| 400 U20 Men 2008 to 52.0 | Head to Head Top 10 |
| Rank | Perf | | | PB | | Name | | DOB | Coach | Club | Venue | Date | |
| 1 | 46.40 | | | 45.11 | | Nigel Levine | | 30.04.89 | Simon Duberley | Windsor Slough Eton & Hounslow | Crystal Palace | 25 Jul 08 |  |
| 2 | 46.54 | | | 46.54 | PB | Jordan McGrath | | 03.03.90 | Tony Hadley | Solihull & Small Heath | Loughborough | 18 May 08 | |
| 3 | 46.71 | | | 45.77 | | Louis Persent | | 18.07.90 | Stephen Garnham | Colchester H | Crystal Palace | 25 Jul 08 | |
| 4 | 46.93 | | | 45.59 | | Chris Clarke | | 25.01.90 | Nick Dakin | Marshall Milton Keynes | Derby | 10 Aug 08 | |
| 5 | 47.46 | | | 47.22 | | Robert Davis | | 30.05.89 | | Birchfield H | Birmingham | 8 Jun 08 | |
| 6 | 47.56 | | | 47.14 | | Aaron Trim | | 12.10.89 | | Enfield & Haringey | Sremska Mitrovica, SRB | 20 Sep 08 | |
| 7 | 47.74 | | | 47.74 | PB | Matthew Harrison | | 22.11.89 | | Basildon | Swansea (SL) | 2 Aug 08 | |
| 8 | 47.77 | | | 46.52 | | Michael Warner | | 29.11.90 | Grant Barker | Notts | Tamworth | 25 Aug 08 | |
 UK 10 TARGET: 47.8 |
| 9 | 47.85 | | | 47.23 | | James Hunter | | 04.06.90 | James Hillier | Liverpool H | Gateshead | 12 Jul 08 | |
| 10 | 48.04 | | | 47.92 | | Markus Hunt | | 30.10.90 | Brian MacKenzie | Chelmsford | Gateshead | 12 Jul 08 | |
| 11 | 48.14 | i | | 48.01 | | Ross McDonald | | 09.10.90 | Tony Hadley | Birchfield H | Birmingham | 24 Feb 08 | |
| 48.40 | | | | | | | | | | Loughborough | 18 May 08 | |
| 12 | 48.19 | | | 47.84/47.6 | | Chris Tandi | | 02.01.90 | Terence Price | City of Portsmouth | Portsmouth | 11 May 08 | |
| 13 | 48.22 | i | | 47.65 | | Toby Ulm | | 19.05.89 | Howard Moscrop | Swindon | New York NY, USA | 23 Feb 08 | |
| 50.3 | | | | | | | | | | Swindon | 28 Jun 08 | |
| 14 | 48.53 | | | 47.49 | | Ian Garioch | | 20.05.89 | Eddie McKenna | Moray | Grangemouth | 15 Jun 08 | |
| 15 | 48.58 | | | 47.00 | | Harry Doran | | 23.12.90 | Raymond Twentyman | Liverpool Pembroke Sefton | Sportcity | 14 Jun 08 | |
| 16 | 48.61 | | | 45.23 | | Luke Lennon-Ford | | 05.05.89 | Roger Walters | Birchfield H | Birmingham | 27 Apr 08 | |
| 17 | 48.62 | | | 48.21 | | Nathan Hilton | | 31.12.90 | | Liverpool Pembroke Sefton | Sportcity | 14 Jun 08 | |
| 18 | 48.63 | | | 47.90 | | Tom Miller | | 31.10.89 | Jared Deacon | Cardiff | Swansea (SL) | 15 Jun 08 | |
| 19 | 48.69 | | | 48.43 | | Samuel Cordin | | 13.11.89 | | Mansfield | Derby | 25 Jun 08 | |
| 20 | 48.71 | | | 48.71 | PB | Alex Brown | | 03.01.90 | | Woodford Green Essex Ladies | Yeovil | 10 May 08 | |
| 21 | 48.73 | i | | 48.00i | | Scott Hughson | | 28.11.90 | | Edinburgh AC | Sheffield | 17 Feb 08 | |
| 49.06 | | | | | | | | | | Bedford | 25 May 08 | |
| 22 | 48.76 | | | 47.24 | | Patrick North | | 16.08.89 | Ayo Falola | Swindon | Bedford | 21 Jun 08 | |
| 23 | 48.82 | | | 48.82 | PB | James Shane | | 18.12.89 | Martin Brown | Basildon | Eltham | 28 May 08 | |
| 24 | 48.83 | | | 47.87 | | Sean Watson | | 26.09.89 | Rodger Harkins | Shettleston | Grangemouth | 15 Jun 08 | |
| 25 | 48.84 | i | | 48.84i | PB | Richard Oppong-Konadu | | 04.10.90 | | Cambridge & Coleridge | Birmingham | 24 Feb 08 | |
| 49.64 | | | | | | | | | | Gateshead | 11 Jul 08 | |
| 50.6 | | | | | | | | | | Cambridge | 14 Jun 08 | |
