| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Lottie Wynne-Jones | 16 | Co Milton K | 28.01 |
| 1 | 2 | Hollie Widdows | 13 | Mt Kelly | 28.00 |
| 2 | 3 | G Melbourne-Smith | 16 | Co Liverpool | 27.89 |
| 3 | 4 | Leah Whittaker | 14 | Mt Kelly | 27.74 |
| 4 | 5 | Olivia Marshall | 17 | Plymouth Lea | 27.65 |
| 5 | 6 | Ciara Morris | 17 | Millfield | 27.68 |
| 6 | 7 | Maisie Elliott | 16 | Co Leicester | 27.89 |
| 7 | 8 | Katelyn Bergin | 18 | Mt Kelly | 27.90 |
| 8 | 9 | Isabel Iley | 14 | Bo Waltham F | 28.00 |
| 9 | 10 | Sacha Thomas | 16 | Co Norwich | 28.09 |