EVENT 101 Boy Open 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Max CLARK | 11 | Co Leeds | 7:34.50 |
| 4 | 2 | Leo LI | 10 | Co Leeds | 7:30.00 |
| 5 | 3 | Olaf GRUDOWSKI | 11 | Co Leeds | 7:18.88 |
| 6 | 4 | Hogan LAM | 11 | Co Leeds | 6:54.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 6 | Jacob NIXON | 11 | Middlesboro | 6:39.40 |
| 1 | 8 | Ethan REDDIVARI | 11 | Middlesboro | 6:15.10 |
| 2 | 10 | James THOMSON | 13 | Co Leeds | 6:06.00 |
| 3 | 12 | Hayden LAM | 12 | Co Leeds | 5:35.00 |
| 4 | 14 | Cody INGRAM | 16 | Bo Barnsley | 5:16.45 |
| 5 | 13 | Thomas BIDGOOD | 13 | Satellite | 5:21.40 |
| 6 | 11 | Owen CARMODY | 12 | Co Leeds | 5:41.50 |
| 7 | 9 | Mateo MARINOV | 13 | Stocksbridge | 6:10.26 |
| 8 | 7 | Abdullah MOKHLISSE | 13 | Co Leeds | 6:38.20 |
| 9 | 5 | Noah DARNELL | 11 | Co Leeds | 6:41.20 |