| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Derek Redmond |  GBR | 45.03 CR | |
| 2 | Roberto Hernández |  CUB | 45.33 | |
| 3 | Mathias Schersing |  GDR | 45.50 | |
| 4 | Darren Clark |  AUS | 45.58 | |
| 5 | Héctor Daley |  PAN | 46.05 | |
| 6 | Antonio Sánchez |  ESP | 46.19 | |
| 7 | John Anzrah |  KEN | 46.45 | |
| Alemayehu Gudeta |  ETH | DNS | 
| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Thomas Schönlebe |  GDR | 44.81 CR | |
| 2 | David Kitur |  KEN | 44.94 | |
| 3 | Roddie Haley |  USA | 45.14 | |
| 4 | Bert Cameron |  JAM | 45.14 | |
| 5 | Susumu Takano |  JPN | 45.81 | |
| 6 | Mohamed Amer Al-Malky |  OMA | 45.94 | |
| 7 | Vladimir Prosin |  URS | 45.94 | |
| 8 | Luboš Balošák |  TCH | 46.76 | 
| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Innocent Egbunike |  NGR | 45.46 | |
| 2 | Devon Morris |  JAM | 45.49 | |
| 3 | Harry Reynolds |  USA | 45.49 | |
| 4 | Anton Skerritt |  CAN | 45.65 | |
| 5 | Aleksandr Kurochkin |  URS | 45.76 | |
| 6 | Tito Sawe |  KEN | 45.93 | |
| 7 | Gerson A. Souza |  BRA | 46.46 | |
| 8 | Ismail Macev |  YUG | 46.54 | 
| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Jens Carlowitz |  GDR | 45.27 | |
| 2 | Moses Ugbisie |  NGR | 45.30 | |
| 3 | Gabriel Tiacoh |  CIV | 45.33 | |
| 4 | Marcel Arnold |  SUI | 45.76 | |
| 5 | Antonio McKay |  USA | 45.85 | |
| 6 | Elvis Forde |  BAR | 45.92 | |
| 7 | Philip Brown |  GBR | 46.49 | |
| 8 | Roberto Ribaud |  ITA | 46.68 |