| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Grace Walls | 12 | Wigan BEST | 3:14.93 |
| 2 | 2 | Isla Clifford | 11 | Winsford | 3:12.14 |
| 3 | 3 | Lucy Dix | 12 | Cockermouth | 3:10.24 |
| 4 | 4 | Esther Newton | 12 | Preston | 3:07.80 |
| 5 | 5 | Isla Anderson | 12 | Winsford | 3:09.19 |
| 6 | 6 | Suet Yau Chloe Keung | 12 | Stockport Mo | 3:10.46 |
| 7 | 7 | Beatrice Pollard | 12 | Clitheroe | 3:14.09 |
| 8 | 8 | Sophia Slater | 12 | Preston | 3:15.16 |