400 meter Sen Men, Heat:3 of 4 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 1 | 246 | Willie De Beer | 45.68 | AGN | Sen | 46.92 | Q | |
| 2 | 7 | 537 | Richard Breukel | 47.5 | CGA | Sen | 48.00 | Q | |
| 3 | 5 | 285 | Pieter Smith | 47.78 | AGN | Sen | 48.76 | Q | |
| 4 | 4 | 784 | Armandus Gaweseb | NAM | Sen | 49.04 | |||
| 5 | 2 | 395 | Aron Dingoko | NWN | Sen | 49.21 | |||
| 6 | 6 | 741 | Legodi Biko | 48.98 | LIMA | Sen | 50.82 | ||
| 7 | 3 | 407 | James Dingile | 53.37 | TRA | Sen | 54.96 |