| Senior Men 800 Metres HEAT 1 (Motspur Park, 15 May) | 1 | | Andrew Layfield | (Epsom & Ewell Harriers) | 1:54.8 | | | | | 2 | | P Weston | (Haslemere Border AC) | 1:55.6 | | | | | 3 | | Barry Attwell | (Epsom & Ewell Harriers) | 1:55.9 | | | | | 4 | | D Eglen | (Aldershot, Farnham & District AC) | 1:56.2 | | | | | 5 | | R Barrs-James | (Polytechnic Harriers) | 1:58.6 | | | | | 6 | | Peter Barratt | (Ealing & Southall AC) | 2:01.1 | | | | | 7 | | P Sullivan | (Hounslow AC) | 2:04.2 | | | | | 8 | | Dave Warren | (Croydon Harriers) | 2:11.9 | | | | |
| | | Senior Men 800 Metres HEAT 2 (Motspur Park, 15 May) | 1 | | Phil Norgate | (Epsom & Ewell Harriers) | 1:59.0 | | | | | 2 | | Martin Smith | (Polytechnic Harriers) | 1:59.0 | | | | | 3 | | J Barry | (Surrey AC) | 2:00.2 | | | | | 4 | | M Bench | (Hercules Wimbledon AC) | 2:01.4 | | | | | 5 | | D Askew | (Mitcham AC) | 2:02.7 | | | | | 6 | | P Coleman | (Epsom & Ewell Harriers) | 2:03.0 | | | | | 7 | | Stuart Rough | (Epsom & Ewell Harriers) | 2:05.9 | | | | | 8 | | E Kiscowicz | (South London Harriers) | 2:07.6 | | | | |
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| Senior Men 800 Metres HEAT 3 (Motspur Park, 15 May) | 1 | | Alistair Nicholson | (Epsom & Ewell Harriers) | 1:57.6 | | | | | 2 | | C Clarke | (Hercules Wimbledon AC) | 1:58.3 | | | | | 3 | | Michael Rezin | (Aldershot, Farnham & District AC) | 1:58.7 | | | | | 4 | | C Chuter | (Surrey AC) | 2:00.8 | | | | | 5 | | A Paton | (Collingwood AC) | 2:04.6 | | | | | 6 | | S Williams | (Belgrave Harriers) | 2:05.7 | | | | | 7 | | P Noke | (Aldershot, Farnham & District AC) | 2:06.4 | | | | | 8 | | R Chapman | (South London Harriers) | 2:12.7 | | | | |
| | | Senior Men 800 Metres FINAL (Motspur Park, 17 May) | 1 | | Barry Attwell | (Epsom & Ewell Harriers) | 1:53.8 | | | | | 2 | | Andrew Layfield | (Epsom & Ewell Harriers) | 1:54.0 | | | | | 3 | | C Clarke | (Hercules Wimbledon AC) | 1:55.1 | | | | | 4 | | Alistair Nicholson | (Epsom & Ewell Harriers) | 1:56.0 | | | | | 5 | | P Weston | (Haslemere Border AC) | 1:56.4 | | | | | 6 | | D Eglen | (Aldershot, Farnham & District AC) | 1:56.4 | | | | | 7 | | Michael Rezin | (Aldershot, Farnham & District AC) | 1:56.6 | | | | | 8 | | Martin Smith | (Polytechnic Harriers) | 1:57.1 | | | | | 9 | | J Barry | (Surrey AC) | 2:00.4 | | | | | 10 | | Phil Norgate | (Epsom & Ewell Harriers) | 2:04.3 | | | | |
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