| Boys 100 Metres HEAT 1
(Motspur Park, 19 May) | | 1 | | Ray Burke | (Croydon Harriers) | 12.5 | 0.0 | | | | | 2 | | C Richards | (Mitcham AC) | 12.6 | 0.0 | | | | | 3 | | Steven Gordon | (South London Harriers) | 12.7 | 0.0 | | | | | 4 | | B Furness | (Mitcham AC) | 12.7 | 0.0 | | | | | 5 | | C Hollis | (Aldershot, Farnham & District AC) | 13.8 | 0.0 | | | | | 6 | | Christopher Golledge | (Croydon Harriers) | 13.9 | 0.0 | | | |
| | | Boys 100 Metres HEAT 2
(Motspur Park, 19 May) | | 1 | | Robert Jackson | (Waverley Harriers) | 12.6 | -1.3 | | | | | 2 | | Colin Williams | (Croydon Harriers) | 12.6 | -1.3 | | | | | 3 | | G Fookes | (Sutton & Cheam Harriers) | 12.6 | -1.3 | | | | | 4 | | M Spicer | (Garth School, Morden) | 13.1 | -1.3 | | | | | 5 | | P Scott | (Haslemere Border AC) | 13.1 | -1.3 | | | | | 6 | | C Street | (Mitcham AC) | 14.4 | -1.3 | | | |
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| Boys 100 Metres HEAT 3
(Motspur Park, 19 May) | | 1 | | Scott Fuller | (Hercules Wimbledon AC) | 12.6 | +0.2 | | | | | 2 | | David McKenzie | (Croydon Harriers) | 12.7 | +0.2 | | | | | 3 | | A Thomas | (Wandsworth School) | 12.9 | +0.2 | | | | | 4 | | M Brimble | (Camberley & District AC) | 13.8 | +0.2 | | | | | 5 | | R Gilbert | (Camberley & District AC) | 14.7 | +0.2 | | | |
| | | Boys 100 Metres FINAL
(Motspur Park, 19 May) | | 1 | | Ray Burke | (Croydon Harriers) | 11.9 | +0.1 | | | | | 2 | | Robert Jackson | (Waverley Harriers) | 12.3 | +0.1 | | | | | 3 | | David McKenzie | (Croydon Harriers) | 12.3 | +0.1 | | | | | 4 | | C Richards | (Mitcham AC) | 12.5 | +0.1 | | | | | 5 | | Colin Williams | (Croydon Harriers) | 12.6 | +0.1 | | | | | 6 | | Scott Fuller | (Hercules Wimbledon AC) | 12.6 | +0.1 | | | |
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