| 89 | 50.24 | | | 49.59 | | Ben Gregory | | 21.11.90 | Emily Parker | Vale of Aylesbury | Loughborough | 16 May 12 |  |
| 89 | 50.24 | | | 50.24 | PB | Jahmal Germain | | 03.07.92 | | Newham & Essex Beagles | Bedford | 26 May 12 |  |
| 91 | 50.3 | | | 50.00 | | James Wildish | | 16.08.91 | James Wildish | Kent | Dartford | 5 May 12 |  |
| 92 | 50.32 | | | 50.12i | | Joe Gaynor | | 26.08.92 | Martin Owens | Herts Phoenix | Birmingham | 2 Jun 12 |  |
| 93 | 50.33 | | | 48.88 | | Ainsley Campbell | | 06.09.92 | Ainsley Campbell | Enfield & Haringey | Lee Valley | 27 May 12 |  |
| 94 | 50.35 | | | 50.35 | PB | David Horniman | | 10.08.91 | Blake Ellis | Trafford | Stretford | 31 Jul 12 |  |
| 95 | 50.36 | | | 50.16/49.7 | | Greg Urwin | | 21.05.92 | Doug Maxwell | Gateshead | Shildon | 22 Apr 12 |  |
| 96 | 50.37 | | | 50.06 | | Alec Wing | | 23.08.90 | Chris Zah | Victoria Park & Tower Hamlets | Newham | 27 Jun 12 |  |
| 97 | 50.38 | | | 49.75/49.6 | | Adam McBraida | | 27.10.92 | | Oxford Uni | Kingston | 21 Apr 12 |  |
| 98 | 50.39 | | | 50.36 | | Stephen Bennett | | 23.01.90 | Vince Wilson | Preston | Loughborough | 13 Jun 12 |  |
| 99 | 50.4 | | | 51.39i/50.4 | PB | Oliver Palmer | | 28.06.92 | Steven Garrett | City of York | York | 23 Jun 12 |  |
| 51.46 | | | | | | | | | | Sheffield | 22 Apr 12 |  |
| 99 | 50.4 | | | 50.4 | PB | Jason Conchie | | 21.03.92 | | Hyndburn | Bury | 5 Aug 12 |  |
| 99 | 50.4 | | | 50.68/50.4 | PB | Adam Hassan | | 21.05.92 | | Reading AC | Reading | 9 Sep 12 |  |
| 50.68 | | | | | | | | | | Eton | 18 Aug 12 |  |
| 102 | 50.5 | | | 50.53/50.5 | PB | David Stewart | | 12.02.92 | Paul Searing | Dartford H | Erith (Match 1) | 9 Jun 12 |  |
| 50.53 | | | | | | | | | | Eltham | 20 Jun 12 |  |
| 103 | 50.56 | | | 50.34i | | Edward Dawes | | 15.12.91 | Martyn Jones | Telford AC | Sheffield | 22 Apr 12 |  |
| 104 | 50.57 | | | 50.57 | PB | Michael Haslett | | 22.01.90 | | Manx | Watford | 16 May 12 |  |
| 105 | 50.59 | | | 49.70 | | Lee McLaughlin | | 30.09.90 | Jason Carty | Croydon | Crawley | 8 Apr 12 |  |
| 106 | 50.60 | | | 50.59 | | James Senior | | 04.01.92 | Tim Ash | City of Norwich | El Paso TX, USA | 24 Mar 12 |  |
| 106 | 50.60 | | | 50.44/49.4 | | Andrew Smitherman | | 09.11.90 | Tony Noel | Cheltenham | Olympic Park | 5 May 12 |  |
| 108 | 50.6 | | | 50.6 | PB | Patrick Tarry | | 19.01.91 | Christopher Frapwell | Stroud | Nottingham | 4 Aug 12 |  |
| 109 | 50.61 | | | 49.83 | | Christian Roberts | | 18.10.90 | | Huntingdonshire | Olympic Park | 5 May 12 |  |
| 110 | 50.62 | | | 50.62 | PB | Andrew Richardson | | 25.09.90 | John Stephenson | Tynedale | Loughborough | 16 May 12 |  |
