| | | Under-15 Girls 200 Metres HEAT 2 (Kingsmeadow Stadium, 12 May) | 1 | | Jessie Knight | (Epsom & Ewell Harriers) | 27.22 | -0.6 | | Q | | 2 | | Emily de Beaux | (Guildford & Godalming AC) | 27.70 | -0.6 | | Q | | 3 | | Emily Gower | (Aldershot, Farnham & District AC) | 27.75 | -0.6 | | q | | 4 | | Anna Berry | (Hercules Wimbledon AC) | 28.17 | -0.6 | | q | | 5 | | Emma Wakrim | (Sutton & District AC) | 28.36 | -0.6 | | | | 6 | | Giselle Cooper | (Guildford & Godalming AC) | 30.38 | -0.6 | | | | 7 | | Katja Schlerf | (Kingston AC & Polytechnic Harriers) | 30.82 | -0.6 | | | | 8 | | Hannah Gordon | (Epsom & Ewell Harriers) | 31.49 | -0.6 | | | |
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| Under-15 Girls 200 Metres HEAT 3 (Kingsmeadow Stadium, 12 May) | 1 | | Amy Allcock | (Aldershot, Farnham & District AC) | 27.08 | -0.7 | | Q | | 2 | | Marion Twenanfoo | (Herne Hill Harriers) | 28.55 | -0.7 | | Q | | 3 | | Iesha Hinds | (Croydon Harriers) | 28.56 | -0.7 | | | | 4 | | Charlotte Gibbs | (Guildford & Godalming AC) | 28.66 | -0.7 | | | | 5 | | Rosie Smith | (Epsom & Ewell Harriers) | 28.86 | -0.7 | | | | 6 | | Grace King | (Sutton & District AC) | 29.08 | -0.7 | | | | 7 | | Mariam el Baghdady | (Dorking Mole Valley AC) | 31.29 | -0.7 | | | | 8 | | Seren Bresner | (Kingston AC & Polytechnic Harriers) | 31.78 | -0.7 | | | |
| | | Under-15 Girls 200 Metres FINAL (Kingsmeadow Stadium, 12 May) | 1 | | Amelia Richards | (Hercules Wimbledon AC) | 26.46 | +0.7 | | | | 2 | | Amy Allcock | (Aldershot, Farnham & District AC) | 26.91 | +0.7 | | | | 3 | | Jessie Knight | (Epsom & Ewell Harriers) | 27.10 | +0.7 | | | | 4 | | Emily Gower | (Aldershot, Farnham & District AC) | 27.76 | +0.7 | | | | 5 | | Emily de Beaux | (Guildford & Godalming AC) | 28.19 | +0.7 | | | | 6 | | Soracha Healy | (Kingston AC & Polytechnic Harriers) | 28.29 | +0.7 | | | | 7 | | Anna Berry | (Hercules Wimbledon AC) | 28.37 | +0.7 | | | | 8 | | Marion Twenanfoo | (Herne Hill Harriers) | 28.50 | +0.7 | | | |
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