| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Tyra Sajudeen | 12 | Co Cambridge | 1:20.16 |
| 2 | 2 | Holly Katasi | 12 | Linslade | 1:18.00 |
| 3 | 3 | Lily Steel | 12 | teamipswich | 1:17.50 |
| 4 | 4 | Erin Barber | 12 | Newmarket | 1:15.84 |
| 5 | 5 | E Barth-Wehrenalp | 12 | Basildon Ph | 1:16.48 |
| 6 | 6 | Jasmine Hall | 12 | Basildon Ph | 1:17.57 |
| 7 | 7 | Abigail Davis | 12 | Modernian | 1:18.26 |
| 8 | 8 | Gigi Raubitschek-Smith | 12 | Hatfield | 1:20.47 |