| 111 | 50.64 | | | 49.14 | | James Buck | | 12.12.92 | Karen Buck | City of York | Olympic Park | 5 May 12 |  |
| 112 | 50.65 | | | 49.64 | | Darren Corbin | | 28.06.91 | Frank Adams | Enfield & Haringey | Olympic Park | 5 May 12 |  |
| 113 | 50.67 | | | 50.31 | | Nicholas Belo | | 24.03.91 | | Cambridge H | Eltham | 23 May 12 |  |
| 114 | 50.70 | | | 50.47i | | Sean Thompson | | | | North Ayrshire | Grangemouth | 5 Aug 12 |  |
| 115 | 50.7 | | | 56.26/49.4 | | Arran Smith | | 06.10.91 | | Notts | Nottingham | 13 May 12 |  |
| 115 | 50.7 | | | 50.97/50.7 | PB | Calum Bressington | | 11.02.92 | Todd Bennett | Southampton | Southampton | 19 May 12 |  |
| 50.97 | | | | | | | | | | Portsmouth | 13 May 12 |  |
| 117 | 50.75 | | | 50.75 | PB | Paul Adair | | 12.01.90 | | Havering Mayesbrook | Chelmsford | 13 May 12 |  |
| 118 | 50.79 | i | | 50.79i | PB | Hayden Carter | | 06.07.91 | Barry Kitcher | Cannock & Stafford | Birmingham | 4 Feb 12 |  |
| 51.07 | | | | | | | | | | Watford | 16 May 12 |  |
| 119 | 50.8 | | | 51.28/50.2 | | Matthew Houlden | | 21.05.92 | Denise Timmis | Lincoln Wellington | Scunthorpe | 5 Aug 12 |  |
| 120 | 50.84 | | | 49.42/49.3 | | Gwilym Cooper | | 17.07.91 | | Brighton & Hove | Brighton | 21 Jul 12 |  |
| 121 | 50.89 | | | 50.72/50.5 | | David Smale | | 16.10.91 | Ron Dawson | Southend | Bromley | 18 Aug 12 |  |
| 122 | 50.9 | | | 49.69/49.2 | | Jack Imray | | 09.11.91 | | Tipton | Nottingham | 1 Apr 12 |  |
| 51.90 | i | | | | | | | | | Birmingham | 12 Feb 12 |  |
| 122 | 50.9 | | | 50.55 | | Paul Green | | 24.02.92 | Rupert Pepper | Poole Runners | Bournemouth | 12 May 12 |  |
| 122 | 50.9 | | | 49.51/49.1 | | Joe Astley | | 10.04.90 | Rupert Pepper | Poole Runners | Poole | 19 May 12 |  |
| 125 | 50.95 | | | 50.95 | PB | Daniel Ochola | | | Ron Roddan | Thames Valley | Hendon | 28 Jul 12 |  |
| 126 | 50.97 | | | 50.97 | PB | Mark Robinson | | 26.10.90 | | Ipswich | Eton | 18 Aug 12 |  |
| 127 | 50.99 | | | 50.99 | PB | Dominic Scott | | 10.06.91 | Blake Ellis | Altrincham | Stretford | 31 Jul 12 |  |
| 128 | 51.00 | | | 51.00 | PB | Carl Hill | | | Sean Price | Aberdare Valley | Cardiff | 12 May 12 |  |
| 129 | 51.0 | | | 51.44/51.0 | PB | Daniel Harmes | | 17.04.91 | David Harmes | Scunthorpe | Hull | 12 May 12 |  |
| 51.44 | | | | | | | | | | Hull | 22 Apr 12 |  |
| 129 | 51.0 | | | 51.47/51.0 | PB | Daniel Brownbill | | 23.11.92 | | Leeds City | Stretford | 1 Jul 12 |  |
| 51.89 | | | | | | | | | | Stretford | 3 Jul 12 |  |
| 131 | 51.02 | | | 51.02 | PB | David New | | 25.03.91 | | Edinburgh AC | Grangemouth | 15 Jul 12 |  |
