(1) | 23.43/+1.0 | CBP | Jaleel Roper | (Hercules Wimbledon AC) | 1 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(2) | 24.24/+1.9 | | Trey Lindsay | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(3) | 24.48/+1.6 | | Trey Lindsay | (Croydon Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 11 May 2024 |
(4) | 24.53/-0.1 | CBP | Jaleel Roper | (Hercules Wimbledon AC) | 1 HEAT 2 | Kingsmeadow Stadium | 23 May 2015 |
(5) | 24.63/+0.3 | CBP | Charles Hagan | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(6) | 24.81/-1.6 | | Elliott Turbin | (Hercules Wimbledon AC) | 1 HEAT 1 | Kingsmeadow Stadium | 31 July 2021 |
(7) | 25.16/0.0 | CBP | Charles Hagan | (Croydon Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 24 May 2014 |
(8) | 25.36/-0.6 | | Elliott Turbin | (Hercules Wimbledon AC) | 1 FINAL | Kingsmeadow Stadium | 31 July 2021 |
(9) | 25.51/0.7 | | Piers Spencer-Simms | (Blackheath & Bromley Harriers AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2023 |
(10) | 25.52/+0.3 | | Jaleel Roper | (Hercules Wimbledon AC) | 2 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(11) | 25.73/-1.1 | | Piers Spencer-Simms | (Blackheath & Bromley Harriers AC) | 1 HEAT 2 | Kingsmeadow Stadium | 13 May 2023 |
(12) | 25.9/+2.8 | CBP | Alan Kacou | ((ArchMR S)) | 1 FINAL | Kingsmeadow Stadium | 12 May 2001 |
(13) | 26.0/0.0 | CBP | David McKenzie | (Croydon Harriers) | 1 FINAL | Motspur Park | 21 May 1983 |
(14) | 26.03/-0.6 | | Ayo Salako | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2017 |
(15) | 26.12/-1.0 | | Deji Bello | (South London Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 12 May 2018 |
(16) | 26.16/-0.1 | | Deji Bello | (South London Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2018 |
(17) | 26.2/-0.2 | | Martin Giraud | (Hercules Wimbledon AC) | 1 FINAL | Croydon Arena | 20 May 1990 |
| 26.2/-0.2 | | Stephen Mitchell | (Epsom & Ewell Harriers) | 2 FINAL | Croydon Arena | 20 May 1990 |
(19) | 26.30/-2.7 | | Ethan Murray | (South London Harriers) | 1 FINAL | Kingsmeadow Stadium | 25 May 2013 |
(20) | 26.31/-2.6 | | Ibukun Akintola | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2019 |
(21) | 26.35/-2.2 | | Joseph Massimo | (Crawley AC) | 1 FINAL | Kingsmeadow Stadium | 12 May 2012 |
| 26.35/-0.1 | | Hayden Evans | (Walton AC) | 2 FINAL | Kingsmeadow Stadium | 12 May 2018 |
| 26.35/-1.0 | | Ibukun Akintola | (Croydon Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 11 May 2019 |
(24) | 26.36/-1.0 | | Dante Clarke | (Herne Hill Harriers) | 2 HEAT 2 | Kingsmeadow Stadium | 12 May 2018 |
(25) | 26.37/-1.1 | | Jaleel Roper | (Hercules Wimbledon AC) | 1 HEAT 3 | Kingsmeadow Stadium | 24 May 2014 |
(26) | 26.4 | | Louis Burgess | (Epsom & Ewell Harriers) | 1 FINAL | Stompond Lane, Walton | 1 July 1995 |
| 26.4 | | Mark Skryzpczyk | (Croydon Harriers) | 2 FINAL | Stompond Lane, Walton | 1 July 1995 |
(28) | 26.41/+1.5 | | Sunny Adebanji | ((AMRTC)) | 1 FINAL | Kingsmeadow Stadium | 14 May 2005 |
(29) | 26.42/-1.3 | | Hayden Evans | (Walton AC) | 1 HEAT 1 | Kingsmeadow Stadium | 12 May 2018 |
(30) | 26.44/+1.9 | | Cayden Campbell | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(31) | 26.48/-0.6 | | Jaedon Wilson | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 13 May 2017 |
(32) | 26.53/+1.0 | | Miles Ayoola | (Hercules Wimbledon AC) | 2 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(33) | 26.55/-2.2 | | Eric Sarfo | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 12 May 2012 |
