| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Grace Isaac | 83 | Spencer | 5:25.00 |
| 2 | 3 | Janet Brown | 74 | Bristol Mast | 3:50.00 |
| 3 | 5 | Vicki Buck | 65 | Caradon | 3:35.00 |
| 4 | 7 | Nicola Hazelton | 41 | AST Burnham | 2:50.00 |
| 5 | 6 | Kathleen Tunnicliffe | 63 | Wolv Master | 3:15.00 |
| 6 | 4 | Claire Richardson | 39 | Barnstaple | 3:40.00 |
| 7 | 2 | Gillian Miles | 55 | Bristol Hen | 5:24.97 |