EVENT 308 Female MC 11 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Isabella Dragon | 11 | Ashton Cent | 8:11.30 |
| 2 | 3 | Alba Vazzana | 11 | Warrington W | 6:45.00 |
| 3 | 5 | Sophia Wycherley | 12 | Ashton Cent | 6:32.00 |
| 4 | 7 | Amelia Tinsley | 12 | Warrington W | 6:23.00 |
| 5 | 6 | Isla Perry | 11 | Warrington W | 6:27.80 |
| 6 | 4 | Esmie Wiles | 12 | Warrington W | 6:44.47 |
| 7 | 2 | Eva Smith | 12 | Warrington W | 6:50.43 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Yarah Ghazal | 13 | Lancaster | 6:16.25 |
| 2 | 11 | Evangeline Brown | 12 | Bolton Metro | 6:14.62 |
| 3 | 13 | Florence Simcock | 14 | Warrington W | 6:01.14 |
| 4 | 15 | Jessica Cope | 14 | Bolton Metro | 5:57.56 |
| 5 | 14 | Anujin Unur | 11 | Warrington W | 5:57.80 |
| 6 | 12 | Emmie Connors | 11 | Warrington W | 6:10.34 |
| 7 | 10 | Seren Johnson | 11 | Wirral Metro | 6:14.78 |
| 8 | 8 | Aimee-Rose Hope | 13 | Bolton Metro | 6:21.21 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Maya Karwa | 12 | Warrington W | 5:51.30 |
| 2 | 19 | Pinklily Tarek | 13 | Warrington W | 5:44.40 |
| 3 | 21 | Ava Gibson | 16 | Prescot | 5:36.22 |
| 4 | 23 | Martha Sumnall | 14 | Everton | 5:10.50 |
| 5 | 22 | Emily Tabern | 14 | Warrington W | 5:12.48 |
| 6 | 20 | Jessica Jones | 15 | Warrington W | 5:41.71 |
| 7 | 18 | Emily Rowe | 13 | Co Salford | 5:46.11 |
| 8 | 16 | Natalie Koleva | 13 | Warrington W | 5:56.50 |