| Senior Men 400 Metres HEAT 1
(Motspur Park, 17 May) | | 1 | | Paul Batten | (Essex Beagles) | 50.0 | | | | | | 2 | | G Sagar | (Belgrave Harriers) | 50.6 | | | | | | 3 | | W Abrehart | (Mitcham AC) | 52.5 | | | | | | 4 | | Maurice Evans | (Herne Hill Harriers) | 52.5 | | | | | | 5 | | G Woodger | (Collingwood AC) | 53.4 | | | | | | 6 | | M Harvey | (Collingwood AC) | 54.2 | | | | |
| | | Senior Men 400 Metres HEAT 2
(Motspur Park, 17 May) | | 1 | | Bolaji Odunsi | (Croydon Harriers) | 50.1 | | | | | | 2 | | A Mitchell | (Woking AC) | 51.0 | | | | | | 3 | | Keith Andrew | (Hercules Wimbledon AC) | 52.5 | | | | | | 4 | | Mark Clark | (Thames Valley Harriers) | 52.6 | | | | | | 5 | | R Chapman | (South London Harriers) | 52.9 | | | | | | 6 | | P Harvey | (Collingwood AC) | 54.3 | | | | |
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