| 26 | 48.86 | | | 46.78 | | Jamie Bowie | | 01.04.89 | Piotr Haczek | Inverness | Dunfermline | 30 Aug 08 | |
| 27 | 48.89 | | | 47.94 | | Chris Smith | | 01.02.89 | Norman Poole | Wirral | Bethlehem PA, USA | 19 Apr 08 | |
| 28 | 48.9 | | | 49.02/48.9 | PB | Jack McGinn | | 03.12.89 | | Liverpool Pembroke Sefton | Ellesmere Port | 3 May 08 | |
| 49.02 | | | | | | | | | | Bedford | 21 Jun 08 | |
| 29 | 49.0 | | | 48.75 | | Lemar Charles | | 13.10.90 | | Blackheath & Bromley | Crawley | 3 May 08 | |
| 50.24 | | | | | | | | | | Eton | 27 Jul 08 | |
| 30 | 49.09 | | | 47.43 | | Lawrence Wooldridge | | 16.09.89 | | Kent | Bedford | 21 Jun 08 | |
| 31 | 49.1 | | | 48.22 | | Martin Lipton | | 14.01.89 | Andrew Mitchell | Kilbarchan | Gateshead | 7 Jun 08 | |
| 49.78 | | | | | | | | | | Edinburgh | 10 May 08 | |
| 31 | 49.1 | | | 49.49/49.1 | PB | Peter Morgan | | 25.12.89 | | Warrington | Gateshead | 7 Jun 08 | |
| 49.57 | | | | | | | | | | Bedford | 21 Jun 08 | |
| 31 | 49.1 | | | 54.60/49.1 | PB | Dale Price | | 16.11.90 | | Gloucester | Yate | 13 Jul 08 | |
| 31 | 49.1 | | | 46.82 | | Nathan Woodward | | 17.10.89 | Nick Dakin | Tamworth | Telford | 3 Aug 08 | |
| 35 | 49.12 | | | 48.46 | | Nick Choudhury | | 23.02.89 | Jennifer O'Shea | Luton | Watford | 11 May 08 | |
| 36 | 49.13 | i | | 48.34 | | Wayne Ashall | | 15.05.90 | Raymond Twentyman | Liverpool Pembroke Sefton | Sheffield | 19 Jan 08 | |
| 49.62 | | | | | | | | | | Marsa, MLT | 26 Apr 08 | |
| 50.6 | | | | | | | | | | Connah's Quay | 27 Jul 08 | |
| 37 | 49.14 | | | 49.14 | PB | Ted Romney | | 11.07.89 | Brian Craig | Blackpool, Wyre & Fylde | Stretford | 12 Aug 08 | |
| 38 | 49.15 | | | 48.90 | | Mike Baker | | 06.04.90 | Nick Dakin | Medway & Maidstone | Ashford | 11 May 08 | |
| 39 | 49.2 | | | 49.53/49.2 | PB | Michael Fraser | | 12.02.91 | David Willis | City of Norwich | Cambridge | 7 Jun 08 | |
| 49.53 | | | | | | | | | | Gateshead | 11 Jul 08 | |
| 39 | 49.2 | | | 47.89 | | Jason Harvey | | 09.04.91 | Paul McKee | Lagan Valley | Antrim | 14 Jun 08 | |
| 49.33 | | | | | | | | | | Tullamore, IRL | 29 Jun 08 | |
| 41 | 49.29 | | | 47.37 | | Niall Flannery | | 26.04.91 | Nick Dakin | Gateshead | Grangemouth | 29 Jun 08 | |
| 42 | 49.35 | | | 47.72 | | Luke Edwards | | 03.09.90 | | Barnsley AC | Bedford | 21 Jun 08 | |
| 43 | 49.38 | | | 49.15 | | Sonny Flynn | | 17.09.90 | | Harrow | Eton | 27 Jul 08 | |
| 43 | 49.38 | | | 48.64 | | Richard Kilty | | 02.09.89 | Jared Deacon | Gateshead | Sportcity | 27 Jul 08 | |
| 45 | 49.4 | | | 49.82i/49.4 | PB | James Moorcroft | | 06.10.89 | Mark Shepherd | Team Kennet | Wycombe | 27 Apr 08 | |
| 49.82 | i | | | | | | | | | Birmingham | 23 Feb 08 | |
| 49.89 | | | | | | | | | | Crystal Palace | 14 Jun 08 | |
| 45 | 49.4 | | | 49.25/48.7 | | Paige Haines | | 28.06.90 | | Newham & Essex Beagles | Hillingdon | 25 May 08 | |
| 50.45 | i | | | | | | | | | Lee Valley | 26 Jan 08 | |
| 47 | 49.5 | | | 49.87/48.8 | | Michael Cole | | 01.12.89 | | North Devon | Perivale | 3 May 08 | |
| 49.87 | | | | | | | | | | Exeter | 3 Aug 08 | |
| 47 | 49.5 | | | 50.00/49.5 | PB | Luke Gibson | | 04.10.89 | | Royal Sutton Coldfield | Leamington | 5 Jul 08 | |
| 50.00 | | | | | | | | | | Birmingham | 15 Jun 08 | |
| 49 | 49.53 | i | | 49.53i/49.5 | PB | Billy McGill | | 03.05.89 | | Whitemoss | Glasgow | 10 Feb 08 | |
