400m Hurdles - MEN , Heat:1 of 3 ; Official result since 09:30
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 1053 | KEMORENA TISANG | BOT | Sen | 49.93 | Q | ||
| 2 | 5 | 1339 | LINDUKHLE GORA | RSA | Sen | 50.54 | Q | ||
| 3 | 6 | 1262 | ELMEHDI DEMOCRATI | MAR | Sen | 50.61 | q | ||
| 4 | 7 | 1329 | ALOWONLE RILMAN | NGR | Sen | 50.95 | |||
| 5 | 8 | 1495 | ANDRE RETIEF | NAM | Sen | 51.47 | |||
| 6 | 1 | 1077 | SERGINO EMMANUEL TAMBA ELENGA | CGO | Sen | 51.87 | |||
| 7 | 3 | 1240 | EDWARD NGUNJIRI | KEN | Sen | 52.25 | |||
| 8 | 2 | 1033 | GBENAGNON GERAUD HOUESSOU | BEN | Sen | 54.06 |