| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Eleanor Armstrong | 14 | Trafford Met | 1:23.58 |
| 2 | 2 | Isabella Fowles | 14 | Penrith | 1:23.45 |
| 3 | 3 | Sophie Dixon | 14 | Blackpool Aq | 1:20.49 |
| 4 | 4 | Elizabeth Adam | 14 | Leyland Barr | 1:17.93 |
| 5 | 5 | Marley-Rose Garrett | 14 | Co Liverpool | 1:20.00 |
| 6 | 6 | Iris Hurst | 14 | Warrington W | 1:21.09 |
| 7 | 7 | Emily Tabern | 14 | Warrington W | 1:23.51 |
| 8 | 8 | Tilly Stevens | 14 | Co Liverpool | 1:24.70 |