| Senior Men 800 Metres HEAT 1 (Motspur Park, 11 May) | 1 | | Martin Chuter (U23) | (Aldershot, Farnham & District AC) | 1:59.6 | | | Q | | 2 | | John Watts | (Aldershot, Farnham & District AC) | 1:59.7 | | | Q | | 3 | | B McKay | (Herne Hill Harriers) | 2:00.6 | | | Q | | 4 | | P Cowlyn | (Woking AC) | 2:01.2 | | | q | | 5 | | P Parish | (Herne Hill Harriers) | 2:03.6 | | | q | | 6 | | Nigel Jackman | (Sutton & Cheam Harriers) | 2:03.7 | | | | | 7 | | I Richardson | (Mitcham AC) | 2:07.3 | | | | | 8 | | M Yates | (Epsom & Ewell Harriers) | 2:17.6 | | | | |
| | | Senior Men 800 Metres HEAT 2 (Motspur Park, 11 May) | 1 | | John Greatrex | (South London Harriers) | 1:56.0 | | | Q | | 2 | | Chris Goscombe | (Surrey Beagles AC) | 2:01.3 | | | Q | | 3 | | Tony Owers | (Croydon Harriers) | 2:01.6 | | | Q | | 4 | | Stuart Littlewood | (Hercules Wimbledon AC) | 2:03.9 | | | | | 5 | | Alan Mead | (Belgrave Harriers) | 2:04.9 | | | | |
|