| 49 | 49.53 | | | 49.53 | PB | Tony Corrigan | | 24.09.90 | | Liverpool H | Stretford | 1 Jul 08 | |
| 51 | 49.60 | i | | 47.17 | | Dan Putnam | | 30.12.91 | John Blackie | Blackheath & Bromley | Lee Valley | 7 Dec 08 | |
| 52 | 49.67 | | | 49.67 | PB | Craig Simpson | | 06.10.90 | | Wakefield | Sportcity | 14 Jun 08 | |
| 53 | 49.7 | | | 49.51/49.1 | | Joe Astley | | 10.04.90 | Rupert Pepper | Poole Runners | Bournemouth | 20 Apr 08 | |
| 49.90 | | | | | | | | | | Yeovil | 7 Sep 08 | |
| 53 | 49.7 | | | 49.80/49.7 | PB | Robbie Schofield | | 14.12.90 | Don Lennon | Ribble Valley | Blackpool | 10 May 08 | |
| 53 | 49.7 | | | 49.09 | | Danny Higham | | 04.11.90 | | Liverpool Pembroke Sefton | Liverpool | 10 May 08 | |
| 50.13 | | | | | | | | | | Sportcity | 14 Jun 08 | |
| 53 | 49.7 | | | 49.76/49.7 | PB | Sam Evans | | 15.01.90 | Keith Holt | Cannock & Stafford | Tamworth | 25 May 08 | |
| 57 | 49.8 | | | 50.27i/49.3 | | Matthew Turner | | 19.04.89 | | Shettleston | Middlesbrough | 29 Jun 08 | |
| 50.86 | | | | | | | | | | Grangemouth | 13 Jul 08 | |
| 57 | 49.8 | | | 49.42/49.0 | | Junior George | | 21.08.91 | | Holmfirth | Halifax | 6 Jul 08 | |
| 50.46 | | | | | | | | | | Sheffield | 11 May 08 | |
| 59 | 49.81 | | | 49.81 | PB | Stephen Butterworth | | 24.12.90 | | Sale Harriers Manchester | Sportcity | 14 Jun 08 | |
| 59 | 49.81 | | | 49.81 | PB | Umar Hameed | | 24.02.89 | | Leeds City | Ashford | 16 Aug 08 | |
| 61 | 49.82 | | | 48.10 | | Ashley Bryant | | 17.05.91 | Ian Grant | Windsor Slough Eton & Hounslow | Birmingham | 20 Sep 08 | |
| 62 | 49.83 | | | 49.83 | PB | Christian Roberts | | 18.10.90 | | Huntingdonshire | Watford | 13 Aug 08 | |
| 63 | 49.85 | | | 49.85 | PB | Keith Simpson | | 16.05.89 | | Fife | Sportcity | 27 Jul 08 | |
| 64 | 49.88 | | | 49.88 | PB | William Lambourne | | 29.01.89 | James Bennett | Marshall Milton Keynes | Birmingham | 31 May 08 | |
| 65 | 49.9 | i | | 50.18/49.9i | PB | Gregor Innes | | | Sheila Atkinson | Victoria Park City of Glasgow | Glasgow | 3 Feb 08 | |
| 50.20 | i | | | | | | | | | Glasgow | 10 Feb 08 | |
| 65 | 49.9 | | | 50.01/49.9 | PB | Neil Francis | | 11.09.89 | | Blackheath & Bromley | Crawley | 3 May 08 | |
| 50.01 | | | | | | | | | | Kingston | 10 May 08 | |
| 65 | 49.9 | | | 50.05/49.9 | PB | James Stringer | | 14.09.90 | | Vale Royal | Ellesmere Port | 10 May 08 | |
| 50.89 | | | | | | | | | | Sportcity | 14 Jun 08 | |
| 65 | 49.9 | | | 49.65 | | Matt Parsley | | 20.02.90 | Martyn Jones | Exeter | Exeter | 10 May 08 | |
| 51.59 | | | | | | | | | | Exeter | 3 Aug 08 | |
| 69 | 49.91 | | | 49.09 | | Nathan Felvus | | 24.11.90 | Nathan Felvus | Cardiff | Swansea (SL) | 27 Jul 08 | |
| 70 | 49.93 | | | 49.05 | | Martin Pitts | | 26.11.89 | | Braintree | Crystal Palace | 14 Jun 08 | |
| 71 | 49.95 | | | 49.95 | PB | Nick Frodsham | | 17.11.90 | | Leamington | Abingdon | 31 Aug 08 | |
| 72 | 49.97 | | | 49.97 | PB | Jonathan Butler | | 23.03.89 | | Swansea | Swansea (SL) | 27 Jul 08 | |
| 73 | 49.98 | | | 49.14 | | Oliver Heeks | | 27.10.89 | Craig Winrow | Orion | Watford | 2 Jul 08 | |
| 74 | 49.99 | | | 49.99 | PB | Chris Bramah | | 14.03.89 | | Trafford | Stretford | 12 Aug 08 | |
| 75 | 50.00 | | | 50.00 | PB | Matt Harris | | 17.12.90 | Cy Knibb | Enfield & Haringey | Hendon | 10 May 08 | |
