400 meter Men Heats, Heat:6 of 7 ; Official result since 12:43
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 2 | 57 | SCOTCH Leungo | 45.59 | BOT | Senior | 46.74 | Q | |
| 2 | 7 | 512 | ISAACS Gardeo | 46.22 | RSA | Senior | 47.10 | Q | |
| 3 | 6 | 565 | ADOLI Haron | 46.07 | UGA | Senior | 47.11 | Q | |
| 4 | 3 | 392 | RETIEF Andre Johannes | 45.5 | NAM | Senior | 47.25 | q | |
| 5 | 5 | 427 | NNAMANI Johnson | 45.6 | NGR | Senior | 47.37 | q | |
| 6 | 1 | 2600 | BAH Modou Lamin | 47.2 | GAM | Senior | 49.80 | ||
| 8 | 107 | AYINGOUKA Corneille Junior | 50.3 | CAF | Senior | DNS |