400m - MEN SEMI-FINAL, Heat:1 of 2 ; Official result since 18:42
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 1051 | ANTHONY PESELA | BOT | Sen | 45.40 | Q | ||
| 2 | 8 | 1238 | BONIFACE MWERESA | KEN | Sen | 45.70 | Q | ||
| 3 | 6 | 1306 | DUBEM AMENE | NGR | Sen | 45.83 | Q | ||
| 4 | 2 | 1040 | LEE EPPIE | BOT | Sen | 45.96 | q 45.951 | ||
| 5 | 5 | 1325 | CHIDI OKEZIE | NGR | Sen | 45.96 | 45.959 | ||
| 6 | 1 | 1271 | MOHAMED ZARHOUM | MAR | Sen | 46.51 | |||
| 7 | 7 | 1350 | MTHI MTHIMKULU | RSA | Sen | 46.73 | |||
| 8 | 3 | 1431 | DENIS HOVE | ZIM | Sen | 46.98 |