| Under-17 Women 800 Metres HEAT 1
(Kingsmeadow Stadium, 13 May) | | 1 | | Katie Foss | (Crawley AC) | 02:19.33 | | | Q | | | 2 | | Robin Simons | (Guildford & Godalming AC) | 02:20.80 | | | Q | | | 3 | | Ella Scrase | (Reigate Priory AC) | 02:21.72 | | | Q | | | 4 | | Lucy Wright | (Herne Hill Harriers) | 02:22.86 | | | q | | | 5 | | Amelie Airey | (Crawley AC) | 02:33.14 | | | | |
| | | Under-17 Women 800 Metres HEAT 2
(Kingsmeadow Stadium, 13 May) | | 1 | | Ella Henderson | (Kingston AC & Polytechnic Harriers) | 02:25.12 | | | Q | | | 2 | | Katie Pye | (Aldershot, Farnham & District AC) | 02:25.19 | | | Q | | | 3 | | Maia Morrell | (South London Harriers) | 02:27.81 | | | Q | | | 4 | | Isabel Sinden | (St Mary's Richmond AC) | 02:30.85 | | | q | | | 5 | | Ava Madsen | (Crawley AC) | 02:31.57 | | | | | | 6 | | Ariana Shala | (Hercules Wimbledon AC) | 02:35.25 | | | | | | 7 | | Hannah Scholey | (Camberley & District AC) | 02:50.62 | | | | |
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