| B Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Maia Hall | 02 | N & D PP SC | 1:12.29 |
| 2 | 2 | Theodora Taylor | 09 | Torfaen D | 1:12.00 |
| 3 | 3 | Cira Fletcher | 98 | Nova Cent'n | 1:11.29 |
| 4 | 4 | Anna Morgan | 03 | Edinburgh Un | 1:11.19 |
| 5 | 5 | Jana Spinner | 99 | Bath Univ | 1:11.26 |
| 6 | 6 | Hannah Bowley | 05 | Repton | 1:11.79 |
| 7 | 7 | Caitlin Hartley | 04 | Hatfield | 1:12.12 |
| 8 | 8 | Sophie King | 06 | Woking | 1:12.31 |