| Final | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 1 | Iona Winnifrith | 13 | SM7 | Tonbridge | 3:31.25 |
| 2 | 2 | Isabella Haynes | 16 | SM9 | S Bournem'th | 3:04.62 |
| 3 | 3 | Chiara Fellone | 17 | SM14 | Co Salford | 2:59.15 |
| 4 | 4 | Grace Robinson | 17 | SM14 | Co Manch Aq | 2:39.17 |
| 5 | 5 | Evie Lambert | 17 | SM9 | Bo Kirklees | 2:56.72 |
| 6 | 6 | Imogen Dodds | 15 | SM13 | Wellingboro | 3:01.34 |
| 7 | 7 | Rebecca Hardy-Bishop | 24 | SM12 | Jersey | 3:05.21 |
| 8 | 8 | Maisie Catt | 15 | SM7 | RichmondDale | 3:44.12 |