| 76 | 50.0 | | | 50.0 | PB | Adam Moore | | 07.10.90 | | Bracknell AC | Bracknell | 11 May 08 | |
| 77 | 50.09 | | | 49.50 | | Daniel Gardiner | | 25.06.90 | Antonio Minichiello | Leeds City | Bydgoszoz, POL | 9 Jul 08 | |
| 77 | 50.09 | | | 48.53 | | Gareth Hopkins | | 30.01.91 | Helen Patricia James | Cardiff | Brecon | 31 Aug 08 | |
| 79 | 50.1 | | | 49.46/48.9 | | Gary Steventon | | 29.05.91 | | Reading AC | Horspath | 7 Jun 08 | |
| 50.34 | i | | | | | | | | | Lee Valley | 20 Jan 08 | |
| 79 | 50.1 | | | 50.22/50.1 | PB | Chris Haines | | 11.11.89 | | Medway & Maidstone | Tonbridge | 1 Jul 08 | |
| 51.61 | | | | | | | | | | Kingston | 7 Jun 08 | |
| 79 | 50.1 | | | 49.4 | | Michael Di Laura | | 25.09.90 | | Worthing | Brighton | 13 Aug 08 | |
| 82 | 50.16 | | | 50.16/49.6 | PB | Mukhtar Mohammed | | 01.12.90 | Mustafa Mohamed | Sheffield RC | Sheffield | 11 May 08 | |
| 83 | 50.19 | | | 50.19/50.1 | PB | Will Allingham | | 01.06.90 | | Ashford AC | Ashford | 11 May 08 | |
| 84 | 50.20 | | | 50.11 | | Sean Hood | | 10.12.90 | Sean Hood | Edinburgh AC | Derby | 14 Sep 08 | |
| 85 | 50.2 | | | 49.87/49.6 | | Michael Skee | | 19.11.89 | | Enfield & Haringey | Hillingdon | 7 Jun 08 | |
| 50.75 | | | | | | | | | | Derby | 14 Sep 08 | |
| 85 | 50.2 | | | 50.36/49.8 | | Cynan Evans | | 27.06.91 | | Wrexham | Liverpool | 29 Jun 08 | |
| 50.50 | | | | | | | | | | Connah's Quay | 12 Jul 08 | |
| UK 100 TARGET: 50.2 |
| 87 | 50.23 | | | 46.99 | | Sebastian Rodger | | 29.06.91 | Steve King | Eastbourne | Birmingham | 31 May 08 | |
| 88 | 50.29 | | | 49.59 | | Abdillah Nassir | | 22.04.90 | | Charnwood | Bedford | 21 Jun 08 | |
| 89 | 50.3 | | | 49.39 | | Rick Ward | | 14.06.89 | Tim Ash | City of Norwich | Norwich | 10 May 08 | |
| 89 | 50.3 | | | 52.02/50.3 | PB | Lorn Menzies | | | | Victoria Park City of Glasgow | Carlisle | 25 May 08 | |
| 89 | 50.3 | | | 51.42/50.3 | PB | Tim Burt | | 22.11.89 | Craig Winrow | Ashford AC | Tonbridge | 27 Jul 08 | |
| 92 | 50.32 | | | 50.32 | PB | Antoni Davis-Phillip | | 18.07.90 | | Kent | Ashford | 11 May 08 | |
| 93 | 50.33 | | | 50.33 | PB | Donald Ferguson | | 08.02.91 | | Inverness | Inverness | 27 Apr 08 | |
| 94 | 50.36 | | | 49.98 | | Ben Wallis | | 02.04.90 | Craig Winrow | Guildford & Godalming | Woking | 6 Aug 08 | |
| 95 | 50.38 | i | | 50.38i/50.1 | PB | Johnathan Simonson | | 22.02.89 | | Swansea | Cardiff | 3 Feb 08 | |
| 95 | 50.38 | | | 50.38 | PB | Paul Miller | | 07.05.89 | Bruce Horsburgh | Gateshead | Grangemouth | 29 Jun 08 | |
| 95 | 50.38 | | | 49.35 | | Conor McLaughlin | | 07.11.89 | Callum Orr | Strabane | Antrim | 2 Jul 08 | |
| 98 | 50.4 | | | 49.91 | | Patrick Bogues | | 25.01.90 | | Omagh | Belfast | 7 May 08 | |
| 50.44 | | | | | | | | | | Tullamore, IRL | 31 May 08 | |
| 98 | 50.4 | | | 50.4 | PB | Joshua Patrick | | 20.09.90 | | Windsor Slough Eton & Hounslow | Bracknell | 11 May 08 | |
| 98 | 50.4 | | | 49.3 | | David Forrester | | 11.12.89 | Ray Vose | St. Helens Sutton | Cleckheaton | 7 Jun 08 | |
| 98 | 50.4 | | | 52.97/50.4 | PB | Adam Goulding | | 12.11.90 | | Notts | Tipton | 7 Jun 08 | |
| 102 | 50.42 | i | | 49.71i | | Charlie Burn | | 18.04.91 | | Stratford-upon-Avon | Birmingham | 23 Feb 08 | |
| 50.54 | | | | | | | | | | Coventry | 28 May 08 | |
