| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Molly King | 15 | Oswestry Ott | 44.13 |
| 2 | 2 | Ffion Williams | 15 | TelfordAqua | 42.80 |
| 3 | 3 | Paige Simpson | 15 | Market Dray | 40.06 |
| 4 | 4 | Daisy Berry | 15 | Northgate | 38.35 |
| 5 | 5 | Martha Gibbard | 15 | Northgate | 39.03 |
| 6 | 6 | Hermione Turner | 15 | TelfordAqua | 42.58 |
| 7 | 7 | Nia Brook | 15 | Oswestry Ott | 44.12 |
| 8 | 8 | Hattie Sloane | 15 | Oswestry Ott | 44.27 |