| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Martha Hurst | 14 | Stockport Mo | 1:18.56 |
| 1 | 2 | Olivia Molden | 14 | Stockport Mo | 1:17.67 |
| 2 | 3 | Ela Norton | 14 | Hatfield | 1:17.65 |
| 3 | 4 | Kaitlyn Hanson-Puffer | 14 | Barnes SC | 1:17.60 |
| 4 | 5 | Daisy Robson-Jones | 14 | Co Leicester | 1:17.06 |
| 5 | 6 | Rebecca Keetley | 14 | Middlesboro | 1:17.32 |
| 6 | 7 | Alyssa McIlroy | 14 | Southport | 1:17.64 |
| 7 | 8 | Ella Bainbridge | 14 | N Lincs SS | 1:17.65 |
| 8 | 9 | Amy West | 14 | Stockport Mo | 1:17.70 |
| 9 | 10 | Macy Norton | 14 | Co Leicester | 1:18.60 |