| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Sophie Simpson | 20 | Loughboro Un | 1:04.86 |
| 1 | 2 | Kate Mills | 18 | Co Oxford | 1:04.53 |
| 2 | 3 | Chloe Barrow | 18 | Mt Kelly | 1:04.01 |
| 3 | 4 | Madison Kemp | 18 | Poole | 1:03.18 |
| 4 | 5 | Hannah Genich | 18 | OSA Canada | 1:00.41 |
| 5 | 6 | Hannah Burvill | 19 | Woking | 1:03.01 |
| 6 | 7 | Lucy Thornton | 17 | Ealing | 1:03.80 |
| 7 | 8 | Eleanor Bailey | 18 | Wigan BEST | 1:04.52 |
| 8 | 9 | Natasha Sinha | 19 | Beckenham | 1:04.59 |