| 1 | Todd Bennett | GBR | 46,45 | Q |
| 2 | Klaus Just | FRG | 46,63 | Q |
| 3 | José Alonso | ESP | 46,98 | q |
| 4 | Roberto Ribaud | ITA | 47,18 | |
| Gusztav Menczer | HUN | DNF |
| 1 | Angel Heras | ESP | 46,70 | Q |
| 2 | Roberto Tozzi | ITA | 46,97 | Q |
| 3 | Andrzej Stepien | POL | 47,23 | |
| 4 | Roger Black | GBR | 49,67 | |
| Uwe Wegner | FRG | DNS |