| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Anna Maine | 17 | Woking | 56.76 |
| 1 | 2 | Beth Aitchison | 20 | Loughboro Un | 56.21 |
| 2 | 3 | Jessica Jackson | 20 | Plymouth Lea | 55.81 |
| 3 | 4 | Rebecca Smith | 17 | HPC Ontario | 55.20 |
| 4 | 5 | Taylor Ruck | 17 | HPC Ontario | 54.24 |
| 5 | 6 | Anna Hopkin | 21 | Bath Univ | 55.14 |
| 6 | 7 | Eleanor Faulkner | 24 | Co Sheffield | 55.77 |
| 7 | 8 | Emily Crane | 19 | Loughboro Un | 56.20 |
| 8 | 9 | Lauren Quigley | 22 | Co Liverpool | 56.50 |
| 9 | 10 | Katie Latham | 20 | Thanet Swim | 57.01 |