| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Sophie Tsz Ching WONG | 10 | Co Coventry | 1:07.10 |
| 3 | 4 | Aarna SUBRAMANYA | 8 | Co Coventry | 1:00.00 |
| 4 | 6 | Erika BINZARI | 11 | Co Coventry | 57.30 |
| 5 | 5 | Karina ZELEWSKA | 12 | Co Coventry | 58.40 |
| 6 | 3 | Mila GRINONNEAU | 10 | Co Coventry | 1:03.60 |
| 7 | 1 | Sophie KONG | 9 | Co Coventry | 1:09.13 |
| 8 | 7 | Archer MILEY-RILEY | 11 | Co Coventry | 1.:00..0 |