| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Alice Thickett | 16 | Co Sheffield | 58.84 |
| 1 | 2 | Kirstin Harvie | 16 | Natare W Lon | 58.61 |
| 2 | 3 | Kaylee Dekker | 16 | Mt Kelly | 58.52 |
| 3 | 4 | Megan Allison | 16 | Co Newport | 58.01 |
| 4 | 5 | Sophie Yendell | 16 | Co Derby | 57.42 |
| 5 | 6 | Elena Morgan | 16 | Nofio Clwyd | 57.79 |
| 6 | 7 | Anna Podurgiel | 16 | Camden Swiss | 58.30 |
| 7 | 8 | Macy Lawrence | 16 | Mt Kelly | 58.60 |
| 8 | 9 | Duru Tanir | 16 | Plymouth Lea | 58.84 |
| 9 | 10 | Medi Harris | 16 | Swim Gwynedd | 58.86 |