(34) | 26.59/0.7 | | Kalvyn Mills | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 13 May 2023 |
(35) | 26.6 | | David McKenzie | (Croydon Harriers) | 1 S-FINAL 1 | Motspur Park | 21 May 1983 |
(36) | 26.67/-2.2 | | Ayo Salako | (Croydon Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 13 May 2017 |
(37) | 26.68/-1.9 | | Ethan Murray | (South London Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 25 May 2013 |
(38) | 26.7 | | David McKenzie | (Croydon Harriers) | 1 HEAT 3 | Motspur Park | 17 May 1983 |
(39) | 26.75/-3.2 | | Joseph Massimo | (Crawley AC) | 1 HEAT 1 | Kingsmeadow Stadium | 12 May 2012 |
(40) | 26.80/-0.8 | | Ayoola Miles | (Hercules Wimbledon AC) | 1 HEAT 1 | Kingsmeadow Stadium | 23 May 2015 |
(41) | 26.87 | | Michael Crabtree | (Woking AC) | 1 FINAL | Kingsmeadow Stadium | 10 May 2003 |
| 26.87/-1.7 | | Cristiano Anah | (Crawley AC) | 1 HEAT 2 | Kingsmeadow Stadium | 31 July 2021 |
(43) | 26.90/+1.9 | | Keagan Stricker-Timmermans | (Reigate Priory AC) | 3 FINAL | Kingsmeadow Stadium | 11 May 2024 |
| 26.90/-0.1 | | Cayden Campbell | (Croydon Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 11 May 2024 |
(45) | 26.92/+1.0 | | Tyvon Inniss | (Croydon Harriers) | 3 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(46) | 26.94/+1.9 | | Sam Sloman | (Walton AC) | 4 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(47) | 26.98/-0.6 | | Cristiano Anah | (Crawley AC) | 2 FINAL | Kingsmeadow Stadium | 31 July 2021 |
(48) | 27.0 | | Michael Crabtree | (Woking AC) | 1 HEAT 2 | Kingsmeadow Stadium | 10 May 2003 |
(49) | 27.01/1.5 | | Desimi Akinyanju | (Woking AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(50) | 27.03/-1.1 | | Kalvyn Mills | (Croydon Harriers) | 2 HEAT 2 | Kingsmeadow Stadium | 13 May 2023 |
(51) | 27.05 | | Nathan Flowers | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 10 May 2003 |
(52) | 27.07/-2.2 | | Jaedon Wilson | (Sutton & District AC) | 2 HEAT 2 | Kingsmeadow Stadium | 13 May 2017 |
(53) | 27.1 | | Antony Maule | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 27 July 1997 |
(54) | 27.11/-0.6 | | Aaron Houlton | (Holland Sports AC) | 3 FINAL | Kingsmeadow Stadium | 13 May 2017 |
| 27.11/+3.2 | | Keagan Stricker-Timmermans | (Reigate Priory AC) | 1 HEAT 3 | Kingsmeadow Stadium | 11 May 2024 |
(56) | 27.13/-0.6 | | Clayton Mytil | (Herne Hill Harriers) | 4 FINAL | Kingsmeadow Stadium | 13 May 2017 |
(57) | 27.15/-2.3 | | Russell Dacosta | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2016 |
| 27.15/1.5 | | Freddy Ricketts | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(59) | 27.18/-1.6 | | Noah Ojumu | (Herne Hill Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 14 May 2016 |
(60) | 27.2 ng | | Alistair Hinze | (Herne Hill Harriers) | 1 FINAL | Spectrum, Guildford | 4 July 1998 |
| 27.2/-1.3 | | Richard Greenberg | (Guildford & Godalming AC) | 1 FINAL | Croydon Arena | 13 May 2000 |
(62) | 27.22/-1.0 | | Vittorio Anah | (Crawley AC) | 2 HEAT 2 | Kingsmeadow Stadium | 11 May 2019 |
(63) | 27.24/-2.6 | | Vittorio Anah | (Crawley AC) | 2 FINAL | Kingsmeadow Stadium | 11 May 2019 |
| 27.24/+1.9 | | Jamari Roper | (Hercules Wimbledon AC) | 5 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(65) | 27.3/+0.7 | | Duane Carter | (Camberley & District AC) | 1 FINAL | Tooting Bec | 17 May 1987 |
(66) | 27.31/-0.1 | | Tyvon Inniss | (Croydon Harriers) | 2 HEAT 2 | Kingsmeadow Stadium | 23 May 2015 |
