| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Morrigan Cooper | 13 | Bo Southend | 1:19.24 |
| 1 | 2 | Yvette Boka | 13 | Basildon Ph | 1:18.89 |
| 2 | 3 | Darcy Davies | 13 | Basildon Ph | 1:18.21 |
| 3 | 4 | Olive Bailey | 13 | Colchester | 1:14.66 |
| 4 | 5 | Betsie Saville | 13 | Canvey Isl | 1:09.06 |
| 5 | 6 | Mia Newman | 13 | Bark & Dagen | 1:11.88 |
| 6 | 7 | Florence Elson | 13 | Bo Newham | 1:17.88 |
| 7 | 8 | Ella Minnis | 13 | Colchester | 1:18.41 |
| 8 | 9 | Alania Wignall | 13 | Colchester | 1:19.11 |
| 9 | 10 | Shuhan Yang | 13 | Colchester | 1:19.34 |