| 132 | 51.04 | i | | 51.04i | PB | Henry Tufnell | | 19.06.92 | Gordon Manning | Radley | Boston MA, USA | 11 Feb 12 |  |
| 133 | 51.05 | | | 50.32 | | Antoni Davis-Phillip | | 18.07.90 | | Kent | Loughborough | 30 May 12 |  |
| 134 | 51.06 | | | 50.33 | | Declan Murray | | 13.07.90 | | Macclesfield | Olympic Park | 5 May 12 |  |
| 134 | 51.06 | | | 51.06 | PB | Alex Cooke | | 19.02.90 | Stephen Ball | Trafford | Stretford | 31 Jul 12 |  |
| 136 | 51.07 | | | 51.07 | PB | David Banwell-Clode | | 29.12.92 | James Thie | Cwmbran | Cardiff | 25 Aug 12 |  |
| 137 | 51.08 | | | 51.08 | PB | John Coyle | | 22.01.92 | | Olympian Youth | Bangor | 26 May 12 |  |
| 137 | 51.08 | | | 49.86 | | Hywel Robinson | | 06.09.90 | Roger Walters | Guernsey | Southampton | 30 Jun 12 |  |
| 139 | 51.1 | | | 50.60 | | Romeo Sithole | | 05.10.90 | Eliska Binks | Charnwood | Stoke | 1 Jul 12 |  |
| 51.45 | | | | | | | | | | Loughborough | 15 Apr 12 |  |
| 140 | 51.18 | | | 51.18 | PB | Thomas Cusworth | | 04.10.92 | Glyn Davies | Wrexham | Connah's Quay | 22 Apr 12 |  |
| 140 | 51.18 | | | 51.18/50.6 | PB | James Eccles | | 29.05.91 | Callum Orr | Bolton | Loughborough | 30 May 12 |  |
| 142 | 51.2 | | | 50.96 | | David Bolton | | 15.11.91 | Todd Bennett | Southampton | Southampton | 19 May 12 |  |
| 51.71 | i | | | | | | | | | Sheffield | 25 Feb 12 |  |
| 142 | 51.2 | | | 51.38/51.2 | PB | Harrison Foster | | 02.09.90 | Sam Stanislaus | Bingley | Jarrow | 23 May 12 |  |
| 51.38 | | | | | | | | | | Cudworth | 12 May 12 |  |
| 144 | 51.22 | i | | 51.22i | PB | Oliver Stringer | | 26.09.91 | | Wigan & District | Birmingham | 4 Feb 12 |  |
| 51.7 | | | | | | | | | | Bolton | 26 May 12 |  |
| 52.20 | | | | | | | | | | Stretford | 15 May 12 |  |
| 145 | 51.24 | | | 51.24 | PB | Sam Sleap | | 09.05.91 | Bill Jewers | Basingstoke & Mid Hants | Bedford | 26 May 12 |  |
| 146 | 51.25 | | | 50.78 | | Benjamin Fowle | | 02.10.91 | | Colwyn Bay | Cardiff | 2 Jun 12 |  |
| 147 | 51.27 | i | | 51.27i/48.9 | PB | Luke Evans | | 12.09.90 | | Blackburn | Sportcity | 16 Dec 12 |  |
| 148 | 51.28 | i | | 50.16 | | Eugene Ayanful | | 14.05.90 | Christine Bowmaker | Woodford Green Essex Ladies | Lee Valley | 28 Jan 12 |  |
| 149 | 51.30 | i | | 51.30i | PB | Samuel Landsborough | | 11.11.92 | Steven Brick | Wirral | Sportcity | 16 Dec 12 |  |
| 150 | 51.3 | | | 52.85i/50.5 | | Adam Harvey | | 27.08.91 | | Wigan & District | Warrington | 12 May 12 |  |
| 52.85 | i | | | | | | | | | Sportcity | 16 Dec 12 |  |
| 150 | 51.3 | | | 51.3 | PB | Stuart Cameron | | 10.04.90 | | Stockport | Stockport | 26 May 12 |  |
| 150 | 51.3 | | | 50.27i | | Nico Constanti | | 11.01.90 | | Gloucester | Wolverhampton | 27 May 12 |  |
