EVENT 201 Girl Open 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Isobel JOHNSON | 14 | Eckington | 6:15.00 |
| 3 | 4 | Henrietta CHICK | 11 | Newcastle St | 6:02.50 |
| 4 | 3 | Tiegan GRAY | 14 | Gainsborough | 6:08.34 |
| 5 | 1 | Alisha CAMERON | 12 | Sheffield C | 6:20.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Tia PLUMTREE | 14 | Rotherham Mo | 5:53.54 |
| 2 | 8 | Nia THORMAN | 15 | Rotherham Mo | 5:48.78 |
| 3 | 10 | Matilda HASE | 14 | Derventio | 5:33.93 |
| 4 | 9 | Tammi PLUMTREE | 13 | Rotherham Mo | 5:44.96 |
| 5 | 7 | Emily LYONS | 14 | Derventio | 5:53.50 |
| 6 | 5 | Bethan TAYLOR | 12 | Sheffield C | 6:00.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Abigail ARMSTRONG | 14 | Sheffield C | 5:30.00 |
| 2 | 14 | Grace TURNER | 14 | Grantham | 5:23.76 |
| 3 | 16 | Poppy MEAD | 16 | Derventio | 5:14.85 |
| 4 | 15 | Annabel BLAINEY | 17 | Newcastle St | 5:22.64 |
| 5 | 13 | Daisy GUTTRIDGE | 16 | Rotherham Mo | 5:24.90 |
| 6 | 11 | Isabelle LESTER | 16 | Matlock | 5:32.11 |