400m National Men, Heat:3 of 4 ; Official result since 18:55
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 219 | TAKAMI SATOSHI | JPN | Sen | 50.14 | |||
| 2 | 5 | 220 | VAN NUFFEL DANNY | LEBB | Sen | 50.53 | |||
| 3 | 3 | 218 | RUTH JEROME | RFCL | Sen | 50.56 | |||
| 4 | 7 | 206 | BELLEMANS KOEN | ROBA | Sen | 50.69 | |||
| 5 | 6 | 208 | HENRI ARNE | ADD | Sen | 50.93 | |||
| 6 | 1 | 209 | HENROTTE MYRIAN | DAMP | Jun | 51.12 | |||
| 7 | 2 | 207 | CARDILLO JOACHIM | RFCL | Sen | 52.29 | |||
| 8 | 8 | 212 | LATINNE REYNALDO | VMOL | Sen | 53.07 |