400 meter mannen, Heat:4 of 5 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 321 | RHALFIOUI, Youssef el | 00:47.11 | PHNS | SEN | 49.11 | Q | |
| 2 | 6 | 419 | VRIEND, Brian | 00:49.55 | LYCG | SEN | 49.31 | Q | |
| 3 | 3 | 320 | REMMINGA, Pascal | 00:49.93 | AQLO | SEN | 49.58 | q | |
| 4 | 2 | 31 | BERKHOUT, Bram | 00:51.25 | NOVA | SEN | 51.06 | ||
| 5 | 4 | 383 | SWANENBERG, Jelle | 00:50.82 | HLLS | SEN | 52.44 | ||
| 6 | 1 | 231 | LEWIS, Thomas | 00:52.23 | PHNS | SEN | 53.10 |