| 1 | Thomas Schönlebe | GDR | |
44,33 | AR |
| 2 | Innocent Egbunike | NGR | |
44,56 | |
| 3 | Harry Reynolds | USA | |
44,80 | |
| 4 | Roberto Hernández | CUB | 44,99 | ||
| 5 | Derek Redmond | GBR | 45,06 | ||
| 6 | David Kitur | KEN | 45,34 | ||
| 7 | Gabriel Tiacoh | CIV | 46,27 | ||
| 8 | Roddie Haley | USA | 46,77 |