EVENT 502 Mens Open 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 1 | James Gibson | 91 | Stockport Mo | 4:29.58 |
| 2 | 5 | Fraser Minnican | 95 | Millfield | 4:25.38 |
| 3 | 9 | Thomas Haffield | 88 | Co Cardiff | 4:19.90 |
| 4 | 13 | Matthew Johnson | 95 | Co Sheffield | 4:17.26 |
| 5 | 11 | Ross Muir | 91 | UniOfStirl | 4:19.10 |
| 6 | 7 | Nicholas Grainger | 94 | Co Sheffield | 4:24.04 |
| 7 | 3 | David Maxwell | 93 | Co Leeds | 4:27.83 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 2 | Tristan Slater | 93 | Millfield | 4:28.55 |
| 2 | 6 | Chris Suggitt | 93 | Swim Swansea | 4:24.65 |
| 3 | 10 | Xavier Mohammed | 90 | Co Cardiff | 4:19.46 |
| 4 | 14 | Roberto Pavoni | 91 | Loughboro Un | 4:15.56 |
| 5 | 12 | Lewis Smith | 88 | UniOfStirl | 4:18.33 |
| 6 | 8 | Daniel Wallace | 93 | Warrender Ba | 4:20.13 |
| 7 | 4 | Fabian Whitbread | 92 | Warrender Ba | 4:27.73 |