| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Annie SAFFORD | 14 | Biggleswade | 42.98 |
| 2 | 2 | Molly REA | 14 | Modernian | 42.06 |
| 3 | 3 | Millie DUDLEY | 14 | Dunstable | 39.17 |
| 4 | 4 | Rachel ANDREWS | 14 | Biggleswade | 38.96 |
| 5 | 5 | Isabella PORZIO | 14 | Dunstable | 39.11 |
| 6 | 6 | Rhianne CARRICK | 14 | Dunstable | 39.75 |
| 7 | 7 | Mari CUTLER | 14 | Flitwick | 42.96 |
| 8 | 8 | Julia PILAT | 14 | Putteridge | 43.07 |