EVENT 204 Female 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Daisy Hands | 9 | Co Coventry | |
| 4 | 2 | Rina Ombudo | 15 | Co Coventry | |
| 5 | 3 | Federica Liguori | 7 | Co Coventry | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Klaudia Law | 9 | Co Coventry | |
| 2 | 5 | Miley-Rose Archer | 11 | Co Coventry | |
| 3 | 6 | Poppy Sephton-Brown | 8 | Co Coventry | |
| 4 | 7 | Kristjana Birgisdottir | 8 | Co Coventry | |
| 5 | 8 | Erika Binzari | 10 | Co Coventry | |
| 6 | 9 | Blanka Stankiewicz | 10 | Co Coventry | |
| 7 | 10 | Lucy Miller | 10 | Co Coventry | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Amelie Wilkinson | 10 | Co Coventry | |
| 2 | 12 | Isabella Moore | 11 | Co Coventry | |
| 3 | 13 | Maiya Lydiard | 10 | Co Coventry | |
| 4 | 14 | Iris Bell | 10 | Co Coventry | |
| 5 | 15 | Grace Randell | 10 | Co Coventry | |
| 6 | 16 | Beth Popham | 11 | Co Coventry | |
| 7 | 17 | Olivia Round | 10 | Co Coventry | |
| 8 | 18 | Eva Nijjar | 14 | Co Coventry | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Isabel Jones | 11 | Co Coventry | |
| 2 | 20 | Beatrice Bell | 14 | Co Coventry | |
| 3 | 21 | Joanna SHING | 11 | Co Coventry | |
| 4 | 22 | Ellie Davidson | 11 | Co Coventry | |
| 5 | 23 | Bridie Regan-Morris | 17 | Co Coventry | |
| 6 | 24 | Amelia Kelly | 12 | Co Coventry | |
| 7 | 25 | Renesamae Gane | 11 | Co Coventry | |
| 8 | 26 | Hattie Smith | 10 | Co Coventry | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | Lulu Ali | 11 | Co Coventry | |
| 2 | 28 | Eva Jones | 11 | Co Coventry | |
| 3 | 29 | Aashirya Budathoki | 13 | Co Coventry | |
| 4 | 30 | Andreea Binzari | 13 | Co Coventry | |
| 5 | 31 | Beatrise Kulika | 13 | Co Coventry | |
| 6 | 32 | Lucy Scott | 12 | Co Coventry | |
| 7 | 33 | Heidi-Mai Guest | 14 | Co Coventry | |
| 8 | 34 | Aurora Camps | 12 | Co Coventry | |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 35 | Arabella Kerswell | 14 | Co Coventry | |
| 2 | 36 | Maisie-Mae Williams | 14 | Co Coventry | |
| 3 | 37 | Lucie Daniels | 15 | Co Coventry | |
| 4 | 38 | Tamzin Scope | 13 | Co Coventry | |
| 5 | 39 | Chloe Phillips | 15 | Co Coventry | |
| 6 | 40 | Agata Scerbakova | 14 | Co Coventry | |
| 7 | 41 | Eva Chinnock | 14 | Co Coventry | |
| 8 | 42 | Madeline Whitehouse | 18 | Co Coventry | |