| B Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Kidiest Hodgson | 04 | Co Leeds | 1:03.63 |
| 2 | 2 | Evie Dilley | 06 | Millfield | 1:03.55 |
| 3 | 3 | Iona Colbert | 05 | Nova Cent'n | 1:03.21 |
| 4 | 4 | Rue Fowler | 05 | Team Bath AS | 1:03.12 |
| 5 | 5 | Holly McGill | 05 | Heart Of Mid | 1:03.14 |
| 6 | 6 | Niamh Ward | 04 | Bath Univ | 1:03.51 |
| 7 | 7 | Libby Freeman | 06 | N & D PP SC | 1:03.56 |
| 8 | 8 | Sophie Shaw | 02 | Co Manch Aq | 1:03.64 |