| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Ellis KANE | 15 | Modernian | 1:14.28 |
| 2 | 2 | Ellie MATTHEWS | 15 | Putteridge | 1:13.19 |
| 3 | 3 | Gracie TROTTER | 15 | Leighton Buz | 1:11.95 |
| 4 | 4 | Chiara ROGERS | 15 | Team Luton | 1:10.03 |
| 5 | 5 | Morgan ALLAN | 15 | Modernian | 1:11.89 |
| 6 | 6 | Orla KEAVENEY | 15 | Modernian | 1:12.16 |
| 7 | 7 | Katherine CHEESERIGHT | 15 | Biggleswade | 1:13.92 |
| 8 | 8 | Rhearna MASON | 15 | Biggleswade | 1:14.98 |