| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Millie ELLICKER | 15 | Loftus Dol | 1:19.94 |
| 1 | 2 | Abigail JACKSON | 16 | Rotherham Mo | 1:19.15 |
| 2 | 3 | Tia KEIGHTLEY | 15 | Co Leicester | 1:17.65 |
| 3 | 4 | Emily ROBSON | 16 | York City | 1:17.18 |
| 4 | 5 | Cira FLETCHER | 21 | Nova Cent'n | 1:12.83 |
| 5 | 6 | Ellie WARD | 20 | Nova Cent'n | 1:17.00 |
| 6 | 7 | Anna DOUGHTY | 20 | Bolton Metro | 1:17.38 |
| 7 | 8 | Macy NORTON | 15 | Co Leicester | 1:17.87 |
| 8 | 9 | Daisy ROBSON-JONES | 15 | Co Leicester | 1:19.33 |
| 9 | 10 | Holly FISH | 16 | Donc Dartes | 1:20.81 |