| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Weronika Mikolajewska | 16 | Co Peterboro | 1:23.98 |
| 2 | 2 | Kiera Broad | 16 | West Suffolk | 1:22.67 |
| 3 | 3 | Alice Watts | 16 | Co Cambridge | 1:21.85 |
| 4 | 4 | Tessa Quayle | 16 | St Ives | 1:19.26 |
| 5 | 5 | Georgina Hamilton | 16 | Co St Albans | 1:19.74 |
| 6 | 6 | Ellie Smith | 16 | Co Norwich | 1:22.26 |
| 7 | 7 | Hannah Lovelock | 16 | Hitchin | 1:23.63 |
| 8 | 8 | Kesia Crees | 16 | Basildon Ph | 1:24.47 |