| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Alice Buckingham | 13 | Verulam | 1:14.33 |
| 2 | 2 | Olive Bailey | 13 | Colchester | 1:13.48 |
| 3 | 3 | Olivia Daniel | 13 | Verulam | 1:12.45 |
| 4 | 4 | Mia Hayes | 13 | Linslade | 1:08.72 |
| 5 | 5 | Summer Woodside | 13 | Co Peterboro | 1:11.79 |
| 6 | 6 | Valeria Soldatihhina | 13 | West Norfolk | 1:12.89 |
| 7 | 7 | Betsie Saville | 13 | Canvey Isl | 1:13.93 |
| 8 | 8 | Aoife Blessing | 13 | Hatfield | 1:14.61 |