| Under-17 Women 100 Metres HEAT 1 (Croydon Arena, 15 May) | 1 | | Susan Williams | (Walton AC) | 12.8 | -3.6 | | | | 2 | | Adanma Nwosu | (Croydon Harriers) | 12.9 | -3.6 | | | | 3 | | E Dengate | (Guildford & Godalming AC) | 13.1 | -3.6 | | | | 4 | | L Rogers | (Woking AC) | 13.8 | -3.6 | | | | 5 | | J Guy | (South London Harriers) | 14.4 | -3.6 | | | |
| | | Under-17 Women 100 Metres HEAT 2 (Croydon Arena, 15 May) | 1 | | J O'Shaughnessy | (Croydon Harriers) | 13.2 | -2.6 | | | | 2 | | Sisi Baig | (Epsom & Ewell Harriers) | 13.5 | -2.6 | | | | 3 | | Simone Harrison | (Croydon Harriers) | 13.6 | -2.6 | | | | 4 | | J Wood | (Sutton & District AC) | 13.8 | -2.6 | | | | 5 | | L Warbrick | (Belgrave Harriers) | 13.9 | -2.6 | | | |
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