EVENT 1 Female 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Renesamae GANE | 12 | Co Coventry | 8:00.00 |
| 4 | 2 | Philippa WARREN | 14 | Co Coventry | 7:58.90 |
| 5 | 3 | Clare MURPHY | 13 | Co Coventry | 6:38.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 4 | Ivy LUKACS | 12 | Co Coventry | 6:26.60 |
| 3 | 5 | Isabel BROWNSON | 13 | Co Coventry | 6:23.15 |
| 4 | 6 | Summah BHATTI | 13 | Co Coventry | 6:18.26 |
| 5 | 7 | Beatrise KULIKA | 13 | Co Coventry | 6:08.79 |
| 6 | 8 | Evie CARROLL | 12 | Co Coventry | 6:00.00 |
| 7 | 9 | Aurora CAMPS | 13 | Co Coventry | 6:00.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Andreea BINZARI | 14 | Co Coventry | 6:00.00 |
| 2 | 13 | Prajna SUBRAMANYA | 13 | Co Coventry | 6:00.00 |
| 3 | 15 | Briony SMITH | 13 | Co Coventry | 5:39.06 |
| 4 | 17 | Isabel JONES | 12 | Co Coventry | 3:20.00 |
| 5 | 16 | Eva SIMPKINS | 14 | Co Coventry | 5:34.29 |
| 6 | 14 | Sophie SCOTT | 12 | Co Coventry | 5:49.14 |
| 7 | 12 | Charlotte RAMSAY | 13 | Co Coventry | 6:00.00 |
| 8 | 10 | Anna GARDINER | 13 | Co Coventry | 6:00.00 |