| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Barbara Legg | 72 | Bicester | 50.90 |
| 4 | 2 | Frances Baker | 55 | Launceston | 43.00 |
| 5 | 3 | Yvonne Carpenter-Warre | 47 | Tavistock | 42.20 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 4 | Laura Lilley | 33 | Frome | 37.02 |
| 2 | 6 | Sandra Jones | 51 | Gloucester M | 33.71 |
| 3 | 8 | Emma Page | 34 | RomseyTotton | 32.12 |
| 4 | 10 | Sian Dallimore | 29 | Co Hereford | 30.10 |
| 5 | 9 | Emma Challis | 29 | Totnes | 31.81 |
| 6 | 7 | Jessica Carlson | 28 | Dinnaton | 32.34 |
| 7 | 5 | Samantha Crosby | 25 | Caradon | 35.14 |