| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Ivy Liu | 12 | Stockport Mo | 1:30.35 |
| 2 | 2 | Beatrice Pollard | 12 | Clitheroe | 1:28.76 |
| 3 | 3 | Isla Anderson | 12 | Winsford | 1:28.69 |
| 4 | 4 | Isla Clifford | 11 | Winsford | 1:27.04 |
| 5 | 5 | Esther Newton | 12 | Preston | 1:27.85 |
| 6 | 6 | Sophia Slater | 12 | Preston | 1:28.75 |
| 7 | 7 | Ariana Dorey | 12 | Carlisle Aq | 1:29.35 |
| 8 | 8 | Ameja Strong | 12 | Co Manch Aq | 1:30.66 |