| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 2 | Cambell Plant | 94 | S7 | East Midland | 1:09.74 |
| 1 | 4 | Grace Harvey | 98 | S7 | Eastern | 1:02.50 |
| 2 | 6 | Claire Warne | 93 | S6 | Eastern | 49.61 |
| 3 | 8 | Eleanor Simmonds | 94 | S6 | Wales | 45.11 |
| 4 | 10 | Susannah Rodgers | 83 | S7 | Gtr. London | 36.74 |
| 5 | 9 | Natalie Jones | 84 | S6 | North West R | 41.31 |
| 6 | 7 | Jan Langton | 86 | S6 | South West R | 45.94 |
| 7 | 5 | Jerry-Ray Pearce | 97 | S7 | Gtr. London | 1:00.00 |
| 8 | 3 | Jodie Fleming | 93 | S6 | Eastern | 1:03.75 |
| 9 | 1 | Carys Coppen | 99 | S6 | East Midland | 1:30.56 |