| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Freya LINES | 11 | St Felix Sch | 3:09.00 |
| 2 | 2 | Maisie EASTER | 11 | UEA Norwich | 3:06.81 |
| 3 | 3 | Sophie PAYNE | 11 | Hatfield | 3:05.70 |
| 4 | 4 | Amelia MONAGHAN | 11 | Co Peterboro | 2:55.84 |
| 5 | 5 | Mia LEECH | 11 | Co Peterboro | 2:59.61 |
| 6 | 6 | Anna BLAKELEY | 11 | Co Peterboro | 3:06.75 |
| 7 | 7 | Sophie CROWTHER | 11 | Co Peterboro | 3:07.65 |
| 8 | 8 | Ella CHOWN | 11 | Co St Albans | 3:13.52 |