400m Nat. Hommes, Heat:4 of 4 ; Official result since 18:32
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 9098 | DOS SANTOS RICARDO | 45.14 | POR | Sen | 47.06 | ||
| 2 | 3 | 9039 | MAMO NOAM | 47.60 | ISR | Jun | 48.03 | ||
| 3 | 5 | 9099 | REALE EL-MIR | 46.47 | FRA | Sen | 48.11 | ||
| 4 | 8 | 9101 | LACOUTURE CEDRIC | 47.94 | FRA | Sen | 48.33 | ||
| 5 | 6 | 1855 | KEATING MICHEAL | 48.03 | IRL | Sen | 48.36 | ||
| 6 | 7 | 2100 | PIENGEON HADRIEN | 48.35 | BEL | Sen | 49.19 | ||
| 7 | 2 | 1405 | LINS SEBASTIEN | 47.21 | BEL | Sen | 50.16 |