| Intermediate Ladies 400 Metres HEAT 1
(Motspur Park, 8 May) | | 1 | | Lisa Thompson | (Surrey Beagles AC) | 60.3 | | | | | | 2 | | C Whorms | (Herne Hill Harriers) | 61.6 | | | | | | 3 | | Philippa Harries | (Croydon Harriers) | 63.4 | | | | | | 4 | | P Gee | (Mitcham AC) | 63.4 | | | | | | 5 | | T Osborne | (Selsonia Ladies AC) | 69.0 | | | | | | 6 | | P Carrington | (Sutton & Cheam Harriers) | 72.5 | | | | | | 7 | | C Cutler | (Haslemere Border AC) | 75.1 | | | | |
| | | Intermediate Ladies 400 Metres HEAT 2
(Motspur Park, 8 May) | | 1 | | G Sawyer | (Surrey AC) | 61.4 | | | | | | 2 | | Marcia van Frederici | (Mitcham AC) | 63.4 | | | | | | 3 | | A Reid | (Epsom & Ewell Harriers) | 64.0 | | | | | | 4 | | Angela Wilkins | (Haslemere Border AC) | 64.1 | | | | | | 5 | | N Barnes | (Surrey Beagles AC) | 66.3 | | | | | | 6 | | Margaret Beksinska | (Sutton & Cheam Harriers) | 67.1 | | | | | | 7 | | C Panton | (Hercules Wimbledon AC) | 82.2 | | | | |
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| Intermediate Ladies 400 Metres HEAT 3
(Motspur Park, 8 May) | | 1 | | Julie Compton | (Bracknell AC) | 63.1 | | | | | | 2 | | S Perry | (Redhill & Reigate AC) | 63.5 | | | | | | 3 | | Carolyn Plummer | (Mitcham AC) | 65.0 | | | | | | 4 | | E Cannon | (Epsom & Ewell Harriers) | 66.0 | | | | | | 5 | | Virginia Graham | (Guildford & Godalming AC) | 67.0 | | | | | | 6 | | C Tippell | (Epsom & Ewell Harriers) | 70.0 | | | | | | 7 | | E Gellender | (Mitcham AC) | 74.3 | | | | |
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