EVENT 301 Men Open 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 2 | 5 | Luke Ibbeson | 03 | Wycombe Dist | 4:36.88 |
| 3 | 9 | William Ryley | 98 | Bath Univ | 4:24.63 |
| 4 | 13 | Mark Szaranek | 95 | UniOfStirl | 4:16.28 |
| 5 | 11 | Charlie Hutchison | 02 | Loughboro NC | 4:17.63 |
| 6 | 7 | Cameron Brooker | 02 | Bath NC | 4:31.84 |
| 7 | 3 | Jan Poulton | 04 | Wycombe Dist | 4:38.30 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 2 | Charles Kershaw | 02 | Plymouth Lea | 4:38.42 |
| 2 | 6 | Jackson O'Rourke | 02 | Northampton | 4:33.72 |
| 3 | 10 | Jacob Greenow | 99 | Bath Univ | 4:20.01 |
| 4 | 14 | Max Litchfield | 95 | Loughboro NC | 4:10.94 |
| 5 | 12 | Brodie Williams | 99 | Bath NC | 4:16.63 |
| 6 | 8 | Angus Allison | 03 | Warrender Ba | 4:29.42 |
| 7 | 4 | Harvey Freeman | 04 | Northampton | 4:38.15 |
| 8 | 1 | Myles Turner | 00 | West Suffolk | 4:38.49 |