| Final | |||||
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 1 | Megan Bowen | 97 | Plymouth Lea | 59.12 |
| 1 | 2 | Jessica Jackson | 97 | Hatfield | 58.80 |
| 2 | 3 | Siwan Thomas-Howells | 97 | Swim Swansea | 58.64 |
| 3 | 4 | Lucy Hope | 97 | B.E.S.T. | 58.01 |
| 4 | 5 | Harriet Cooper | 97 | Co Leicester | 56.61 |
| 5 | 6 | Katie Latham | 97 | Thanet Swim | 57.84 |
| 6 | 7 | Linda Shaw | 97 | Co Leeds | 58.42 |
| 7 | 8 | Brearnna Close | 97 | Co Manch Aq | 58.73 |
| 8 | 9 | Mari Davies | 98 | Caernarfon | 58.97 |
| 9 | 10 | Maya Westlake | 97 | Lincoln Vulc | 59.26 |