| Under-17 Women 300 Metres HEAT 1
(Croydon Arena, 13 May) | | 1 | | Emily De Nobrega | (Hercules Wimbledon AC) | 43.0 | | | | | | 2 | | Yewande Ige | (Sutton & District AC) | 43.2 | | | | | | 3 | | N Dedman | (Guildford & Godalming AC) | 44.2 | | | | | | 4 | | Jennie Ridge | (Epsom & Ewell Harriers) | 44.6 | | | | | | 5 | | Anita Longman | (Croydon Harriers) | 49.3 | | | | |
| | | Under-17 Women 300 Metres HEAT 2
(Croydon Arena, 13 May) | | 1 | | Claire Nichols | (Woking AC) | 43.5 | | | | | | 2 | | Amanda O'Shea | (Hercules Wimbledon AC) | 43.7 | | | | | | 3 | | K Mann | (Guildford & Godalming AC) | 44.0 | | | | | | 4 | | T Narebor | (Sutton & District AC) | 44.8 | | | | | | 5 | | Kathryn Burley | (Kingston AC & Polytechnic Harriers) | 47.2 | | | | |
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