| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Chloe OGDEN | 15 | Bishop Stort | 1:19.65 |
| 2 | 2 | Honey HARVEY | 15 | UEA Norwich | 1:19.12 |
| 3 | 3 | Abigail HURST | 15 | Berkhamsted | 1:18.24 |
| 4 | 4 | Molly LEE | 15 | West Norfolk | 1:16.95 |
| 5 | 5 | Lauren HARRISON | 15 | Co Peterboro | 1:17.97 |
| 6 | 6 | Nadine SMITH | 15 | Hatfield | 1:19.02 |
| 7 | 7 | Lauren WATT | 15 | Newmarket | 1:19.53 |
| 8 | 8 | Alara NORTON | 15 | Cheshunt | 1:20.92 |