| 150 | 51.3 | | | 50.94 | | Joe Wells | | 05.11.92 | Brian MacKenzie | Chelmsford | Chelmsford | 9 Jun 12 |  |
| 154 | 51.37 | | | 51.37 | PB | Mike Sweeney | | 09.03.90 | Mike Bull | Liverpool H | Stoke | 4 Aug 12 |  |
| 155 | 51.38 | | | 51.38 | PB | Matthew Bayliss | | 26.03.90 | | BRAT | Birmingham | 2 Jun 12 |  |
| 156 | 51.40 | i | | 51.40i | PB | Stephen Goreham | | 20.01.91 | Claire Tompsett | Hillingdon | Lee Valley | 15 Jan 12 |  |
| 51.68 | | | | | | | | | | Wormwood Scrubs | 1 Sep 12 |  |
| 52.8 | | | | | | | | | | Walthamstow | 14 Jul 12 |  |
| 157 | 51.4 | | | 49.98 | | Ben Wallis | | 02.04.90 | Craig Winrow | Guildford & Godalming | Woking | 30 Jun 12 |  |
| 158 | 51.44 | | | 51.44/51.0 | PB | Jake Littlehales | | 07.11.91 | | East Cheshire | Stretford | 28 Aug 12 |  |
| 159 | 51.46 | | | 51.45/50.7 | | Stefan Colaco | | 27.03.90 | | Harrow | Olympic Park | 5 May 12 |  |
| 159 | 51.46 | | | 49.69 | | Tom Syckelmoore | | 20.07.92 | Barry Kitcher | Basingstoke & Mid Hants | Portsmouth | 13 May 12 |  |
| 159 | 51.46 | | | 50.46 | | Jack Andrew | | 12.10.91 | Christopher Bartram | Sale Harriers Manchester | Stretford | 5 Jun 12 |  |
| 162 | 51.48 | | | 51.48 | PB | Glen Pascal | | 15.06.90 | | Luton | Watford | 13 Jun 12 |  |
| 162 | 51.48 | | | 49.81 | | Charlie Roe | | 28.04.92 | Steven Garrett | Chichester | Stoke | 4 Aug 12 |  |
| 164 | 51.49 | | | 51.49 | PB | Ben Horsley | | 05.02.91 | | Tamworth | Kingston | 21 Apr 12 |  |
| 164 | 51.49 | | | 51.49 | PB | Donald Carter | | 19.03.90 | | Invicta East Kent | Newham | 27 Jun 12 |  |
| 166 | 51.5 | | | 52.39/51.5 | PB | Stephen List | | 17.11.90 | Sonya Ellis | Nuneaton | Exeter | 14 Mar 12 |  |
| 166 | 51.5 | | | 50.51 | | David Munro | | 06.04.91 | Howard Court | Wolverhampton & Bilston | Cheltenham | 5 May 12 |  |
| 51.63 | i | | | | | | | | | Birmingham | 12 Feb 12 |  |
| 166 | 51.5 | | | 51.82i/51.5 | PB | James Griffith | | 06.04.92 | Mike Bilson | BRAT | Telford | 8 Sep 12 |  |
| 52.40 | | | | | | | | | | Loughborough | 13 Jun 12 |  |
| 166 | 51.5 | i | | 51.94/51.0 | | Eric Nyangezi | | 26.06.91 | Ty Holden | Ilford | Lee Valley | 5 Dec 12 |  |
| 52.1 | | | | | | | | | | Battersea | 28 Apr 12 |  |
| 52.59 | i | | | | | | | | | Sheffield | 25 Feb 12 |  |
| 170 | 51.53 | | | 51.53 | PB | Stephen Mackay | | 07.06.92 | Charles Forbes | Inverness | Inverness | 16 Sep 12 |  |
| 171 | 51.55 | | | 50.69 | | Scott MacAulay | | 25.01.92 | Derek Parker | Kilbarchan | Aberdeen | 20 May 12 |  |
| 172 | 51.56 | | | 51.56/51.2 | PB | Adam Smith | | 04.10.91 | David Leach | Brighton & Hove | Crawley | 20 Jun 12 |  |