| 50.7 | | | | | | | | | | Derby | 27 Apr 08 | |
| 102 | 50.42 | | | 49.71 | | George Thatcher | | 26.05.89 | | Croydon | Kingston | 10 May 08 | |
| 104 | 50.5 | | | 51.11/50.5 | PB | James Lea | | 22.04.91 | | Tipton | Solihull | 27 Jul 08 | |
| 51.11 | | | | | | | | | | Tamworth | 25 Aug 08 | |
| 105 | 50.51 | | | 50.51 | PB | David Munro | | 06.04.91 | Howard Court | Manx | Sportcity | 14 Jun 08 | |
| 105 | 50.51 | | | 48.99 | | Lloyd King | | 14.08.91 | Ron Roddan | Thames Valley | Carlisle | 5 Jul 08 | |
| 107 | 50.52 | | | 50.52 | PB | R Warman | | | | Unattached | Watford | 13 Aug 08 | |
| 108 | 50.6 | | | 49.22/48.9 | | Andrei Pobischan | | 24.02.90 | Callum Orr | Wakefield | Blackburn | 7 Jun 08 | |
| 108 | 50.6 | | | 51.33/50.6 | PB | Dominic Henry | | 03.08.90 | | Mendip | Exeter | 6 Jul 08 | |
| 51.65 | | | | | | | | | | Hendon | 24 Aug 08 | |
| 110 | 50.61 | | | 50.01i | | Andrew Gibson | | 19.02.89 | | Kilbarchan | Edinburgh | 17 May 08 | |
| 111 | 50.62 | | | 48.92i | | David Dempsey | | 07.02.91 | Matthew Wood | Longwood | Birmingham | 20 Sep 08 | |
| 112 | 50.66 | | | 50.22 | | Melvyn Anukam | | 02.11.90 | | Belgrave | Kingston | 10 May 08 | |
| 113 | 50.67 | | | 50.67/50.1 | PB | Nick Phelps | | 11.10.90 | Jean Simmons | Middlesbrough (Mandale) | Gateshead | 23 Aug 08 | |
| 114 | 50.7 | | | 51.42/50.7 | PB | Lewis Bostock | | 23.01.91 | | Notts | Nottingham | 10 May 08 | |
| 114 | 50.7 | | | 50.93/50.7 | PB | Simon King | | 26.02.90 | John Graves | Tamworth | Birmingham (Un) | 25 Jun 08 | |
| 50.93 | | | | | | | | | | Swansea (SL) | 27 Jul 08 | |
| 114 | 50.7 | | | 50.7 | PB | James Thompson | | 25.09.89 | | Ryston | Peterborough | 25 Aug 08 | |
| 117 | 50.8 | | | 49.97/49.9 | | Benjamin Brand | | 11.05.89 | | Manx | Blackpool | 10 May 08 | |
| 117 | 50.8 | | | 47.83 | | Sam Peters | | 18.06.90 | Paul Batten | Erme Valley | Exeter | 14 Jun 08 | |
| 51.29 | | | | | | | | | | Exeter | 27 May 08 | |
| 117 | 50.8 | | | 50.6 | | W Harris | | | | Norfolk Schs | Norwich | 14 Jun 08 | |
| 120 | 50.82 | i | | 50.27i | | Nico Constanti | | 11.01.90 | | Forest of Dean | Birmingham | 20 Jan 08 | |
| 51.6 | | | | | | | | | | Cheltenham | 11 May 08 | |
| 121 | 50.83 | | | 48.92 | | John Houston | | 14.11.90 | Phillip Snoddy | Ballymena & Antrim | Santry, IRL | 15 Jun 08 | |
| 121 | 50.83 | | | 48.44 | | John Lane | | 29.01.89 | Antonio Minichiello | City of Sheffield | Bedford | 27 Sep 08 | |
| 123 | 50.84 | | | 50.84 | PB | Jonathan Croasdale | | 08.01.90 | | Liverpool H | Stretford | 3 Jun 08 | |
| 124 | 50.86 | | | 48.31 | | Matthew Threadgold | | 12.07.90 | John Powell | Epsom & Ewell | Kingston | 10 May 08 | |
| 124 | 50.86 | | | 49.09 | | Junior Ejehu | | 01.02.91 | Ayo Falola | Harrow | Eton | 27 Jul 08 | |
| 126 | 50.9 | | | 49.56 | | Mark Patterson | | 23.01.91 | Francis Marsh | North Down | Belfast | 7 May 08 | |
| 127 | 50.91 | | | 50.54 | | Thomas Ashby | | 05.04.90 | Piotr Spas | Herne Hill | Birmingham | 20 Sep 08 | |
| 128 | 50.93 | | | 50.93 | PB | Daniel Stevens | | 17.11.90 | | Sutton-in-Ashfield | Tamworth | 25 Aug 08 | |
| 129 | 50.95 | | | 50.95 | PB | Abraham Newell | | 17.10.89 | | Team Southampton | Portsmouth | 11 May 08 | |
| 130 | 50.97 | i | | 50.86 | | Ross Davey | | 22.02.90 | | King's School Bruton | Birmingham | 3 Feb 08 | |
