| Senior Men 400 Metres HEAT 1
(Motspur Park, 13 May) | | 1 | | Allan Cord | (Herne Hill Harriers) | 50.5 | | | | | | 2 | | G Sagar | (London AC) | 51.4 | | | | | | 3 | | Jonathan Owen | (Hercules Wimbledon AC) | 51.8 | | | | | | 4 | | S Martin | (Surrey AC) | 52.7 | | | | | | 5 | | A Wigley | (Mitcham AC) | 52.9 | | | | | | 6 | | D Moffat | (Woking AC) | 57.5 | | | | |
| | | Senior Men 400 Metres HEAT 2
(Motspur Park, 13 May) | | 1 | | David Mote | (Surrey AC) | 50.5 | | | | | | 2 | | V Walker | (Surrey AC) | 51.5 | | | | | | 3 | | M Broad | (Sutton & Cheam Harriers) | 52.4 | | | | | | 4 | | A Farrell | (Surrey Beagles AC) | 53.0 | | | | | | 5 | | R Chapman | (South London Harriers) | 53.9 | | | | | | 6 | | T Knight | (Collingwood AC) | 56.2 | | | | |
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