400m MEN HEATS, Heat:1 of 10 ; Official result since 14:51
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 2 | 281 | MUZALA SAMUKONGA | GEAC | 46.00 | q | |||
| 2 | 5 | 296 | PATRICK NYAMBE | GEAC | 46.44 | q | |||
| 3 | 1 | 109 | ENEX C APPLE | SMAA | 50.05 | ||||
| 4 | 6 | 191 | FRANCIS BANDA | RAAC | 50.40 | ||||
| 5 | 3 | 216 | DAN KETI | KANS | 51.54 | ||||
| 6 | 4 | 461 | GEDION BWALE | GBAC | 54.62 | ||||
| 7 | 7 | 238 | LAMECK SINYANGWE | KONK | 55.19 | ||||
| 8 | 8 | 148 | ENOCK CHIBOKO | NCHA | 55.86 |