| 51.46 | | | | | | | | | | Street | 26 Apr 08 | |
| 131 | 51.0 | | | 51.99/51.0 | PB | Tom Gillespie | | 05.05.91 | Geoff Williams | Watford | Cambridge | 7 Jun 08 | |
| 132 | 51.02 | | | 50.57 | | Michael Haslett | | 22.01.90 | | Manx | Sportcity | 14 Jun 08 | |
| 133 | 51.06 | | | 49.98 | | Adam Allison | | 12.08.90 | | Gateshead | Gateshead | 10 May 08 | |
| 134 | 51.10 | | | 51.10 | PB | Cameron Taylor | | | | Millfield Sch | Yeovil | 10 May 08 | |
| 135 | 51.1 | | | 48.35/48.3 | | Andrew Kendall | | 29.01.90 | Claire Tompsett | Hillingdon | Hillingdon | 28 Jun 08 | |
| 135 | 51.1 | | | 51.1 | PB | Andrew Maguire | | 21.09.89 | | Middlesbrough (Mandale) | Middlesbrough | 29 Jun 08 | |
| 135 | 51.1 | | | 51.23/51.1 | PB | Robert Heaney | | 10.02.89 | | Bedford & County | Leeds | 5 Jul 08 | |
| 51.23 | | | | | | | | | | Bedford | 2 Aug 08 | |
| 135 | 51.1 | | | 51.06 | | Alex Cooke | | 19.02.90 | Stephen Ball | East Cheshire | Halifax | 6 Jul 08 | |
| 51.16 | | | | | | | | | | Stretford | 12 Aug 08 | |
| 135 | 51.1 | | | 49.90i | | Gareth Price | | 06.07.89 | Janet Smith | Team Southampton | Southampton | 16 Jul 08 | |
| 135 | 51.1 | | | 51.17/51.1 | PB | Lloyd Heard | | 07.09.90 | John Hyland | Colchester & Tendring | Norwich | 27 Jul 08 | |
| 135 | 51.1 | | | 54.04/51.1 | PB | Ben Riekstins | | 11.09.90 | | Telford AC | Solihull | 27 Jul 08 | |
| 142 | 51.11 | | | 50.36 | | Jordan Warner | | 28.07.90 | | Shaftesbury Barnet | Hendon | 27 Apr 08 | |
| 142 | 51.11 | i | | 51.11i | PB | John Simpson | | | | Unattached | Lee Valley | 7 Dec 08 | |
| 144 | 51.16 | | | 51.16 | PB | Matthew Sullivan | | 06.10.89 | George Gandy | Shaftesbury Barnet | Watford | 2 Jul 08 | |
| 145 | 51.2 | | | 52.03/51.2 | PB | Chris Cox | | 10.04.91 | | Bingley | Wigan | 27 Apr 08 | |
| 145 | 51.2 | | | 51.33/51.2 | PB | Joe Ago | | 23.10.89 | | Bexley | Eltham | 25 May 08 | |
| 145 | 51.2 | | | 49.43 | | Rory Graham-Watson | | 03.06.90 | Rodger Hughes | Berkshire Schs | Eton | 18 Jun 08 | |
| 145 | 51.2 | | | 51.26/50.7 | | Tom Shaw | | 15.01.91 | | Taunton | Exeter | 21 Jun 08 | |
| 145 | 51.2 | | | 51.46/51.2 | PB | Johnathan Harker | | 25.05.91 | | Preston | Wigan | 29 Jun 08 | |
| 51.46 | | | | | | | | | | Stretford | 3 Jun 08 | |
| 145 | 51.2 | | | 51.44/51.2 | PB | Alan Jepson | | 04.05.91 | | Doncaster | Cleckheaton | 17 Aug 08 | |
| 51.99 | | | | | | | | | | Sheffield | 11 May 08 | |
| 145 | 51.2 | | | 50.75 | | Paul Adair | | 12.01.90 | | Havering Mayesbrook | Abingdon | 13 Sep 08 | |
| 152 | 51.22 | | | 49.64 | | Darren Corbin | | 28.06.91 | Frank Adams | Enfield & Haringey | Crystal Palace | 14 Jun 08 | |
| 153 | 51.23 | | | 51.23 | PB | Ryan Gow | | 26.07.90 | Mike Corden | Herts Phoenix | Watford | 11 May 08 | |
| 154 | 51.26 | | | 51.26 | PB | David Clark | | 10.05.91 | Sheila Atkinson | Victoria Park City of Glasgow | Linwood | 28 May 08 | |
| 155 | 51.30 | | | 51.30 | PB | Tom Offler | | 17.04.89 | | Notts | Birmingham | 27 Apr 08 | |
| 156 | 51.3 | | | 51.31/51.2 | | Matt Williams | | 08.06.90 | | Tynedale | Gateshead | 14 Jun 08 | |
| 51.31 | | | | | | | | | | Gateshead | 10 May 08 | |
| 157 | 51.33 | | | 51.33/50.7 | PB | Duncan Stevenson | | 25.07.90 | | Basingstoke & Mid Hants | Portsmouth | 11 May 08 | |
| 158 | 51.4 | i | | 51.35 | | Craig Knowles | | 19.02.91 | | Corstorphine | Glasgow | 3 Feb 08 | |
