| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Winthrop Graham |
JAM
|
48.09 Q | |
| 2 | Derrick Adkins |
USA
|
48.51 Q | |
| 3 | Oleg Tverdokhleb |
UKR
|
48.62 q | |
| 4 | Barnabas Kinyor |
KEN
|
49.06 q | |
| 5 | Sven Nylander |
SWE
|
49.21 | |
| 6 | Dries Vorster |
RSA
|
49.52 | |
| 7 | Gary Cadogan |
GBR
|
49.59 | |
| 8 | Hidekazu Katsuki |
JPN
|
49.72 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Samuel Matete |
ZAM
|
48.18 Q | |
| 2 | Erick Keter |
KEN
|
48.24 Q | |
| 3 | Fabrizio Mori |
ITA
|
49.23 | |
| 4 | Jose Perez |
CUB
|
49.34 | |
| 5 | Yoshihiko Saito |
JPN
|
49.43 | |
| 6 | Marc Dollendorf |
BEL
|
49.93 | |
| 7 | Olaf Hense |
GER
|
50.05 | |
| 8 | Niklas Wallenlind |
SWE
|
50.40 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Kevin Young |
USA
|
47.99 Q | |
| 2 | Stéphane Diagana |
FRA
|
48.50 Q | |
| 3 | Giorgio Frinolli |
ITA
|
49.22 | |
| 4 | Shunji Karube |
JPN
|
49.31 | |
| 5 | Rohan Robinson |
AUS
|
49.36 | |
| 6 | Gideon Biwott |
KEN
|
49.42 | |
| 7 | Domingo Cordero |
PUR
|
49.62 | |
| 8 | Miro Kocuvan |
SLO
|
49.71 |