400mH Men 1st round, Heat:2 of 2 ; Official result since 17:24
| Rank | Lane | ID | Name | SB | Team | Cat | Result | Info | Video |
| 1 | 4 | 293 | PRETORIUS Constant | RSA | Jun | 52.83 | Q | ||
| 2 | 6 | 239 | KURUI Kenneth | KEN | Jun | 53.47 | Q | ||
| 3 | 5 | 259 | EMILIEN Orwin | MRI | Jun | 53.77 | Q | ||
| 4 | 1 | 205 | Ibrahim WABE Kedir | ETH | Jun | 54.05 | q | ||
| 5 | 2 | 307 | BABOU Oumar | SEN | Jun | 56.17 | |||
| 3 | 155 | YEDJEDD Kenzi | ALG | Jun | DNF |