| 158 | 51.4 | | | 50.31 | | Max Sturgess | | 18.10.90 | | Bedford & County | Bedford | 11 May 08 | |
| 158 | 51.4 | | | 50.51/50.1 | | George Baker | | 23.02.91 | | Cambridge & Coleridge | Ipswich | 11 May 08 | |
| 161 | 51.45 | i | | 51.45i | PB | Omar Mansour | | 16.07.91 | | Woodford Green Essex Ladies | Lee Valley | 7 Dec 08 | |
| 162 | 51.46 | | | 50.22/50.0 | | Cameron Webb | | 08.04.91 | Paul Keeble | Stevenage & North Herts | Cambridge | 6 Jul 08 | |
| 163 | 51.47 | | | 51.13/51.0 | | Tom Roberts | | | | Leeds City | Sheffield | 11 May 08 | |
| 164 | 51.5 | | | 51.31 | | Callum Skelley | | 03.05.90 | | Exeter | Exeter | 13 Apr 08 | |
| 164 | 51.5 | | | 51.5 | PB | Matthew Mayor | | 15.11.90 | | Rushcliffe | Nottingham | 10 May 08 | |
| 164 | 51.5 | | | 49.67 | | Andrew Szarkowski | | 09.07.90 | | Amber Valley | Tamworth | 25 May 08 | |
| 164 | 51.5 | | | 50.14/50.0 | | Ben Parnell | | 13.02.90 | | Team Southampton | Southampton | 14 Jun 08 | |
| 51.86 | | | | | | | | | | Portsmouth | 11 May 08 | |
| 164 | 51.5 | | | 51.5 | PB | Paul Hipwell | | 01.05.90 | | Oxford City | Abingdon | 15 Jun 08 | |
| 164 | 51.5 | | | 50.62 | | Andrew Richardson | | 25.09.90 | John Stephenson | Tynedale | Middlesbrough | 21 Jun 08 | |
| 164 | 51.5 | | | 50.57/50.3 | | Alexander Blair | | 05.10.90 | | Blackheath & Bromley | Catford | 12 Jul 08 | |
| 51.75 | | | | | | | | | | Crystal Palace | 14 Jun 08 | |
| 171 | 51.52 | | | 51.52 | PB | Fred Woods | | | | Surrey Schs | Kingston | 14 Jun 08 | |
| 171 | 51.52 | | | 51.52 | PB | Adam Timms | | 22.09.90 | | Pudsey & Bramley | Birmingham | 20 Sep 08 | |
| 173 | 51.58 | | | 51.58 | PB | Matthew Loveridge | | 25.09.89 | | Guernsey | Portsmouth | 11 May 08 | |
| 174 | 51.6 | | | 51.6 | PB | Ryan Farrington | | 02.03.89 | Andy Paul | Birchfield H | Stoke | 10 May 08 | |
| 174 | 51.6 | | | 51.6 | PB | Bradley Armorgie | | 25.04.90 | | Herts Phoenix | Barking | 25 May 08 | |
| 174 | 51.6 | | | 51.38 | | Matt Grant | | 14.09.90 | | South London | Perivale | 28 Jun 08 | |
| 174 | 51.6 | | | 51.74/51.6 | PB | Callum McCabe | | 08.04.91 | Darrell Maynard | Trafford | Brecon | 5 Jul 08 | |
| 174 | 51.6 | | | 48.67 | | Ross Allen | | 12.08.91 | Darrell Maynard | Rugby & Northampton | Mansfield | 27 Jul 08 | |
| 174 | 51.6 | | | 50.65 | | Gareth Lamb | | 13.03.91 | Liz McColgan | Dundee Hawkhill | Perth | 9 Aug 08 | |
| 174 | 51.6 | | | 51.6 | PB | Adam Binns | | 18.07.90 | | Nene Valley | Peterborough | 17 Aug 08 | |
| 174 | 51.6 | | | 50.29 | | Michael Holden | | 05.01.89 | Antonio Minichiello | Colchester H | Peterborough | 17 Aug 08 | |
| 51.64 | | | | | | | | | | Stoke | 6 Sep 08 | |
| 182 | 51.61 | | | 51.61/50.5 | PB | Steve Horton | | 03.09.89 | Steve Horton | Tipton | Birmingham (Un) | 5 May 08 | |
| 183 | 51.63 | | | 48.08 | | Lumar Sylvester | | 13.07.91 | Clarence Callender | Thames Valley | Bedford | 21 Jun 08 | |
| 184 | 51.68 | | | 51.68 | PB | Alex Jackson | | 07.12.89 | | Epsom & Ewell | Kingston | 10 May 08 | |
| 185 | 51.69 | | | 51.33 | | Ian Jones T44 | | 30.12.89 | John Dunne | East Cheshire | Beijing, CHN | 16 Sep 08 | |
| 186 | 51.7 | | | 49.79 | | Richard Curl | | 14.03.91 | Martyn Jones | Sparkhill | Tipton | 13 Apr 08 | |
