| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Katie HIRST | 17 | Co Sheffield | 1:11.32 |
| 1 | 2 | Hannah NEWNHAM | 15 | Donc Dartes | 1:09.09 |
| 2 | 3 | Meredith HARNESS | 15 | Team Jorvik | 1:07.82 |
| 3 | 4 | Alice THICKETT | 16 | Co Sheffield | 1:07.53 |
| 4 | 5 | Viktoria GNANDT | 17 | Co Leeds | 1:06.93 |
| 5 | 6 | Molly CHAMBERS | 16 | Donc Dartes | 1:06.94 |
| 6 | 7 | Niamh SWEENEY | 16 | Darlington | 1:07.57 |
| 7 | 8 | Rebecca CLYNES | 16 | Co Leeds | 1:09.08 |
| 8 | 9 | Jessica TEALE | 15 | Co Leeds | 1:09.28 |