EVENT 201 Women Open 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Evie Barber | 17 | Royal Wolv | 4:40.07 |
| 3 | 4 | Caitlin Kilgallen | 19 | Chase | 4:37.00 |
| 4 | 6 | Millie Checkley | 17 | Co Birm'ham | 4:33.11 |
| 5 | 5 | Lily Jewell | 19 | Co Birm'ham | 4:35.03 |
| 6 | 3 | Charlotte Harding | 15 | Co Coventry | 4:37.94 |
| 7 | 1 | Bethan Cooke | 14 | Chase | 4:41.43 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Katie Leary | 17 | Royal Wolv | 4:29.48 |
| 2 | 10 | Aimee Monks | 16 | Royal Wolv | 4:23.78 |
| 3 | 12 | Ellie Wheeler | 19 | Birm'ham Uni | 4:22.71 |
| 4 | 14 | Aimee Hood | 17 | Co Birm'ham | 4:16.70 |
| 5 | 13 | Eve Leleux | 18 | Wrekin Coll | 4:21.67 |
| 6 | 11 | Katie Thompson | 19 | Co Birm'ham | 4:23.30 |
| 7 | 9 | Lucy Wheeler | 21 | Birm'ham Uni | 4:26.66 |
| 8 | 7 | Zara Beaumont | 15 | Co Hereford | 4:30.55 |