400 meter Men Heats, Heat:1 of 7 ; Official result since 12:43
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 8 | 51 | NDORI Bayapo | 44.88 | BOT | Senior | 45.31 | Q | |
| 2 | 1 | 582 | SAMUKONGA Muzala | 45.96 | ZAM | Senior | 45.48 | Q | |
| 3 | 5 | 453 | REALE El-mir | 46.47 | REU | Senior | 47.98 | Q | |
| 4 | 7 | 472 | SOUMARE El Hadji malick | 48.02 | SEN | Senior | 48.15 | ||
| 5 | 6 | 317 | REMANDRO Patrice | 46.95 | MAD | Senior | 49.03 | ||
| 2 | 281 | KORIR EMANUEL | KEN | Senior | DNS | ||||
| 3 | 2644 | KOKO Awad Elkarim | 48.7 | SUD | Senior | DNS | |||
| 4 | 2639 | MATHIAS Benedictor | 48.8 | TAN | Senior | DNS |