EVENT 505 Open/Male 13/15 Yrs 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 2 | Julius Berisha | 13 | | Wellingboro | 6:38.00 |
| 2 | 4 | Kushal Mistry | 15 | | Northampton | 6:27.39 |
| 3 | 6 | Oscar Cutmore | 13 | SM15 | Corby | 6:08.50 |
| 4 | 8 | Jacob Quennell | 13 | | Northampton | 5:54.50 |
| 5 | 7 | Joseph Bird | 13 | | Northampton | 6:04.30 |
| 6 | 5 | Oliver Trenwith | 13 | | Corby | 6:12.90 |
| 7 | 3 | Alex Lawrence | 13 | | Daventry | 6:37.00 |
| 8 | 1 | Grayson Watford | 13 | | Wellingboro | 6:41.40 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 10 | Lucas Poole | 14 | | Northampton | 5:47.00 |
| 2 | 12 | Oscar Venn | 14 | | Northampton | 5:38.70 |
| 3 | 14 | Seth Gillies | 15 | | Northampton | 5:37.40 |
| 4 | 16 | Daniel Mustata | 15 | | Corby | 5:20.20 |
| 5 | 15 | Louis Pell | 15 | | Northampton | 5:35.70 |
| 6 | 13 | James Oscroft | 13 | | Northampton | 5:37.80 |
| 7 | 11 | Callum Taylor | 15 | | Northampton | 5:39.20 |
| 8 | 9 | Tommy Knipes | 15 | | Northampton | 5:52.30 |