| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Niamh Dobbs | 14 | Chesterfield | 1:23.50 |
| 2 | 2 | Emily Webb | 14 | Bassetlaw SS | 1:23.25 |
| 3 | 3 | Alice-Mae Downs | 14 | Co Lincoln P | 1:19.39 |
| 4 | 4 | Amelia Denham | 14 | Chesterfield | 1:18.33 |
| 5 | 5 | Sophie Statham-Gill | 14 | Co Leicester | 1:18.71 |
| 6 | 6 | Sigourney Bolton | 14 | South Lincs | 1:20.95 |
| 7 | 7 | Kayla Godfrey | 14 | Nova Cent'n | 1:23.26 |
| 8 | 8 | Aurelia Wawrzyniewicz | 14 | Nova Cent'n | 1:23.92 |