| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Kaiya LOCKTON | 10 | Loughborough | 1:44.95 |
| 2 | 2 | Lily-May CLARK | 10 | Melton M'bry | 1:42.37 |
| 3 | 3 | Ivy BROWN | 11 | Melton M'bry | 1:40.63 |
| 4 | 4 | Connie KYLE | 11 | Leic Sharks | 1:35.84 |
| 5 | 5 | Milen MERRITT | 11 | Melton M'bry | 1:37.33 |
| 6 | 6 | Sophie LANE | 11 | Leic Sharks | 1:40.84 |
| 7 | 7 | Yaochen JIN | 11 | Leic Sharks | 1:43.90 |
| 8 | 8 | Ivy LOWE | 11 | Market Har | 1:46.75 |