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| Boys 100 Metres HEAT 1 (Motspur Park, 21 May) | 1 | | Kevin Fitzpartick | (Croydon Harriers) | 11.9 | 0.0 | | | | 2 | | Ray Burke | (Croydon Harriers) | 11.9 | 0.0 | | | | 3 | | S Robson | (Holl) | 13.1 | 0.0 | | | | 4 | | B Zreik | (Belgrave Harriers) | 13.1 | 0.0 | | | | 5 | | N Phillips | (Mitcham AC) | 13.4 | 0.0 | | | | 6 | | R Van Den Boom | (Woking AC) | 13.9 | 0.0 | | | | 7 | | S Warr | (Belgrave Harriers) | 14.3 | 0.0 | | | |
| | | Boys 100 Metres HEAT 2 (Motspur Park, 21 May) | 1 | | P Hutchinson | (Wandsworth School) | 12.2 | 0.0 | | | | 2 | | G Warr | (Belgrave Harriers) | 12.8 | 0.0 | | | | 3 | | T Jordan | (Hercules Wimbledon AC) | 12.8 | 0.0 | | | | 4 | | A Jeff | (Redhill & Reigate AC) | 13.1 | 0.0 | | | | 5 | | J Staples | (Sutton & Cheam Harriers) | 13.9 | 0.0 | | | | 6 | | E Danvers | (Mitcham AC) | 14.0 | 0.0 | | | | 7 | | R Richardson | (Mitcham AC) | 15.7 | 0.0 | | | |
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| Boys 100 Metres HEAT 3 (Motspur Park, 21 May) | 1 | | M Harvey | (East Grinstead AC) | 12.8 | +1.6 | | | | 2 | | L Campbell | (Sutton & Cheam Harriers) | 12.8 | +1.6 | | | | 3 | | S Hines | (Garth School, Morden) | 13.0 | +1.6 | | | | 4 | | M Brimble | (Camberley & District AC) | 13.7 | +1.6 | | | | 5 | | S Brett | (Epsom & Ewell Harriers) | 13.7 | +1.6 | | | | 6 | | C Watkins | (Hercules Wimbledon AC) | 13.7 | +1.6 | | | | 7 | | L Walton | (Holl) | 14.1 | +1.6 | | | |
| | | Boys 100 Metres HEAT 4 (Motspur Park, 21 May) | 1 | | M Jones | (Garth School, Morden) | 12.5 | 0.0 | | | | 2 | | A Davis | | 12.6 | 0.0 | | | | 3 | | C Woodhall | (Camberley & District AC) | 12.7 | 0.0 | | | | 4 | | C Richards | (Mitcham AC) | 13.0 | 0.0 | | | | 5 | | B Furness | (Mitcham AC) | 13.4 | 0.0 | | | | 6 | | S Stratford | (Kings College School, Wimbledon) | 13.5 | 0.0 | | | | 7 | | D Savidge | (Redhill & Reigate AC) | 14.2 | 0.0 | | | |
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| Boys 100 Metres S-FINAL 1 (Motspur Park, 21 May) | 1 | | Kevin Fitzpartick | (Croydon Harriers) | 12.2 | -0.4 | | | | 2 | | P Hutchinson | (Wandsworth School) | 12.2 | -0.4 | | | | 3 | | A Davis | | 12.6 | -0.4 | | | | 4 | | C Woodhall | (Camberley & District AC) | 13.0 | -0.4 | | | | 5 | | S Hines | (Garth School, Morden) | 13.0 | -0.4 | | | | 6 | | G Warr | (Belgrave Harriers) | 13.1 | -0.4 | | | |
| | | Boys 100 Metres S-FINAL 2 (Motspur Park, 21 May) | 1 | | Ray Burke | (Croydon Harriers) | 12.2 | 0.0 | | | | 2 | | M Jones | (Garth School, Morden) | 12.6 | 0.0 | | | | 3 | | L Campbell | (Sutton & Cheam Harriers) | 13.0 | 0.0 | | | | 4 | | T Jordan | (Hercules Wimbledon AC) | 13.0 | 0.0 | | | | 5 | | M Harvey | (East Grinstead AC) | 13.3 | 0.0 | | | | 6 | | S Robson | (Holl) | 13.6 | 0.0 | | | |
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| Boys 100 Metres FINAL (Motspur Park, 21 May) | 1 | | Kevin Fitzpartick | (Croydon Harriers) | 11.8 | 0.0 | | | | 2 | | Ray Burke | (Croydon Harriers) | 11.8 | 0.0 | | | | 3 | | P Hutchinson | (Wandsworth School) | 12.1 | 0.0 | | | | 4 | | M Jones | (Garth School, Morden) | 12.2 | 0.0 | | | | 5 | | A Davis | | 12.7 | 0.0 | | | | 6 | | L Campbell | (Sutton & Cheam Harriers) | 13.1 | 0.0 | | | |
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