| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Mariella Thorne | 13 | Ware | 29.62 |
| 2 | 2 | Olivia Page | 13 | Co Cambridge | 29.30 |
| 3 | 3 | Tilly Howells | 13 | Verulam | 28.79 |
| 4 | 4 | Olivia Daniel | 13 | Verulam | 28.30 |
| 5 | 5 | Betsie Saville | 13 | Canvey Isl | 28.46 |
| 6 | 6 | Dolcie Underwood | 13 | Dereham | 29.15 |
| 7 | 7 | Lily Walsby | 13 | Co Cambridge | 29.37 |
| 8 | 8 | Elsie Cole | 13 | Epping For't | 29.67 |