| Rank | Perf | Name | Venue | Date | |||
| 1 | 47.8 | Jack Green ð | Marsa, MLT | 18 Apr 09 | |||
| 2 | 47.94 | Jack Green ð | Hendon | 24 Apr 10 | |||
| 3 | 49.09 | Lawrence Wooldridge | Bedford | 21 Jun 08 | |||
| 4 | 49.1 | Peter Morgan (2c) | Gateshead | 7 Jun 08 | |||
| 5 | 49.3 | Stuart Wenden | Crystal Palace | 12 May 02 | |||
| 6 | 49.35 | Stuart Wenden | Nottingham | 13 Jul 02 | |||
| 7 | 49.57 | Peter Morgan (2c) | Bedford | 21 Jun 08 | |||
| 8 | 49.6 | Victor Barzey | Hoo | 24 Jul 05 | |||
| 9 | 49.67 | Victor Barzey | Gateshead | 10 Jul 04 | |||
| 10 | 50.26 | Howard Frost | Birmingham | 16 Sep 00 | |||
| 11 | 50.32 | Antoni Davis-Phillip | Ashford | 11 May 08 | |||
| 12 | 50.34 | Shaun Mulligan | Crystal Palace | 10 Jun 05 | |||
| 13 | 50.85 | Mark Cryer (2c) | Bedford | 26 May 12 | |||
| 14 | 51.31 i | Aaron McCammon | Birmingham | 19 Feb 06 | |||
| 15 | 51.5 | Lee Hamilton | Yeovil | 19 Apr 09 | |||
| 16 | 52.2 | Elliott Gayle | Catford | 26 Jun 14 | |||
| 17 | 52.9 | Robert Clark (2c) | Hull | 12 Aug 07 | |||
| 18 | 53.0 | Troy Flood | Ashford | 7 May 06 | |||
| 19 | 53.09 | Troy Flood | Ashford | 14 May 06 | |||
| 20 | 53.5 | Max Harbord | Gillingham | 20 Aug 16 | |||
| 21 | 53.9 | Stanley Forman Wilshaw | Eltham | 16 Sep 20 | |||
| 22 | 53.94 | Max Harbord | Eltham | 18 Jun 16 | |||
| 23 | 54.32 | Luke Caister | Kingston | 13 Jul 13 | |||
| 24 | 55.1 | Said Gabo | Catford | 26 Jun 14 | |||
| 25 | 55.26 | Quazar Mays | Eltham | 21 Jul 10 | |||
| 26 | 55.6 | Jay Hill (2c) | Par | 13 Sep 09 | |||
| 27 | 57.32 | Said Gabo | Tooting Bec | 13 Aug 14 |
This ranking table compiled on: Wednesday 27th April 2022 14:02:44 (from file)
(2c) = 2nd claim
*K = data from historic Kent AC records (compiled by Len R)
All other data provided by The Power of 10 from British Athletics
Errors and omissions can be submitted by email to
Club Best performance tables for each year are available : Club Best Perfomances