EVENT 301 Boys 10 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Joe Dumphy-Brook | 10 | Middlesboro | 7:02.00 |
| 3 | 3 | Michael Charge | 10 | Bo Stockton | 6:49.38 |
| 4 | 5 | Callum Wilson | 11 | Wear Valley | 6:35.00 |
| 5 | 4 | William Proud | 12 | Middlesboro | 6:37.20 |
| 6 | 2 | Baxter Wigg | 10 | Newcastle | 6:50.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Finn Orr | 12 | Alnwick Dol | 6:27.46 |
| 2 | 9 | William Chadaway | 14 | Bo Stockton | 6:03.69 |
| 3 | 11 | Bobbi Potts | 13 | Harrogate | 5:49.72 |
| 4 | 13 | Thomas Connell | 16 | Tynemouth | 5:39.80 |
| 5 | 12 | Joshua Whitton | 13 | Wear Valley | 5:49.65 |
| 6 | 10 | Adrian Reay | 12 | Newcastle | 5:50.00 |
| 7 | 8 | Codrin Catana | 14 | Bo Stockton | 6:12.80 |
| 8 | 6 | Dexter White | 11 | Newcastle | 6:29.45 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Billy Bonner | 15 | Bo Stockton | 5:28.96 |
| 2 | 17 | Will Hewitt | 14 | Middlesboro | 5:17.70 |
| 3 | 19 | Michael O'Neill | 14 | Bo Stockton | 5:11.42 |
| 4 | 21 | George Turner | 16 | Newcastle | 4:52.60 |
| 5 | 20 | Owen Brown | 14 | Newcastle | 5:04.00 |
| 6 | 18 | Stephen Castro | 15 | Bo Stockton | 5:14.60 |
| 7 | 16 | Alexander Anderson | 16 | AFSHartlepol | 5:20.00 |
| 8 | 14 | Ethan Reddivari | 12 | Middlesboro | 5:37.86 |