| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Erin Little | 16 | Mt Kelly | 55.70 |
| 1 | 2 | Charlotte Berry | 17 | Co Sheffield | 55.47 |
| 2 | 3 | Evelyn Davis | 17 | Bromley | 54.28 |
| 3 | 4 | Tamryn Van Selm | 17 | Millfield | 54.12 |
| 4 | 5 | Aimee Canny | 18 | Plymouth Lea | 53.89 |
| 5 | 6 | Isabella Hindley | 25 | Brompton | 54.01 |
| 6 | 7 | Abbie Wood | 22 | Loughboro NC | 54.18 |
| 7 | 8 | Emily Barclay | 24 | Co Manch Aq | 55.03 |
| 8 | 9 | Kate Clifton | 21 | Co Sheffield | 55.56 |
| 9 | 10 | Katie Latham | 24 | Bromley | 55.98 |