EVENT 101 Open/Male 10 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Thomas Hinde | 10 | RichmondDale | 7:41.65 |
| 3 | 3 | Joe Horner | 11 | Eston | 6:40.08 |
| 4 | 5 | Edward Proud | 12 | Middlesboro | 6:15.00 |
| 5 | 4 | William Colebrook | 15 | Eston | 6:20.50 |
| 6 | 2 | William Sapstead | 11 | Middlesboro | 6:53.47 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | William Proud | 12 | Middlesboro | 5:54.05 |
| 2 | 9 | Ethan Reddivari | 13 | Middlesboro | 5:33.90 |
| 3 | 11 | Caleb Britton | 13 | Tadcaster | 5:15.04 |
| 4 | 13 | Thomas McDermott | 18 | Middlesboro | 4:34.29 |
| 5 | 12 | Robert Shipley | 14 | Middlesboro | 4:53.00 |
| 6 | 10 | Jacob Redding | 13 | Middlesboro | 5:17.84 |
| 7 | 8 | Adam Shipley | 11 | Middlesboro | 5:45.00 |
| 8 | 6 | Jake Reddivari | 11 | Middlesboro | 6:14.76 |