| Under-15 Girls 100 Metres HEAT 1
(Kingsmeadow Stadium, 12 May) | | 1 | | Donna Walker | (South London Harriers) | 12.75 | +1.3 | | | | | 2 | | Amy Godsell | (Bromley Ladies AC) | 12.87 | +1.3 | | | | | 3 | | Stefanie Knight | (Herne Hill Harriers) | 13.00 | +1.3 | | | | | 4 | | Emily Martin | (Hercules Wimbledon AC) | 13.11 | +1.3 | | | | | 5 | | Zerlina Klu | (Sutton & District AC) | 13.14 | +1.3 | | | | | 6 | | Amy Phelen | (Guildford & Godalming AC) | 14.18 | +1.3 | | | | | 7 | | Holly Gates | (Belgrave Harriers) | 14.36 | +1.3 | | | |
| | | Under-15 Girls 100 Metres HEAT 2
(Kingsmeadow Stadium, 12 May) | | 1 | | Dominique Blaize | (Kingston AC & Polytechnic Harriers) | 12.55 | +1.4 | | | | | 2 | | Chloe Walcott | (Sutton & District AC) | 12.89 | +1.4 | | | | | 3 | | Wanitta Nkansah | (Herne Hill Harriers) | 13.01 | +1.4 | | | | | 4 | | Samara Graham | (Sutton & District AC) | 13.14 | +1.4 | | | | | 5 | | Maria Hanshaw | (Walton AC) | 13.21 | +1.4 | | | | | 6 | | Leanne Poingdestre | (Guildford & Godalming AC) | 13.92 | +1.4 | | | | | 7 | | Katherine Mertens | (Woking AC) | 14.21 | +1.4 | | | | | 8 | | Emily Collins | (Belgrave Harriers) | 14.26 | +1.4 | | | |
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