| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Ruby Rowland | 13 | Gt Yarmouth | 1:26.92 |
| 2 | 2 | Oraphin Vandermeer | 13 | Co Cambridge | 1:24.23 |
| 3 | 3 | Jasmine Carter | 13 | Basildon Ph | 1:23.11 |
| 4 | 4 | Clementine Lovell | 13 | teamipswich | 1:21.56 |
| 5 | 5 | Charlisse Harding | 13 | Norwich Swan | 1:22.69 |
| 6 | 6 | Yan Ting Emily Pak | 13 | Co Cambridge | 1:23.62 |
| 7 | 7 | Summer Buckland | 13 | Harlow Pen | 1:25.32 |
| 8 | 8 | Rose Romanus | 13 | teamipswich | 1:27.00 |