| 173 | 51.57 | | | 51.11 | | Matthew Baker | | 25.03.92 | Colin Bovell | Horsham Blue Star | Brighton | 15 Aug 12 |  |
| 174 | 51.58 | | | 51.47i | | Tom Pye | | 18.10.92 | Ty Holden | Enfield & Haringey | Hendon | 16 Jun 12 |  |
| 175 | 51.6 | | | 51.87/51.6 | PB | Andrew Ajube | | 28.03.92 | Chris Zah | Victoria Park & Tower Hamlets | Braintree | 19 May 12 |  |
| 51.90 | | | | | | | | | | Woodford | 11 Sep 12 |  |
| 175 | 51.6 | | | 51.6 | PB | Jack Hillier | | 02.05.90 | | Wycombe | Jarrow | 23 May 12 |  |
| 175 | 51.6 | | | 49.42/49.0 | | Junior George | | 21.08.91 | | Holmfirth | Hull | 26 May 12 |  |
| 175 | 51.6 | | | 51.51i/51.4 | | Neville Harris | | 15.05.92 | | Sutton & District | Carshalton | 14 Jul 12 |  |
| 52.14 | | | | | | | | | | Crawley | 20 Jun 12 |  |
| 175 | 51.6 | | | 52.08/51.6 | PB | Ben Parry | | 27.04.92 | Catherine Walker | Herts Phoenix | Norwich | 1 Sep 12 |  |
| 52.08 | | | | | | | | | | Woodford | 7 Jul 12 |  |
| 180 | 51.62 | | | 51.62 | PB | Joe Mellor | | 07.12.90 | Grant Barker | Notts | Birmingham | 2 Jun 12 |  |
| 180 | 51.62 | | | 50.54 | | Thomas Ashby | | 05.04.90 | Thomas Ashby | Herne Hill | Hexham | 30 Jun 12 |  |
| 182 | 51.64 | | | 51.64 | PB | Calum Brown | | 16.08.91 | | St. Mary's Richmond | Stoke | 4 Aug 12 |  |
| 183 | 51.7 | | | 52.36/51.5 | | David Villota | | 18.09.91 | | South London | Bedford (Match 1) | 19 May 12 |  |
| 52.36 | | | | | | | | | | Kingston | 21 Apr 12 |  |
| 183 | 51.7 | | | 52.66i/51.7 | PB | Kyle Readdin | | 06.09.92 | | Crewe & Nantwich | Litherland | 1 Sep 12 |  |
| 185 | 51.72 | | | 51.72 | PB | Romaine Hyman | | 21.10.91 | | Team Bath | Yate | 12 May 12 |  |
| 186 | 51.73 | | | 51.73/51.7 | PB | Stephen Kelly | | 07.05.90 | | Highgate | Olympic Park | 5 May 12 |  |
| 186 | 51.73 | | | 51.62 | | Chris Baber | | 17.04.91 | | Tynedale | Gateshead | 12 May 12 |  |
| 188 | 51.8 | | | 51.11/50.5 | | James Lea | | 22.04.91 | | Nuneaton | Sutton Coldfield | 27 May 12 |  |
| 188 | 51.8 | | | 51.8 | PB | Richard Brown | | 04.02.91 | | Herts Phoenix | Welwyn | 9 Jun 12 |  |
| 188 | 51.8 | | | 52.55/51.8 | PB | Ben Jones | | 01.10.92 | Tim Needham | Nene Valley | Walton | 14 Jul 12 |  |
| 188 | 51.8 | | | 51.81i/51.8 | PB | Adam Barnes | | 27.04.92 | Tony Ashford | Royal Sutton Coldfield | Kettering | 19 Aug 12 |  |
| 52.02 | | | | | | | | | | Birmingham | 2 Jun 12 |  |
| 192 | 51.86 | | | 49.94 | | Rikkie Letch | | 24.10.92 | Conrad Milton | Windsor Slough Eton & Hounslow | Gateshead | 30 Jun 12 |  |
| 193 | 51.87 | | | 49.67 | | Aqeel Hassan | | 18.12.92 | Joseph McDonnell | Charnwood | Olympic Park | 5 May 12 |  |
