(1) | 52.19 | CBP | Jacob Paul | (Windsor, Slough, Eton & Hounslow AC) | 1 FINAL | Kingsmeadow Stadium | 26 May 2013 |
(2) | 53.25 | CBP | Jacob Paul | (Windsor, Slough, Eton & Hounslow AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2012 |
(3) | 53.65 | | Hayden Christian | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2023 |
(4) | 54.33 | | Luke Dronfield | (Blackheath & Bromley Harriers AC) | 2 FINAL | Kingsmeadow Stadium | 14 May 2023 |
(5) | 54.5 | CBP | Gareth Lewis | ((Cheam HS)) | 1 FINAL | Wimbledon Park | 11 May 1997 |
(6) | 54.65 | | Tyri Donovan | (Windsor, Slough, Eton & Hounslow AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2017 |
(7) | 54.8 | | Austin Ferns | (Belgrave Harriers) | 1 FINAL | Kingsmeadow Stadium | 9 May 1998 |
(8) | 54.9 | | Austin Ferns | (Belgrave Harriers) | 1 FINAL | Kingsmeadow Stadium | 8 May 1999 |
| 54.90 | | Lolu Oluwole-Ojo | (Windsor, Slough, Eton & Hounslow AC) | 2 FINAL | Kingsmeadow Stadium | 26 May 2013 |
(10) | 55.29 | | Alex O'Callaghan-Brown | (Blackheath & Bromley Harriers AC) | 1 FINAL | Kingsmeadow Stadium | 12 May 2019 |
(11) | 55.67 | | Chris McAlister | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 25 May 2014 |
(12) | 55.82 | | Matt Threadgold | (Belgrave Harriers) | 1 FINAL | Kingsmeadow Stadium | 10 May 2009 |
(13) | 55.9 | | Maurice Evans | (Hercules Wimbledon AC) | 1 FINAL | Motspur Park | 27 April 1980 |
(14) | 56.12 | | Calum Beauchamp | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 15 May 2016 |
(15) | 56.3 | | Stephen Mitchell | (Epsom & Ewell Harriers) | 1 FINAL | Wimbledon Park | 30 April 1995 |
(16) | 56.43 | | Paul Cave | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 15 May 2011 |
(17) | 56.5 | | Steve Johnson | (Epsom & Ewell Harriers) | 1 FINAL | Motspur Park | 18 May 1974 |
| 56.5 | | Maurice Evans | (Hercules Wimbledon AC) | 1 FINAL | Motspur Park | 25 April 1981 |
(19) | 56.54 | | Tyri Donovan | (Epsom & Ewell Harriers) | 2 FINAL | Kingsmeadow Stadium | 15 May 2016 |
(20) | 56.55 | | Luke Dronfield | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 1 August 2021 |
(21) | 56.61 | | Tom Parry | (Kingston AC & Polytechnic Harriers) | 2 FINAL | Kingsmeadow Stadium | 10 May 2009 |
(22) | 56.69 | | Luke Dronfield | (Blackheath & Bromley Harriers AC) | 1 FINAL | Kingsmeadow Stadium | 15 May 2022 |
(23) | 56.8 | | Simon Rush | (Woking AC) | 1 FINAL | Croydon Arena | 15 May 1994 |
(24) | 56.9 | | Andrew Kennedy | (Croydon Harriers) | 1 FINAL | Motspur Park | 3 June 1969 |
(25) | 57.1 | | Joseph Stephenson | (St Josephs's College, Upper Norwood) | 1 FINAL | Motspur Park | 6 June 1972 |
(26) | 57.43 | CBP | Kieran Edward | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2006 |
(27) | 57.6 | | David Morrish | (Trinity School, Croydon) | 1 FINAL | Tooting Bec | 26 April 1987 |
(28) | 57.7 | | Peter Allen | (Hercules Wimbledon AC) | 2 FINAL | Motspur Park | 27 April 1980 |
| 57.7 | | Richard Sexton | (Trinity School, Croydon) | 2 FINAL | Tooting Bec | 26 April 1987 |
| 57.7 | | Michael Serra | (Woking AC) | 1 FINAL | Stompond Lane, Walton | 15 June 1996 |
(31) | 57.8 | | Anthony Scott | (Trinity School, Croydon) | 1 FINAL | Wimbledon Park | 1 May 1993 |
| 57.8 | | Ian Pease | (Hercules Wimbledon AC) | 2 FINAL | Croydon Arena | 15 May 1994 |
(33) | 57.83 | | Josef Hubbard | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2018 |
(34) | 57.9 | | Mike Mason | (Sutton & District AC) | 2 FINAL | Stompond Lane, Walton | 15 June 1996 |
(35) | 58.24 | | Matt Threadgold | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2008 |
(36) | 58.3 | | Andrew Goulding | (Bishop Thomas Grant School, Streatham) | 1 FINAL | Motspur Park | 14 May 1977 |
| 58.3 | | P Jameson | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 21 April 1991 |
| 58.3 | | Chris Woods | (Walton AC) | 2 FINAL | Wimbledon Park | 11 May 1997 |
(39) | 58.4 | | Simon Furlonger | (Woking AC) | 2 FINAL | Motspur Park | 25 April 1981 |
| 58.4 | | L Corneliussen | (Hercules Wimbledon AC) | 3 FINAL | Wimbledon Park | 11 May 1997 |
(41) | 58.5 | | A Frogley | (Haslemere Border AC) | 1 FINAL | Tooting Bec | 27 April 1986 |
(42) | 58.54 | | Adam Coates | (Epsom & Ewell Harriers) | 2 FINAL | Kingsmeadow Stadium | 12 May 2019 |
(43) | 58.6 | | J Donovan | (St Josephs's College, Upper Norwood) | 1 FINAL | Motspur Park | 19 May 1973 |
(44) | 58.68 | | Ashley Healy | (Blackheath & Bromley Harriers AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2007 |
(45) | 58.8 | | J Prendergast | (Guildford & Godalming AC) | 1 FINAL | Motspur Park | 7 June 1975 |
(46) | 59.0 | | J Clatworthy | (Dorking St Paul's AC) | 1 FINAL | Motspur Park | 27 May 1970 |
(47) | 59.1 | | Simon Hunt | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 9 May 1998 |
| 59.1 | | Simon Hunt | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 8 May 1999 |
(49) | 59.11 | | Jamie East | (Camberley & District AC) | 2 FINAL | Kingsmeadow Stadium | 13 May 2007 |
(50) | 59.18 | | Ayrton Richards | (Epsom & Ewell Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2008 |
|
50 performances of 59.18 or better. |