| Senior Men 400 Metres HEAT 1
(Croydon Arena, 14 May) | | 1 | | Darren Bernard | (Herne Hill Harriers) | 48.6 | | | | | | 2 | | Glenn Gray | (Thames Valley Harriers) | 50.4 | | | | | | 3 | | A Vaughan | (Kingston AC & Polytechnic Harriers) | 50.6 | | | | | | 4 | | Mark Butler | (Epsom & Ewell Harriers) | 51.6 | | | | | | 5 | | Sam Kabiswa | (Croydon Harriers) | 51.6 | | | | | | 6 | | Richard Hull | (Hercules Wimbledon AC) | 51.7 | | | | |
| | | Senior Men 400 Metres HEAT 2
(Croydon Arena, 14 May) | | 1 | | David McKenzie | (Shaftesbury Barnet Harriers) | 48.6 | | | | | | 2 | | Jon Sanders | (Kingston AC & Polytechnic Harriers) | 50.9 | | | | | | 3 | | Chris Harris | (Woking AC) | 51.8 | | | | | | 4 | | Mark Purser | (Croydon Harriers) | 52.0 | | | | | | 5 | | C Bleasdale | (Guildford & Godalming AC) | 52.4 | | | | | | 6 | | S Dehaney | (Croydon Harriers) | 52.8 | | | | |
|
