| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Emma Cushion | 12 | Co Peterboro | 1:22.05 |
| 2 | 2 | Amelia Fenner | 12 | Basildon Ph | 1:21.01 |
| 3 | 3 | Evie Greenhalf | 12 | Co Norwich | 1:19.41 |
| 4 | 4 | Verity Fuge | 12 | Hatfield | 1:14.63 |
| 5 | 5 | Lucy Clarke | 12 | Chelmsford | 1:18.84 |
| 6 | 6 | Holly Katasi | 12 | Linslade | 1:19.96 |
| 7 | 7 | Matilda Dymond | 12 | Modernian | 1:21.67 |
| 8 | 8 | Niamh Bunker | 12 | Flitwick | 1:23.19 |