| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Theodora Taylor | 13 | Torfaen D | 57.08 |
| 1 | 2 | Hollie Widdows | 16 | Mt Kelly | 56.76 |
| 2 | 3 | Flawia Kamzol | 15 | Mt Kelly | 56.56 |
| 3 | 4 | Nicole De Pree | 16 | Millfield | 56.42 |
| 4 | 5 | Laurie Devine | 16 | Repton | 55.80 |
| 5 | 6 | Evie Floate | 17 | Plymouth Lea | 56.22 |
| 6 | 7 | Skye Carter | 15 | Basildon Ph | 56.47 |
| 7 | 8 | Amelia Brian | 17 | Beckenham | 56.74 |
| 8 | 9 | Ping Yi Audrey Lau | 17 | Co Birm'ham | 56.80 |
| 9 | 10 | Izzy Blackhurst | 15 | TauntonDeane | 57.10 |