| Under-15 Boys 100 Metres HEAT 1 (Kingsmeadow Stadium, 26 July) | 1 | | Lawrence Munro | (Walton AC) | 12.2 | | | | | 2 | | Andrew Gubbins | (Woking AC) | 12.5 | | | | | 3 | | Alex Burns | (Richmond & Twickenham AC) | 12.9 | | | | | 4 | | Nathan Cleghorn | (Hercules Wimbledon AC) | 13.0 | | | | | 5 | | James Bull | (Hercules Wimbledon AC) | 13.0 | | | | |
| | | Under-15 Boys 100 Metres HEAT 2 (Kingsmeadow Stadium, 26 July) | 1 | | Tim Sinclair | (Sutton & District AC) | 12.2 | | | | | 2 | | Robert Graham | (Hercules Wimbledon AC) | 12.2 | | | | | 3 | | Aran Lackey | (Redhill & Surrey Beagles AC) | 12.3 | | | | | 4 | | Christopher Brown | (Cheam HS) | 12.5 | | | | | 5 | | Edward Sharpe | (Richmond & Twickenham AC) | 12.6 | | | | | 6 | | Richard Tinka | (Hercules Wimbledon AC) | 13.1 | | | | | 7 | | James Churchman | (Guildford & Godalming AC) | 13.2 | | | | |
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