| 186 | 51.7 | | | 52.52/51.7 | PB | Graeme Gibson | | 02.02.90 | Eric Simpson | Dunfermline & West Fife | Grangemouth | 27 Apr 08 | |
| 186 | 51.7 | | | 52.27/51.7 | PB | Davey Platt | | 29.10.90 | | North Devon | Exeter | 10 May 08 | |
| 186 | 51.7 | | | 49.07i | | Christopher Wakeford | | 27.10.89 | Colin Bovell | Tonbridge | Yeovil | 28 Jun 08 | |
| 186 | 51.7 | | | 50.50 | | Liam McGarrigle | | 02.04.91 | | Basingstoke & Mid Hants | Basingstoke | 14 Sep 08 | |
| 186 | 51.7 | | | 51.76/51.5 | | Jack Rossini | | 04.03.91 | | Dacorum & Tring | Hemel Hempstead | 23 Sep 08 | |
| 192 | 51.71 | i | | 51.71i | PB | Josh Saydraouten | | 20.02.90 | | Herts Phoenix | Lee Valley | 9 Mar 08 | |
| 192 | 51.71 | | | 50.37 | | Allan Ramsay | | 05.04.90 | | Kirkintilloch | East Kilbride | 23 Jul 08 | |
| 194 | 51.75 | | | 50.68i | | Zak Saucede | | 22.06.89 | | Enfield & Haringey | Abingdon | 31 Aug 08 | |
| 195 | 51.80 | | | 51.80 | PB | Jamie Clements | | 18.09.89 | Kenneth Clements | East Kilbride | Linwood | 28 May 08 | |
| 196 | 51.8 | | | 51.8 | PB | Daniel Zip | | | | Liverpool H | Leeds | 27 Apr 08 | |
| 197 | 51.81 | | | 50.16 | | Errol Houston | | 19.04.91 | Martey Newman | Enfield & Haringey | Parliament Hill | 9 Aug 08 | |
| 198 | 51.84 | | | 51.84 | PB | Craig McEwan | | 27.06.89 | | Whitemoss | Birmingham | 31 May 08 | |
| 198 | 51.84 | | | 50.10i | | Lee Whiteley | | 12.07.89 | Danny Gray | Sale Harriers Manchester | Derby | 14 Sep 08 | |
| 198 | 51.84 | | | 51.65/51.6 | | Shaun Leigh | | 27.09.90 | Steve King | Brighton & Hove | Birmingham | 20 Sep 08 | |
| 201 | 51.86 | | | 51.72 | | Douglas Hudson | | 07.09.89 | | St. Albans AC | Watford | 9 Apr 08 | |
| 202 | 51.87 | | | 51.87 | PB | Michael Batiste | | 22.03.90 | | Guernsey | St. Peter Port | 24 May 08 | |
| 203 | 51.90 | | | 50.96 | | Ayrton Richards | | | | Epsom & Ewell | Kingston | 10 May 08 | |
| 204 | 51.9 | | | 50.00 | | James Wildish | | 16.08.91 | David Hull | Tonbridge | Tonbridge | 27 Jul 08 | |
| 204 | 51.9 | | | 49.49/49.3 | | Sam Thorpe | | 06.04.90 | Ricky David Thorpe | Rotherham | Doncaster | 25 Aug 08 | |
| 206 | 51.93 | | | 50.33 | | Karl McDonagh | | 29.07.90 | | Scunthorpe | Hull | 13 Apr 08 | |
| 207 | 51.94 | | | 51.36 | | Mark Hoy | | 21.07.91 | | Mid Ulster | Antrim | 5 Jul 08 | |
| 208 | 51.98 | | | 51.98 | PB | Craig Skiffington | | 19.09.90 | | Pitreavie | Edinburgh | 17 May 08 | |
| 208 | 51.98 | | | 46.76 | | Tim Burn | | 29.07.90 | Christiane Claire Adams | Richmond & Zetland | Gateshead | 23 Aug 08 | |
| 210 | 52.0 | | | 53.41/52.0 | PB | Michael Dixon | | 20.03.89 | | Durham | Durham | 26 Apr 08 | |
| 210 | 52.0 | | | 52.09/52.0 | PB | Aamir Walwyn | | 03.09.90 | | West Cheshire | Macclesfield | 14 Jun 08 | |
| 210 | 52.0 | | | 52.65/52.0 | PB | Ben Gibb | | 17.09.90 | Gareth Lease | Yeovil | Yeovil | 28 Jun 08 | |
| 210 | 52.0 | | | 51.35/51.0 | | Andrew McElwee | | 17.06.89 | | Ayr Seaforth | Edinburgh | 29 Jun 08 | |
| 210 | 52.0 | | | 51.29/51.2 | | Sacha Henty | | 30.10.90 | | Eastbourne | Catford | 12 Jul 08 | |
| 210 | 52.0 | | | 54.90/52.0 | PB | Lee Coogan | | 05.12.89 | | Cambridge H | Tonbridge | 27 Jul 08 | |
| 50.38 | | | 48.43 | | Femi Owolade | | 15.03.89 | | Cambridge H | Kingston | 19 Apr 08 | |
| 50.4 | | | 54.87/50.4 | PB | Noel Collins | | | | Omagh | Belfast | 7 May 08 | |