| Intermediate Ladies 400 Metres HEAT 1 (Motspur Park, 12 May) | 1 | | Clare Bleasdale | (Guildford & Godalming AC) | 59.8 | | | | | 2 | | Julie Moore | (Croydon Harriers) | 60.2 | | | | | 3 | | Cathy Enright | (Croydon Harriers) | 61.2 | | | | | 4 | | E Benn | (Kingston AC & Polytechnic Harriers) | 66.1 | | | | | 5 | | H Planetta | (Epsom & Ewell Harriers) | 67.3 | | | | |
| | | Intermediate Ladies 400 Metres HEAT 2 (Motspur Park, 12 May) | 1 | | L Mayer | (Epsom & Ewell Harriers) | 61.6 | | | | | 2 | | Karen Sutton | (Croydon Harriers) | 61.7 | | | | | 3 | | S Bush | (Haslemere Border AC) | 62.3 | | | | | 4 | | Julie Price | (Epsom & Ewell Harriers) | 64.2 | | | | | 5 | | S Firth | (Guildford & Godalming AC) | 68.1 | | | | |
|