| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Katie Goodburn | 16 | Warrender Ba | 58.10 |
| 2 | 2 | Georgina Dennis | 17 | Mt Kelly | 58.03 |
| 3 | 3 | Macy Lawrence | 17 | Mt Kelly | 57.71 |
| 4 | 4 | Evelyn Davis | 15 | Bromley | 57.55 |
| 5 | 5 | Sophie Yendell | 17 | Co Derby | 57.55 |
| 6 | 6 | Megan Allison | 17 | Co Newport | 57.73 |
| 7 | 7 | Alicia Dingle | 17 | Royal Wolv | 58.05 |
| 8 | 8 | Sophie Freeman | 15 | Plymouth Lea | 58.12 |