| Order / Lane | ATHLETE | COUNTRY | PB | SB 1991 | 
|---|---|---|---|---|
| 1 | Michael Joubert |  AUS | 46.55 | 46.55 | 
| 2 | Ian Morris |  TTO | 44.60 | 46.16 | 
| 3 | Susumu Takano |  JPN | 44.78 | 44.78 | 
| 4 | Roberto Hernández |  CUB | 44.14 | 45.49 | 
| 5 | Ibrahim Ismail Muftah |  QAT | 45.60 | 46.20 | 
| 6 | Jens Carlowitz |  GER | 44.86 | 45.78 | 
| 7 | Simon Kipkemboi |  KEN | 46.46 | 46.46 | 
| 8 | Dawda Jallow |  GAM | 46.35 | 46.62i | 
| Order / Lane | ATHLETE | COUNTRY | PB | SB 1991 | 
|---|---|---|---|---|
| 1 | Paul Greene |  AUS | 45.96 | 46.27 | 
| 2 | Andrew Valmon |  USA | 46.16 | 46.16 | 
| 3 | Seymour Fagan |  JAM | 44.88 | 44.88 | 
| 4 | Samson Kitur |  KEN | 46.19 | 46.19 | 
| 5 | Lázaro MartÃnez |  CUB | 46.25 | 46.25 | 
| 6 | Derek Redmond |  GBR | 44.50 | 45.78 | 
| 7 | Tamás Molnár |  HUN | 45.44 | 46.64 | 
| 8 | Carlos Morales |  CHI | 46.80 | 46.80 | 
| Order / Lane | ATHLETE | COUNTRY | PB | SB 1991 | 
|---|---|---|---|---|
| 1 | Amar Hecini |  ALG | 46.08 | 46.52 | 
| 2 | Anthony Wilson |  CAN | 46.71 | 46.71 | 
| 3 | Antonio Pettigrew |  USA | 44.27 | 44.36 | 
| 4 | Roger Black |  GBR | 45.36 | 46.02 | 
| 5 | Patrick Delice |  TTO | 46.03 | 46.03 | 
| 6 | Mark Garner |  AUS | 45.77 | 45.77 | 
| 7 | Patrick O'Connor |  JAM | 46.30 | 46.30 | 
| 8 | Cayetano Cornet |  ESP | 44.96 | 46.52i | 
| Order / Lane | ATHLETE | COUNTRY | PB | SB 1991 | 
|---|---|---|---|---|
| 1 | Dmitriy Kliger |  URS | 46.71 | 46.71 | 
| 2 | Olivier Noirot |  FRA | 45.07 | 45.07 | 
| 3 | Wilson Cañizales |  COL | 46.23 | 46.23 | 
| 4 | Alvin Daniel |  TTO | 45.64 | 45.64 | 
| 5 | Danny Everett |  USA | 43.98 | 45.40i | 
| 6 | Benyounés Lahlou |  MAR | 45.80 | 45.80 | 
| 7 | Andrea Nuti |  ITA | 46.80 | 46.80 | 
| 8 | Paul Sanders |  GBR | 46.38 | 46.38 |