400m - MEN SEMI-FINAL, Heat:2 of 2 ; Official result since 18:42
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 8 | 1322 | SAMUEL OGAZI | NGR | Sen | 45.44 | Q | ||
| 2 | 7 | 1430 | DONALD CHIYANGWA | ZIM | Sen | 45.51 | Q | ||
| 3 | 2 | 1420 | HARON ADOLI | UGA | Sen | 45.66 | Q | ||
| 4 | 4 | 1368 | CHEIKH TIDIANE DIOUF | SEN | Sen | 45.74 | q | ||
| 5 | 6 | 1229 | KELVIN KIPKORIR | KEN | Sen | 46.01 | |||
| 6 | 5 | 1046 | BOITUMELO MASILO | BOT | Sen | 46.16 | |||
| 7 | 1 | 1005 | ABDENNOUR BENJEMAA | ALG | Sen | 46.61 | |||
| 8 | 3 | 1362 | ADRIAN SWART | RSA | Sen | 46.97 |