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| Senior Men 100 Metres HEAT 1 (Croydon Arena, 17 May) | 1 | | Tony Lester | (Windsor, Slough & Eton AC) | 11.4 | -0.2 | | | | 2 | | Lincoln Campbell | (Belgrave Harriers) | 11.5 | -0.2 | | | | 3 | | P Baker | (Herne Hill Harriers) | 11.6 | -0.2 | | | | 4 | | D Agoma | (Herne Hill Harriers) | 11.7 | -0.2 | | | | 5 | | Patrick Whyms | (Shaftesbury Barnet Harriers) | 11.8 | -0.2 | | | | 6 | | Mark Sexton | (Aldershot, Farnham & District AC) | 12.1 | -0.2 | | | |
| | | Senior Men 100 Metres HEAT 2 (Croydon Arena, 17 May) | 1 | | I Simpson | (Herne Hill Harriers) | 11.4 | -1.7 | | | | 2 | | Michael Powell | (Shaftesbury Barnet Harriers) | 11.5 | -1.7 | | | | 3 | | Gary Rennie | (Kingston AC & Polytechnic Harriers) | 11.7 | -1.7 | | | | 4 | | A Keattch | (Herne Hill Harriers) | 11.8 | -1.7 | | | | 5 | | I Westen | (Woking AC) | 12.0 | -1.7 | | | | 6 | | Stephen Gordon | (South London Harriers) | 12.2 | -1.7 | | | |
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| Senior Men 100 Metres HEAT 3 (Croydon Arena, 17 May) | 1 | | Terry Williams | (Shaftesbury Barnet Harriers) | 11.5 | +0.6 | | | | 2 | | E Robinson | (Herne Hill Harriers) | 11.5 | +0.6 | | | | 3 | | Sam Kabiswa | (Croydon Harriers) | 11.6 | +0.6 | | | | 4 | | P Kellman | (Herne Hill Harriers) | 11.7 | +0.6 | | | | 5 | | Anthony Tilney | (Epsom & Ewell Harriers) | 12.0 | +0.6 | | | |
| | | Senior Men 100 Metres S-FINAL 1 (Croydon Arena, 17 May) | 1 | | I Simpson | (Herne Hill Harriers) | 11.3 | -1.4 | | | | 2 | | E Robinson | (Herne Hill Harriers) | 11.5 | -1.4 | | | | 3 | | Lincoln Campbell | (Belgrave Harriers) | 11.7 | -1.4 | | | | 4 | | P Baker | (Herne Hill Harriers) | 11.9 | -1.4 | | | | 5 | | Gary Rennie | (Kingston AC & Polytechnic Harriers) | 11.9 | -1.4 | | | |
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| Senior Men 100 Metres S-FINAL 2 (Croydon Arena, 17 May) | 1 | | Michael Powell | (Shaftesbury Barnet Harriers) | 11.7 | (-4.1) | | | | 2 | | Terry Williams | (Shaftesbury Barnet Harriers) | 11.8 | (-4.1) | | | | 3 | | Sam Kabiswa | (Croydon Harriers) | 11.8 | (-4.1) | | | | 4 | | Tony Lester | (Windsor, Slough & Eton AC) | 12.0 | (-4.1) | | | | 5 | | A Keattch | (Herne Hill Harriers) | 12.1 | (-4.1) | | | | 6 | | D Agoma | (Herne Hill Harriers) | 12.1 | (-4.1) | | | |
| | | Senior Men 100 Metres FINAL (Croydon Arena, 17 May) | 1 | | Terry Williams | (Shaftesbury Barnet Harriers) | 11.0 | -0.1 | | | | 2 | | I Simpson | (Herne Hill Harriers) | 11.1 | -0.1 | | | | 3 | | E Robinson | (Herne Hill Harriers) | 11.3 | -0.1 | | | | 4 | | Tony Lester | (Windsor, Slough & Eton AC) | 11.3 | -0.1 | | | | 5 | | Sam Kabiswa | (Croydon Harriers) | 11.5 | -0.1 | | | | 6 | | Lincoln Campbell | (Belgrave Harriers) | 11.6 | -0.1 | | | | 7 | | P Baker | (Herne Hill Harriers) | 11.7 | -0.1 | | | | | | Michael Powell | (Shaftesbury Barnet Harriers) | DNF | | | | |
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