| 194 | 51.9 | | | 48.71 | | Yannick Phippen | | 01.07.92 | Andy Paul | Birchfield H | Kettering | 19 Aug 12 |  |
| 195 | 51.92 | | | 51.92/51.4 | PB | Fraser Carlisle | | 18.02.90 | | Wycombe | Watford | 11 Jul 12 |  |
| 196 | 51.94 | i | | 51.18 | | Mark Booth | | 22.05.91 | Janet Nash | Wycombe | Lee Valley | 8 Jan 12 |  |
| 52.91 | | | | | | | | | | Horspath | 21 Apr 12 |  |
| 197 | 51.96 | | | 51.17i/51.1 | | Charlie Patrick | | 13.02.92 | Darrell Maynard | City of Salisbury | Loughborough | 28 Apr 12 |  |
| 198 | 52.00 | | | 52.00 | PB | Aaron Kaye | | 27.12.92 | Kevin Iain Hughes | Southend | Basingstoke | 26 May 12 |  |
| 199 | 52.0 | | | 50.93/50.7 | | Simon King | | 26.02.90 | John Graves | Tamworth | Yate | 5 May 12 |  |
| 199 | 52.0 | | | 52.40/50.9 | | Joe Madge | | 02.10.91 | Adam Madge | Grantham AC | Grantham | 1 Jul 12 |  |
| 52.40 | | | | | | | | | | Loughborough | 6 Jun 12 |  |
| 201 | 52.02 | | | 52.02 | PB | David Lee | | 14.02.92 | Stewart Marshall | Coventry | Loughborough | 27 May 12 |  |
| 201 | 52.02 | | | 52.02 | PB | Danny Browitt | | 12.07.92 | | Wigan & District | Stretford | 4 Sep 12 |  |
| 203 | 52.04 | | | 52.04 | PB | Owen McArdle | | 13.09.91 | | Chester-le-Street | Gateshead | 25 Aug 12 |  |
| 204 | 52.1 | | | 51.75 | | Christopher Marshall | | 27.01.91 | Darrell Maynard | City of Norwich | Norwich | 24 Mar 12 |  |
| 52.12 | i | | | | | | | | | Cardiff | 19 Feb 12 |  |
| 204 | 52.1 | | | 52.21/51.0 | | Dan Pidgeon | | 30.03.90 | Neil England | Swindon | Swindon | 9 Jun 12 |  |
| 204 | 52.1 | | | 53.38/52.1 | PB | Sean Perkins | | | | Rushcliffe | Grantham | 2 Sep 12 |  |
| 204 | 52.1 | | | 49.51 | | Simon Tinsley | | 05.11.91 | | Tonbridge | Oxford | 4 Nov 12 |  |
| 208 | 52.12 | | | 51.25i | | Kenneth Love | | 29.10.91 | | Glasgow City | Aberdeen | 20 May 12 |  |
| 209 | 52.15 | | | 52.15 | PB | John Wright | | 01.06.91 | Jonathan Tilt | Southampton | Southampton | 16 Sep 12 |  |
| 210 | 52.18 | | | 51.83 | | David Bush | | 08.12.92 | Arthur Simmonds | Nene Valley | Bedford | 26 May 12 |  |
| 211 | 52.2 | | | 51.54 | | Columba Blango | | | | South London | Gillingham | 5 May 12 |  |
| 211 | 52.2 | | | 52.44/52.2 | PB | Andy Murray | | 22.09.90 | | Kent | Catford | 12 Jul 12 |  |
| 52.44 | | | | | | | | | | Tooting Bec | 21 Jul 12 |  |
| 211 | 52.2 | | | 56.32/52.2 | PB | Jonathan Dennis | | 10.08.90 | | Eastbourne | Lewes | 14 Jul 12 |  |
| 211 | 52.2 | | | 51.75/51.4 | | Alex Currie | | 03.06.92 | Callum Orr | Solihull & Small Heath | Yate | 2 Sep 12 |  |
| 52.27 | | | | | | | | | | Loughborough | 16 May 12 |  |
| 215 | 52.22 | i | | 49.09 | | Nathan Felvus | | 24.11.90 | Ivor Adams | Newport | Cardiff | 19 Feb 12 |  |
