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| Under-13 Girls 100 Metres HEAT 1 (Motspur Park, 19 May) | 1 | | Annabel Soper | (Croydon Harriers) | 13.8 | -1.2 | | | | 2 | | S Glover | (Sutton & Cheam Harriers) | 14.3 | -1.2 | | | | 3 | | H Jarvis | (Woking AC) | 14.7 | -1.2 | | | | 4 | | K McCann | (Mitcham AC) | 15.5 | -1.2 | | | | 5 | | T Mould | (Guildford & Godalming AC) | 15.9 | -1.2 | | | | 6 | | A Habgood | (Waverley Harriers) | 16.1 | -1.2 | | | | 7 | | H Walker | (Epsom & Ewell Harriers) | 17.1 | -1.2 | | | |
| | | Under-13 Girls 100 Metres HEAT 2 (Motspur Park, 19 May) | 1 | | J Brown | (Mitcham AC) | 14.4 | +1.3 | | | | 2 | | Marie Paynter | (Camberley & District AC) | 14.6 | +1.3 | | | | 3 | | R Hamilton | (Hercules Wimbledon AC) | 14.6 | +1.3 | | | | 4 | | R Leaper | (Mitcham AC) | 14.7 | +1.3 | | | | 5 | | P Cumbers | (Sutton & Cheam Harriers) | 14.9 | +1.3 | | | | 6 | | O Riches | (Epsom & Ewell Harriers) | 15.0 | +1.3 | | | |
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| Under-13 Girls 100 Metres HEAT 3 (Motspur Park, 19 May) | 1 | | Nina Rogers | (Camberley & District AC) | 14.5 | -1.5 | | | | 2 | | J Lines | (Mitcham AC) | 15.1 | -1.5 | | | | 3 | | C Lombard | (Redhill & Reigate AC) | 15.4 | -1.5 | | | | 4 | | Z Licorish | (Epsom & Ewell Harriers) | 15.6 | -1.5 | | | | 5 | | J Butcher | (Sutton & Cheam Harriers) | 15.9 | -1.5 | | | | 6 | | Z West | (Mitcham AC) | 16.4 | -1.5 | | | |
| | | Under-13 Girls 100 Metres HEAT 4 (Motspur Park, 19 May) | 1 | | A Gregoriou | (Sutton & Cheam Harriers) | 14.9 | -2.2 | | | | 2 | | Michelle Steen | (Croydon Harriers) | 14.9 | -2.2 | | | | 3 | | F Thompson | (Mitcham AC) | 14.9 | -2.2 | | | | 4 | | C Picaud | (Guildford & Godalming AC) | 15.0 | -2.2 | | | | 5 | | K Beswetherick | (Camberley & District AC) | 15.8 | -2.2 | | | | 6 | | Louise Schramm | (Epsom & Ewell Harriers) | 16.0 | -2.2 | | | | 7 | | B Parker | (Sutton & Cheam Harriers) | 16.5 | -2.2 | | | |
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| Under-13 Girls 100 Metres S-FINAL 1 (Motspur Park, 19 May) | 1 | | Annabel Soper | (Croydon Harriers) | 13.7 | +0.1 | | | | 2 | | F Thompson | (Mitcham AC) | 14.2 | +0.1 | | | | 3 | | J Lines | (Mitcham AC) | 14.3 | +0.1 | | | | 4 | | J Brown | (Mitcham AC) | 14.5 | +0.1 | | | | 5 | | Marie Paynter | (Camberley & District AC) | 14.6 | +0.1 | | | | 6 | | R Leaper | (Mitcham AC) | 14.9 | +0.1 | | | | 7 | | P Cumbers | (Sutton & Cheam Harriers) | 15.0 | +0.1 | | | |
| | | Under-13 Girls 100 Metres S-FINAL 2 (Motspur Park, 19 May) | 1 | | S Glover | (Sutton & Cheam Harriers) | 14.4 | -1.0 | | | | 2 | | A Gregoriou | (Sutton & Cheam Harriers) | 14.4 | -1.0 | | | | 3 | | Nina Rogers | (Camberley & District AC) | 14.6 | -1.0 | | | | 4 | | Michelle Steen | (Croydon Harriers) | 14.7 | -1.0 | | | | 5 | | H Jarvis | (Woking AC) | 14.8 | -1.0 | | | | 6 | | R Hamilton | (Hercules Wimbledon AC) | 15.0 | -1.0 | | | | 7 | | C Lombard | (Redhill & Reigate AC) | 15.5 | -1.0 | | | |
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| Under-13 Girls 100 Metres FINAL (Motspur Park, 19 May) | 1 | | Annabel Soper | (Croydon Harriers) | 13.8 | -0.6 | | | | 2 | | S Glover | (Sutton & Cheam Harriers) | 14.1 | -0.6 | | | | 3 | | F Thompson | (Mitcham AC) | 14.4 | -0.6 | | | | 4 | | A Gregoriou | (Sutton & Cheam Harriers) | 14.4 | -0.6 | | | | 5 | | Nina Rogers | (Camberley & District AC) | 14.5 | -0.6 | | | | 6 | | J Lines | (Mitcham AC) | 14.6 | -0.6 | | | |
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