| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Brianna HANSEN-HOARE | 07 | Repton | 1:09.56 |
| 2 | 2 | Charlotte GOWER | 09 | Rugby | 1:07.80 |
| 3 | 3 | Peiqi WU | 09 | Stockport Mo | 1:06.90 |
| 4 | 4 | Fenella WOODDISSE | 08 | Repton | 1:05.37 |
| 5 | 5 | Lily O'NEILL | 08 | Stockport Mo | 1:05.89 |
| 6 | 6 | Amelia DENHAM | 09 | Chesterfield | 1:07.09 |
| 7 | 7 | Rylie ACKROYD | 08 | Tadcaster | 1:08.32 |
| 8 | 8 | Zara HOLT | 10 | Tadcaster | 1:09.58 |