EVENT 504 Women MC 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 6 | Fallon Cooney | 21 | S10 | Co Manch Aq | 1:30.42 |
| 4 | 10 | Rebecca Hardy-Bishop | 23 | S13 | Jersey | 1:26.10 |
| 5 | 8 | Charlie-Morgan Imrie | 16 | S14 | Nova Cent'n | 1:29.48 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 2 | Ella Williams | 16 | S13 | Swindon | 1:32.41 |
| 2 | 4 | Mwaba Mkwasa | 18 | S8 | Norwich Swan | 1:39.97 |
| 3 | 7 | Evie Lambert | 16 | S9 | Bo Kirklees | 1:28.91 |
| 4 | 11 | Isabella Haynes | 15 | S9 | S Bournem'th | 1:21.36 |
| 5 | 9 | Tylia Glynn | 17 | S14 | Stockport Mo | 1:27.28 |
| 6 | 5 | Abigail Daly | 18 | S14 | Devonport | 1:40.73 |
| 7 | 3 | Ellen Stephenson | 19 | S14 | RichmondDale | DN:C . |
| 8 | 1 | Tia Johnson | 11 | S10 | Gates &Whick | 1:31.94 |