EVENT 205 Boy/Girl Open 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Amelia Matson | 9 | Co Leeds | 8:07.16 |
| 3 | 4 | Alfie Young | 12 | Co Leeds | 7:20.20 |
| 4 | 6 | Halo Bentley-Hicks | 10 | Co Leeds | 7:08.59 |
| 5 | 5 | Ella Jordan | 10 | Co Leeds | 7:16.20 |
| 6 | 3 | Oscar O'Donnell | 9 | Co Leeds | 7:40.00 |
| 7 | 1 | Anabella Chambers | 12 | Co Leeds | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 8 | Florence Dixon | 10 | Co Leeds | 7:00.92 |
| 1 | 10 | Finnley Stevens | 11 | Co Leeds | 6:50.55 |
| 2 | 12 | Holly Harrison | 11 | Co Leeds | 6:39.48 |
| 3 | 14 | Scarlett Clarkson | 11 | Co Leeds | 6:28.34 |
| 4 | 16 | Owen Carmody | 11 | Co Leeds | 6:21.66 |
| 5 | 15 | Mia Travis-Jones | 11 | Co Leeds | 6:23.09 |
| 6 | 13 | Jessica Woods | 11 | Co Leeds | 6:38.30 |
| 7 | 11 | Aira Wilkinson | 12 | Co Leeds | 6:47.10 |
| 8 | 9 | Zach Piercy | 11 | Co Leeds | 6:56.67 |
| 9 | 7 | Samuel Hill | 11 | Co Leeds | 7:03.62 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 18 | William Wilson | 10 | Co Leeds | 6:12.28 |
| 1 | 20 | Oliver Steele | 13 | Co Leeds | 6:02.00 |
| 2 | 22 | Caitlyn Smith | 12 | Co Leeds | 5:54.63 |
| 3 | 24 | Luke Dyer | 13 | Co Leeds | 5:48.44 |
| 4 | 26 | Matilda Ashcroft | 12 | Co Leeds | 5:32.90 |
| 5 | 25 | Nathan Dulay | 15 | Co Leeds | 5:35.71 |
| 6 | 23 | Matthew James | 13 | Co Leeds | 5:51.03 |
| 7 | 21 | Ruby Ellis | 12 | Co Leeds | 6:00.56 |
| 8 | 19 | Mia Steeden | 13 | Co Leeds | 6:06.25 |
| 9 | 17 | Jacob O'Donnell | 11 | Co Leeds | 6:20.73 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 28 | Hazel Blain | 12 | Co Leeds | 5:31.18 |
| 1 | 30 | Elizabeth Dixon | 11 | Co Leeds | 5:27.88 |
| 2 | 32 | Hannah Smith | 13 | Co Leeds | 5:21.41 |
| 3 | 34 | Oliver Whittleston | 14 | Co Leeds | 5:10.86 |
| 4 | 36 | Finlay Williams | 17 | Co Leeds | 5:00.18 |
| 5 | 35 | Hollie Wilson | 12 | Co Leeds | 5:09.61 |
| 6 | 33 | Darcey Crossley | 12 | Co Leeds | 5:17.38 |
| 7 | 31 | Abigail Heald | 15 | Co Leeds | 5:26.15 |
| 8 | 29 | Joseph Hall | 12 | Co Leeds | 5:30.36 |
| 9 | 27 | William Hicklin | 12 | Co Leeds | 5:31.56 |