(67) | 27.35 | | Rohan Henry | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 9 May 2009 |
(68) | 27.37/1.5 | | Piers Spencer-Simms | (Blackheath & Bromley Harriers AC) | 3 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(69) | 27.38 | | Rohan Henry | (Croydon Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 9 May 2009 |
| 27.38/-0.8 | | Emmanuel Gray | (Herne Hill Harriers) | 2 HEAT 1 | Kingsmeadow Stadium | 23 May 2015 |
(71) | 27.39/-0.4 | | Desimi Akinyanju | (Woking AC) | 1 HEAT 1 | Kingsmeadow Stadium | 14 May 2022 |
(72) | 27.4/0.0 | | P Scott | (Haslemere Border AC) | 2 FINAL | Motspur Park | 21 May 1983 |
| 27.4/+0.7 | | Darren Dods | (Woking AC) | 2 FINAL | Tooting Bec | 17 May 1987 |
| 27.4/+0.8 | | Simon Roll | (Hercules Wimbledon AC) | 1 FINAL | Tooting Bec | 21 May 1989 |
| 27.40/-1.6 | | Courtney Marshall | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2002 |
| 27.4 | | Nathan Flowers | (Herne Hill Harriers) | 2 HEAT 2 | Kingsmeadow Stadium | 10 May 2003 |
(77) | 27.43/-0.1 | | Sam Sloman | (Walton AC) | 2 HEAT 2 | Kingsmeadow Stadium | 11 May 2024 |
(78) | 27.46/-1.3 | | Jesaiah Richards | (Croydon Harriers) | 2 HEAT 1 | Kingsmeadow Stadium | 12 May 2018 |
(79) | 27.48/-2.3 | | Noah Ojumu | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 14 May 2016 |
(80) | 27.49/+1.0 | | Emmanuel Gray | (Herne Hill Harriers) | 4 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(81) | 27.5 | | P Scott | (Haslemere Border AC) | 1 S-FINAL 2 | Motspur Park | 21 May 1983 |
| 27.5 | | M Helayel | (Woking AC) | 1 FINAL | Motspur Park | 17 May 1984 |
| 27.5 | | A Scott | (Wilsons School, Wallington) | 2 FINAL | Motspur Park | 17 May 1984 |
| 27.5w/(+3.00) | | N Forster | (Holland & Oxted AC) | 1 FINAL | Motspur Park | 17 May 1986 |
| 27.5 | | D Jackman | (Belgrave Harriers) | 1 FINAL | Croydon Arena | 19 May 1991 |
| 27.5 | | Simon Watson | (Reigate Priory AC) | 2 FINAL | Kingsmeadow Stadium | 27 July 1997 |
| 27.50/-0.1 | | Thomas White | (Kingston AC & Polytechnic Harriers) | 3 HEAT 2 | Kingsmeadow Stadium | 23 May 2015 |
(88) | 27.51/-2.2 | | Tom McGachie | (Dorking Mole Valley AC) | 3 FINAL | Kingsmeadow Stadium | 12 May 2012 |
| 27.51/-2.2 | | Aaron Houlton | (Holland Sports AC) | 3 HEAT 2 | Kingsmeadow Stadium | 13 May 2017 |
(90) | 27.52/-0.1 | | Mats Lindstrom | (Guildford & Godalming AC) | 4 HEAT 2 | Kingsmeadow Stadium | 23 May 2015 |
(91) | 27.54 | | Rohan Henry | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 8 May 2010 |
| 27.54/+1.0 | | Mats Lindstrom | (Guildford & Godalming AC) | 5 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(93) | 27.56 | | Ayomide Segun | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 9 May 2009 |
| 27.56/+0.3 | | Joe Harmsworth | (Sutton & District AC) | 3 FINAL | Kingsmeadow Stadium | 24 May 2014 |
| 27.56/+1.9 | | Mason Elwin-Davis | (Herne Hill Harriers) | 6 FINAL | Kingsmeadow Stadium | 11 May 2024 |
| 27.56/+3.2 | | Marius Harman | (Croydon Harriers) | 2 HEAT 3 | Kingsmeadow Stadium | 11 May 2024 |
(97) | 27.6/-0.2 | | Nathan Honour | (Woking AC) | 3 FINAL | Croydon Arena | 20 May 1990 |
| 27.6 | | Mark Skryzpczyk | (Croydon Harriers) | 1 HEAT 1 | Stompond Lane, Walton | 1 July 1995 |
| 27.6 | | Christopher Tye-Walker | (Camberley & District AC) | 3 FINAL | Stompond Lane, Walton | 1 July 1995 |
| 27.6/0.0 | | Daniel Davies | | 1 HEAT 1 | Croydon Arena | 13 May 2000 |
|
100 performances of 27.60 or better. |