| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Amelia Matthews | 13 | Harlow Pen | 1:26.05 |
| 2 | 2 | Genna Lee | 13 | Harlow Pen | 1:23.97 |
| 3 | 3 | Daisy-Mai Doel | 13 | Basildon Ph | 1:22.56 |
| 4 | 4 | Freya Cox | 13 | Norwich Swan | 1:21.51 |
| 5 | 5 | Jorja Atkinson | 13 | Co Cambridge | 1:21.55 |
| 6 | 6 | Jeslene Sandhu | 13 | Epping For't | 1:23.45 |
| 7 | 7 | Abi Perry | 13 | Linslade | 1:25.30 |
| 8 | 8 | Isabella Helliwell | 13 | Woodham F SC | 1:26.67 |