| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Isabelle WALCZAK | 15 | Leic Peng | 1:28.00 |
| 2 | 2 | Izzy MACSWINEY | 15 | Leic Sharks | 1:25.56 |
| 3 | 3 | Matilda HERRIES | 15 | Loughborough | 1:21.92 |
| 4 | 4 | Charlotte BYRON | 15 | Melton M'bry | 1:19.42 |
| 5 | 5 | Darcie PLATTS | 15 | Braunstone | 1:20.44 |
| 6 | 6 | Isla PICKERING | 15 | Coalville | 1:24.78 |
| 7 | 7 | Lucy SNAITH | 15 | Loughborough | 1:27.29 |
| 8 | 8 | Martha CAMPBELL | 15 | Melton M'bry | 1:28.67 |