| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 1 | Ann Humphris | 78 | Barnstaple | 5:04.00 |
| 3 | 2 | Rosemary Johnson | 75 | Wincanton | 4:30.11 |
| 4 | 3 | Esther Murray | 68 | Gloucester M | 4:01.50 |
| 5 | 4 | Gillian Miles | 55 | Bristol Hen | 3:58.97 |
| 6 | 5 | Denise Cuer | 47 | Co Newport | 3:31.13 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 6 | Frances Baker | 55 | Launceston | 2:49.00 |
| 3 | 8 | Emma Page | 34 | RomseyTotton | 2:28.61 |
| 4 | 10 | Hannah Wiltshire | 28 | Poole | 2:21.50 |
| 5 | 9 | Christine Howie | 22 | Bristol Nor | 2:25.70 |
| 6 | 7 | Samantha Crosby | 25 | Caradon | 2:40.61 |