| 216 | 52.23 | | | 51.01 | | Curtis Mathews | | 22.01.92 | Mike Guest | Barry & Vale | Stoke | 4 Aug 12 |  |
| 217 | 52.29 | | | 52.29 | PB | Tom Parry | | 08.06.92 | Richard Holt | Kingston & Poly | Kingston | 21 Apr 12 |  |
| 218 | 52.3 | | | 50.1 | | Rashid Kakoza | | 25.01.91 | Julian Golding | Newham & Essex Beagles | Eastbourne | 21 Apr 12 |  |
| 218 | 52.3 | | | 51.92i | | Mark Collier | | 27.10.92 | Matthew Wood | Border | Jarrow | 23 May 12 |  |
| 218 | 52.3 | | | 51.59/51.1 | | Greg Lott | | 24.11.90 | | Aldershot, Farnham & District | Kingston | 9 Jun 12 |  |
| 52.34 | | | | | | | | | | Crawley | 8 Apr 12 |  |
| 218 | 52.3 | | | 52.3 | PB | Adam Newton | | 17.07.92 | | City of Sheffield | Scunthorpe | 5 Aug 12 |  |
| 222 | 52.32 | | | 52.32 | PB | Alistair Davies | | | | Team Bath | Oxford | 19 May 12 |  |
| 223 | 52.34 | | | 52.34 | PB | Andrew Lomas | | 17.03.90 | | Charnwood | Peterborough | 12 May 12 |  |
| 223 | 52.34 | | | 50.22/50.0 | | Cameron Webb | | 08.04.91 | Paul Keeble | Stevenage & North Herts | Eton | 18 Aug 12 |  |
| 225 | 52.38 | | | 52.38 | PB | Jonathan Darby | | 29.03.91 | Richard Holt | Kingston & Poly | Derby | 28 Jul 12 |  |
| 226 | 52.39 | i | | 51.33 | | Allan Farrington | | 25.01.92 | | Edinburgh AC | Glasgow | 10 Oct 12 |  |
| 227 | 52.4 | | | 52.30/51.9 | | Paul Dickson | | 08.12.90 | | Bournemouth | Yeovil | 19 May 12 |  |
| 227 | 52.4 | | | 52.4 | PB | Daniel Stockley | | | | Wigan & District | Wigan | 1 Jul 12 |  |
| 229 | 52.41 | | | 52.41/52.4 | PB | Lee Wilson | | 08.09.92 | Gordon Lockie | Shettleston | Edinburgh | 21 Apr 12 |  |
| 230 | 52.47 | i | | 51.59/50.6 | | Isaac Baldwin | | 15.08.92 | | Trafford | Glasgow | 4 Feb 12 |  |
| 230 | 52.47 | | | 51.80 | | Jegor Mljavov | | 03.08.91 | Andy Young | Glasgow Uni | Grangemouth | 14 Apr 12 |  |
| 232 | 52.49 | i | | 50.76/50.6 | | Leo Rice | | 25.10.91 | | Guernsey | Sheffield | 25 Feb 12 |  |
| 233 | 52.5 | | | 51.74 | | Michael Downie | | 16.11.92 | | Arbroath & District | Edinburgh | 12 May 12 |  |
| 233 | 52.5 | | | 51.12/50.9 | | Lloyd Hilton | | 23.12.92 | | Macclesfield | Macclesfield | 1 Jul 12 |  |
| 52.70 | | | | | | | | | | Oxford | 19 May 12 |  |
| 235 | 52.60 | | | 51.34 | | Josh Moss | | 28.07.91 | Craig Winrow | Windsor Slough Eton & Hounslow | Lee Valley | 27 May 12 |  |
| 236 | 52.6 | | | 53.33/51.6 | | Jason Jeffery | | 28.03.90 | | Hastings AC | Hastings | 21 Apr 12 |  |
| 237 | 52.61 | i | | 52.61i | PB | Thomas Appleyard | | | Terry Meredith | Liverpool H | Sportcity | 16 Dec 12 |  |
| 238 | 52.65 | | | 52.65 | PB | James Berry | | 07.02.91 | Sonya Ellis | Exeter | Exeter | 28 Aug 12 |  |
