| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Maisie Elliott | 14 | Co Leicester | 1:00.17 |
| 1 | 2 | Iona Macleod | 14 | Dun City Aqu | 59.82 |
| 2 | 3 | Freya Colbert | 13 | Grantham | 59.47 |
| 3 | 4 | Chloe Pritchard | 13 | Swansea Aq | 58.95 |
| 4 | 5 | Betsy Wizard | 14 | Northampton | 58.63 |
| 5 | 6 | Rosie Morgan | 14 | Aberdeen Per | 58.74 |
| 6 | 7 | Emily Iley | 13 | Bo Waltham F | 59.40 |
| 7 | 8 | Caitlin Cambrook | 14 | Co Sund'land | 59.75 |
| 8 | 9 | Niamh Barber | 14 | Hillingdon | 1:00.01 |
| 9 | 10 | Katie Goodburn | 14 | Warrender Ba | 1:00.21 |