| Under-13 Boys 100 Metres HEAT 1 (Wimbledon Park, 8 May) | 1 | | J Salisbury | (Waverley Harriers) | 14.3 | -0.3 | | | | 2 | | Raza Ali | (Tiffin School, Kingston) | 14.3 | -0.3 | | | | 3 | | B Overton | (Dorking Mole Valley AC) | 14.5 | -0.3 | | | | 4 | | Ben Adams | (Dorking Mole Valley AC) | 14.5 | -0.3 | | | | 5 | | B Boniface | (Belgrave Harriers) | 15.0 | -0.3 | | | | 6 | | Mark Houghton | (Woking AC) | 15.6 | -0.3 | | | |
| | | Under-13 Boys 100 Metres HEAT 2 (Wimbledon Park, 8 May) | 1 | | Louis Burgess | (Epsom & Ewell Harriers) | 13.3 | -1.9 | | | | 2 | | J Harding | (Camberley & District AC) | 14.6 | -1.9 | | | | 3 | | Timothy Harris | (Waverley Harriers) | 14.8 | -1.9 | | | | 4 | | Dominic Saban | (Sutton & District AC) | 14.9 | -1.9 | | | | 5 | | Thomas Roch | (Dorking Mole Valley AC) | 14.9 | -1.9 | | | | 6 | | R Hanna | (Waverley Harriers) | 15.0 | -1.9 | | | |
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