| Senior Ladies 100 Metres HEAT 1 (Motspur Park, 13 May) | 1 | | Eleanor Thomas (U23) | (Selsonia Ladies AC) | 12.2 | | | | | 2 | | Janet Martin | (Feltham AC) | 12.7 | | | | | 3 | | J Rose | (Selsonia Ladies AC) | 13.1 | | | | | 4 | | Ruth Millington (U20) | (Sutton & Cheam Harriers) | 13.5 | | | | | 5 | | S Flawith | (Guildford & Godalming AC) | 13.8 | | | | | 6 | | N Vos | (Surrey AC) | 13.9 | | | | |
| | | Senior Ladies 100 Metres HEAT 2 (Motspur Park, 13 May) | 1 | | L Stewart | (Selsonia Ladies AC) | 12.5 | | | | | 2 | | Ann Worrell (U20) | (Selsonia Ladies AC) | 12.9 | | | | | 3 | | S Smith | (Herne Hill Harriers) | 12.9 | | | | | 4 | | Janet Frank-Lynch (U20) | (Mitcham AC) | 13.1 | | | | | 5 | | J Brown | (Epsom & Ewell Harriers) | 13.6 | | | | | 6 | | C Tennian | (Mitcham AC) | 13.7 | | | | |
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