400m Men, Heat:1 of 2 ; Official result
| Rank | Lane | ID | Name | PB | Team | Result | Info |
| 1 | 4 | 9388 | Guezmil Mohamed Amine | TUN | 46.91 | ||
| 2 | 3 | 3175 | Destatte Arnaud | RCB | 47.16 | ||
| 3 | 5 | 9030 | Byron Justin | USA | 47.31 | ||
| 4 | 7 | 9053 | Shapsai Yuri | ISR | 47.45 | ||
| 5 | 8 | 3174 | Destatte Cedric | RCB | 48.30 | ||
| 6 | 2 | 9032 | De Wild DaniÆl | NED | 48.44 | ||
| 7 | 6 | 3080 | Schoeps Matthieu | ATH | 48.75 |