| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Lilly LEWERS | 10 | CARA | 2:30.00 |
| 3 | 2 | Darcey COOPER | 10 | CARA | 2:25.00 |
| 4 | 3 | Emilia JONES | 11 | CARA | 2:20.00 |
| 5 | 4 | Poppy WALKER-BROWN | 12 | CARA | 2:00.00 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Charlie BURSZTYN | 13 | CARA | 1:30.20 |
| 2 | 8 | Belle BACON | 12 | CARA | 1:15.00 |
| 3 | 10 | Neve BURSZTYN | 15 | CARA | 1:11.00 |
| 4 | 9 | Jessica MITCHELL | 19 | CARA | 1:11.00 |
| 5 | 7 | Katie MERRYWEATHER | 15 | CARA | 1:15.90 |
| 6 | 5 | Isabella HAVALJA | 12 | CARA | 1:30.80 |