| Under-13 Boys 100 Metres HEAT 1 (Kingsmeadow Stadium, 26 July) | 1 | | Antony Maule | (Walton AC) | 13.5 | | | | | 2 | | Alistair Hinze | (Herne Hill Harriers) | 13.6 | | | | | 3 | | Richard Brooker | (Epsom & Ewell Harriers) | 14.1 | | | | | 4 | | Stewart Duffin | (Camberley & District AC) | 14.6 | | | | | 5 | | Garrett Smith | (Sutton & District AC) | 14.8 | | | | | 6 | | Luke Batchelor | (Hercules Wimbledon AC) | 15.1 | | | | |
| | | Under-13 Boys 100 Metres HEAT 2 (Kingsmeadow Stadium, 26 July) | 1 | | Simon Watson | (Reigate Priory AC) | 13.4 | | | | | 2 | | Louis Lammy | (Sutton & District AC) | 14.1 | | | | | 3 | | Oliver Yates | (Kingston AC & Polytechnic Harriers) | 14.2 | | | | | 4 | | Sebastian Jaunneau | (Sutton & District AC) | 14.4 | | | | | 5 | | Philip Kelly | (Kingston AC & Polytechnic Harriers) | 14.5 | | | | | 6 | | Gavin Simmons | (Kingston AC & Polytechnic Harriers) | 14.6 | | | | | 7 | | Jonathan Regan | (Sutton & District AC) | 16.0 | | | | |
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