| 239 | 52.69 | | | 52.42 | | Joshua Barard | | 24.04.92 | Christopher Bartram | City of Stoke | Stoke | 4 Aug 12 |  |
| 240 | 52.7 | | | 52.7 | PB | Chad Lambert | | 07.11.91 | Barry Hearn | Marshall Milton Keynes | Welwyn | 6 Apr 12 |  |
| 240 | 52.7 | | | 51.06 | | James Blackburn | | 07.07.91 | Adrian Webb | Liverpool H | Liverpool | 22 Apr 12 |  |
| 240 | 52.7 | | | 51.36 | | Daniel Pearce | | 11.09.91 | Laurence Garnham | Newquay & Par | Carn Brea | 12 May 12 |  |
| 52.90 | | | | | | | | | | Exeter | 8 Jul 12 |  |
| 240 | 52.7 | | | 52.7 | PB | Ryan Davies | | 09.05.91 | | Aldershot, Farnham & District | Kingston | 9 Jun 12 |  |
| 240 | 52.7 | | | 51.69/51.5 | | Daniel Green | | 31.07.91 | | Ipswich | Leeds | 3 Oct 12 |  |
| 245 | 52.71 | i | | 52.71i | PB | Kevin Wilson | | 06.01.90 | | Chelmsford | Lee Valley | 28 Jan 12 |  |
| 246 | 52.80 | i | | 52.80i | PB | Shaun Thompson | | 28.11.91 | | Irvine | Glasgow | 19 Feb 12 |  |
| 246 | 52.80 | | | 52.80 | PB | Tom Phillips | | 18.09.92 | Helen Patricia James | Cardiff | Cardiff | 25 Aug 12 |  |
| 248 | 52.8 | | | 55.40/52.8 | PB | Craig Grieve | | 21.07.92 | | Tweed, Leader, Jed Track | Edinburgh | 12 May 12 |  |
| 249 | 52.81 | i | | 52.17 | | Adam McCarthy | | 06.12.91 | | Havering Mayesbrook | Cardiff | 8 Jan 12 |  |
| 250 | 52.85 | i | | 51.85 | | Andrew Ferguson | | 11.02.90 | | Banchory Stonehaven | Glasgow | 21 Jan 12 |  |
| 251 | 52.9 | | | 51.64/51.1 | | Tom McKellar | | 29.04.92 | | Basingstoke & Mid Hants | Portsmouth | 19 May 12 |  |
| 251 | 52.9 | | | 55.36/52.5 | | Nick Hardy | | | Aaron Thomas | Birchfield H | York | 23 Jun 12 |  |
| 253 | 52.92 | | | 52.92 | PB | Omar Dixon | | 09.12.90 | Jason Carty | Croydon | Crawley | 8 Apr 12 |  |
| 254 | 52.96 | i | | 52.47/51.9 | | Gary McBride | | 01.12.91 | | Shettleston | Glasgow | 21 Jan 12 |  |
| 255 | 52.97 | | | 52.97/52.6 | PB | Edward Lantzos | | 23.02.91 | | Newport | Wakefield | 7 Apr 12 |  |
| 48.13 | | | 47.89 | | Jason Harvey | | 09.04.91 | Paul McKee | Liverpool H | Dublin (S), IRL | 20 Jun 12 |  |
| 48.87 | | | 47.27 | | Curtis Woods | | 21.09.92 | | Liverpool H | Dublin (S), IRL | 20 May 12 |  |
| 50.32 | i | | 48.02 | | Billy Ryan | | | George Gandy | Newham & Essex Beagles | Birmingham | 4 Feb 12 |  |
| 51.74 | | | 51.74 | PB | Jonathan Mann | | 16.11.92 | Ron Roddan | Aberdeen | Grangemouth | 15 Jul 12 |  |
| 52.7 | i | | 52.82i/52.7i | PB | Lukas Ryffel | | 04.02.92 | Ron Roddan | Thames Valley | Lee Valley | 5 Dec 12 |  |
| 52.9 | | | 52.9 | PB | Bruno Lavisse | | 18.03.90 | | Chelmsford | Colchester | 1 Jul 12 |  |