| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Milly Scotchbrook | 13 | Co Leicester | 1:18.62 |
| 2 | 2 | Eleanor Clarke | 13 | Chelmsford | 1:17.71 |
| 3 | 3 | Rebecca Kamau | 14 | Co Birm'ham | 1:16.86 |
| 4 | 4 | Leah Roughan | 14 | Grantham | 1:14.35 |
| 5 | 5 | Emily Biggs | 14 | Co Cambridge | 1:16.85 |
| 6 | 6 | Charly Neilson | 14 | Nova Cent'n | 1:17.64 |
| 7 | 7 | Megan Langton | 14 | Nova Cent'n | 1:18.35 |
| 8 | 8 | Kate Little | 14 | Co Cambridge | 1:18.75 |