EVENT 401 Boys Open 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 1 | JOSHUA GILBERT | 10 | | Chesterfield | |
| 2 | 3 | LUQMAN ABDI | 13 | SM6 | Co Coventry | 14:00.00 |
| 3 | 5 | MAX SMITH | 10 | | Co Sheffield | 6:58.01 |
| 4 | 7 | MASON CAMERON | 12 | | Co Sheffield | 6:35.01 |
| 5 | 6 | ERNESTO GARCIA | 11 | | Co Sheffield | 6:35.01 |
| 6 | 4 | SIDNEY STEWART | 12 | | Co Sheffield | 7:38.01 |
| 7 | 2 | STEPHEN IANKOV | 11 | | DerbyPhoenix | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 9 | JACK BAINBRIDGE | 14 | | Chesterfield | 6:09.25 |
| 2 | 11 | JOEL HARBY | 14 | | Sherwood | 5:27.74 |
| 3 | 13 | JAMES DUGGAN | 16 | | Swadlincote | 5:19.69 |
| 4 | 15 | NOAH VAN HOOREBEEK | 15 | | Chesterfield | 5:11.95 |
| 5 | 14 | RYAN CORNISH | 16 | | Buxton | 5:18.23 |
| 6 | 12 | MARTIN IANKOV | 14 | | DerbyPhoenix | 5:25.85 |
| 7 | 10 | GETHIN SINCLAIR | 13 | | Co Sheffield | 5:45.16 |
| 8 | 8 | RONNIE PARKER | 12 | | Co Sheffield | 6:22.01 |