| Intermediate Ladies 400 Metres HEAT 1 (Motspur Park, 16 May) | 1 | | Lynne Draper | (Redhill & Reigate AC) | 60.0 | | | | | 2 | | L Tythacott | (Epsom & Ewell Harriers) | 62.5 | | | | | 3 | | J Owens | (Mitcham AC) | 64.2 | | | | | 4 | | L Davies | (Epsom & Ewell Harriers) | 65.0 | | | | | 5 | | Beverly Burns | (Guildford & Godalming AC) | 66.5 | | | | |
| | | Intermediate Ladies 400 Metres HEAT 2 (Motspur Park, 16 May) | 1 | | S Wardell | (Epsom & Ewell Harriers) | 61.7 | | | | | 2 | | J Hodge | (Sutton & Cheam Harriers) | 62.8 | | | | | 3 | | Teresa Moorman | (Croydon Harriers) | 63.9 | | | | | 4 | | Tania Leeder | (Woking AC) | 65.0 | | | | | 5 | | K Voice | (Woking AC) | 65.1 | | | | | 6 | | K Tilley | (Hercules Wimbledon AC) | 66.6 | | | | |
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| Intermediate Ladies 400 Metres HEAT 3 (Motspur Park, 16 May) | 1 | | Lynn Taylor | (Woking AC) | 60.3 | | | | | 2 | | C Scanlon | (Sutton & Cheam Harriers) | 61.8 | | | | | 3 | | Linda Smith | (Epsom & Ewell Harriers) | 62.1 | | | | | 4 | | Jackie Selley | (Hounslow AC) | 63.4 | | | | | 5 | | R Andrews | (Hercules Wimbledon AC) | 64.8 | | | | | 6 | | L Carter | (Mitcham AC) | 65.4 | | | | |
| | | Intermediate Ladies 400 Metres FINAL (Motspur Park, 21 May) | 1 | | Lynne Draper | (Redhill & Reigate AC) | 58.2 | | | | | 2 | | Lynn Taylor | (Woking AC) | 58.8 | | | | | 3 | | Linda Smith | (Epsom & Ewell Harriers) | 59.8 | | | | | 4 | | S Wardell | (Epsom & Ewell Harriers) | 60.1 | | | | | 5 | | C Scanlon | (Sutton & Cheam Harriers) | 61.4 | | | | | 6 | | L Tythacott | (Epsom & Ewell Harriers) | 61.7 | | | | |
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