| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Rosie Morgan | 16 | Aberdeen Per | 29.04 |
| 1 | 2 | Jessica Woodward | 16 | Hatfield | 28.85 |
| 2 | 3 | G Melbourne-Smith | 16 | Co Liverpool | 28.64 |
| 3 | 4 | Sacha Thomas | 16 | Co Norwich | 28.41 |
| 4 | 5 | Betsy Wizard | 16 | Northampton | 28.27 |
| 5 | 6 | Maisie Elliott | 16 | Co Leicester | 28.33 |
| 6 | 7 | Lottie Wynne-Jones | 16 | Co Milton K | 28.56 |
| 7 | 8 | Sara Kalawska | 16 | Hatfield | 28.73 |
| 8 | 9 | Ella Chown | 16 | S Bournem'th | 28.85 |
| 9 | 10 | Kirstie Flynn | 16 | Natare W Lon | 29.06 |