| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Mia Jones | 13 | March | 1:25.45 |
| 2 | 2 | Elsie Cole | 13 | Epping For't | 1:24.93 |
| 3 | 3 | Alice Buckingham | 13 | Verulam | 1:22.06 |
| 4 | 4 | Amy Brightwell | 13 | Norwich Swan | 1:20.55 |
| 5 | 5 | Olivia Daniel | 13 | Verulam | 1:21.77 |
| 6 | 6 | Kaitlyn Hoffman | 13 | Basildon Ph | 1:23.92 |
| 7 | 7 | Freya Keeling | 13 | Hoddesdon | 1:25.09 |
| 8 | 8 | Lily Walsby | 13 | Co Cambridge | 1:25.98 |