| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Roberto Hernández |
CUB
|
44.71 Q | |
| 2 | Susumu Takano |
JPN
|
44.91 Q | |
| 3 | Ian Morris |
TTO
|
45.07 Q | |
| 4 | Ibrahim Ismail Muftah |
QAT
|
45.37 Q | |
| 5 | Jens Carlowitz |
GER
|
45.68 | |
| 6 | Dawda Jallow |
GAM
|
46.21 | |
| 7 | Simon Kipkemboi |
KEN
|
46.29 | |
| 8 | Michael Joubert |
AUS
|
46.94 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Andrew Valmon |
USA
|
45.41 Q | |
| 2 | Seymour Fagan |
JAM
|
45.45 Q | |
| 3 | Samson Kitur |
KEN
|
45.54 Q | |
| 4 | Derek Redmond |
GBR
|
45.66 Q | |
| 5 | Paul Greene |
AUS
|
45.97 | |
| 6 | Lázaro MartÃnez |
CUB
|
46.12 | |
| 7 | Tamás Molnár |
HUN
|
46.47 | |
| Carlos Morales |
CHI
|
DNS |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Antonio Pettigrew |
USA
|
45.03 Q | |
| 2 | Mark Garner |
AUS
|
45.08 Q | |
| 3 | Roger Black |
GBR
|
45.39 Q | |
| 4 | Patrick O'Connor |
JAM
|
45.56 Q | |
| 5 | Patrick Delice |
TTO
|
45.78 | |
| 6 | Anthony Wilson |
CAN
|
47.03 | |
| 7 | Amar Hecini |
ALG
|
47.30 | |
| Cayetano Cornet |
ESP
|
DNS |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Alvin Daniel |
TTO
|
45.48 Q | |
| 2 | Benyounés Lahlou |
MAR
|
45.69 Q | |
| 3 | Danny Everett |
USA
|
45.93 Q | |
| 4 | Olivier Noirot |
FRA
|
45.98 Q | |
| 5 | Dmitriy Kliger |
URS
|
46.29 | |
| 6 | Wilson Cañizales |
COL
|
46.42 | |
| 7 | Paul Sanders |
GBR
|
46.59 | |
| Andrea Nuti |
ITA
|
DQ |