| Under-15 Girls 75 Metres Hurdles (76.2cm) HEAT 1 (Kingsmeadow Stadium, 24 May) | 1 | | Pippa Earley | (Kingston AC & Polytechnic Harriers) | 11.74 | +1.1 | | Q | | 2 | | Lohita Allen-Aigbodion | (South London Harriers) | 12.11 | +1.1 | | Q | | 3 | | Anna Brophy | (Guildford & Godalming AC) | 12.62 | +1.1 | | Q | | 4 | | Chloe Lord | (Hercules Wimbledon AC) | 12.63 | +1.1 | | q | | 5 | | Georgia Duthie | (Sutton & District AC) | 13.29 | +1.1 | | | |
| | | Under-15 Girls 75 Metres Hurdles (76.2cm) HEAT 2 (Kingsmeadow Stadium, 24 May) | 1 | | Kate Purser | (Blackheath & Bromley Harriers AC) | 12.52 | +0.6 | | Q | | 2 | | Isabella Bretherton | (Camberley & District AC) | 12.58 | +0.6 | | Q | | 3 | | Anousha Wardley | (Reigate Priory AC) | 12.93 | +0.6 | | Q | | 4 | | Ayse Hussein | (Belgrave Harriers) | 13.06 | +0.6 | | q | |
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