| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Millie Fields | 14 | Bishop Stort | 59.58 |
| 1 | 2 | Sophie Freeman | 14 | Colchester | 59.38 |
| 2 | 3 | Chloe Pritchard | 14 | Swansea Aq | 59.26 |
| 3 | 4 | Tamryn Van Selm | 14 | Bromley | 59.22 |
| 4 | 5 | Freya Colbert | 14 | Nova Cent'n | 58.81 |
| 5 | 6 | Chiara Tommasello | 14 | Co Manch Aq | 59.12 |
| 6 | 7 | Amber Downham | 13 | Chesterfield | 59.24 |
| 7 | 8 | Katie Shanahan | 14 | Co Glasgow | 59.37 |
| 8 | 9 | Clara Von Opel | 14 | Natare W Lon | 59.52 |
| 9 | 10 | Evelyn Davis | 14 | Bromley | 59.75 |