| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Sophie CROWTHER | 13 | Co Peterboro | 1:23.37 |
| 2 | 2 | Freya LINES | 13 | St Felix Sch | 1:21.57 |
| 3 | 3 | Grace LEECH | 13 | UEA Norwich | 1:20.85 |
| 4 | 4 | Mia LEECH | 13 | Co Peterboro | 1:19.23 |
| 5 | 5 | Keira FROSDICK | 13 | UEA Norwich | 1:20.22 |
| 6 | 6 | Amelia MONAGHAN | 13 | Co Peterboro | 1:20.90 |
| 7 | 7 | Lauren SCOTT | 13 | Chelmsford | 1:22.64 |
| 8 | 8 | Nicole CHANDLER | 13 | teamipswich | 1:24.20 |