| Under-13 Girls 150 Metres HEAT 1 (Wimbledon Park, 7 May) | 1 | | Clare Banner | (Guildford & Godalming AC) | 21.8 | -0.1 | | | | 2 | | C Elmer | (Dorking Mole Valley AC) | 22.0 | -0.1 | | | | 3 | | K Grace | (Sutton & District AC) | 22.4 | -0.1 | | | | 4 | | R Kenyon | (Waverley Harriers) | 23.1 | -0.1 | | | | 5 | | Kia Wnuk | (Croydon Harriers) | 23.1 | -0.1 | | | | 6 | | N Delamere | (Kingston AC & Polytechnic Harriers) | 24.2 | -0.1 | | | |
| | | Under-13 Girls 150 Metres HEAT 2 (Wimbledon Park, 7 May) | 1 | | L Ingle | (Kingston AC & Polytechnic Harriers) | 21.7 | -0.5 | | | | 2 | | Susan Bovill | (Sutton & District AC) | 22.1 | -0.5 | | | | 3 | | M Maskell | (Reigate Priory AC) | 22.5 | -0.5 | | | | 4 | | Kate Jelley | (Croydon Harriers) | 23.1 | -0.5 | | | | 5 | | Claire Grainger | (Waverley Harriers) | 23.3 | -0.5 | | | | 6 | | S Wheeler | (Dorking Mole Valley AC) | 23.6 | -0.5 | | | |
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