| Intermediate Ladies 400 Metres HEAT 1 (Motspur Park, 11 May) | 1 | | Karen Hendrickse | (Mitcham AC) | 58.8 | | | | | 2 | | Linda Smith | (Epsom & Ewell Harriers) | 60.9 | | | | | 3 | | M Harvey | (Guildford & Godalming AC) | 62.7 | | | | | 4 | | Virginia Nimarkoh | (Hercules Wimbledon AC) | 63.2 | | | | | 5 | | R Owen | (Mitcham AC) | 65.0 | | | | | 6 | | G McAllister | (Hercules Wimbledon AC) | 67.6 | | | | | 7 | | R Eldridge | (Epsom & Ewell Harriers) | 69.0 | | | | |
| | | Intermediate Ladies 400 Metres HEAT 2 (Motspur Park, 11 May) | 1 | | Francesca Weller | (Guildford & Godalming AC) | 60.2 | | | | | 2 | | L Tythacott | (Epsom & Ewell Harriers) | 61.7 | | | | | 3 | | C Scanlon | (Sutton & Cheam Harriers) | 61.8 | | | | | 4 | | K Tilley | (Hercules Wimbledon AC) | 63.5 | | | | | 5 | | J Owens | (Mitcham AC) | 64.5 | | | | | 6 | | E Strain | (Surrey AC) | 66.5 | | | | | 7 | | K Naish | (Epsom & Ewell Harriers) | 77.9 | | | | |
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| Intermediate Ladies 400 Metres HEAT 3 (Motspur Park, 11 May) | 1 | | C Johns | (Epsom & Ewell Harriers) | 61.0 | | | | | 2 | | Paula Francis | (Mitcham AC) | 61.0 | | | | | 3 | | Sally Evans | (Sutton & Cheam Harriers) | 61.8 | | | | | 4 | | Shirley Hendey | (Croydon Harriers) | 63.2 | | | | | 5 | | R Andrews | (Hercules Wimbledon AC) | 65.0 | | | | | 6 | | S Browne | (Mitcham AC) | 66.7 | | | | | 7 | | C Gerrard | (Epsom & Ewell Harriers) | 69.5 | | | | |
| | | Intermediate Ladies 400 Metres FINAL (Motspur Park, 15 May) | 1 | | Karen Hendrickse | (Mitcham AC) | 56.9 | | CBP | | | 2 | | Francesca Weller | (Guildford & Godalming AC) | 58.2 | | | | | 3 | | Linda Smith | (Epsom & Ewell Harriers) | 59.3 | | | | | 4 | | Paula Francis | (Mitcham AC) | 60.4 | | | | | 5 | | L Tythacott | (Epsom & Ewell Harriers) | 60.9 | | | | | 6 | | C Johns | (Epsom & Ewell Harriers) | 61.6 | | | | |
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