| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Michael Johnson |
USA
|
45.60 Q | |
| 2 | Norberto Téllez |
CUB
|
45.79 Q | |
| 3 | Ian Morris |
TTO
|
45.80 Q | |
| 4 | Dmitriy Golovastov |
RUS
|
45.97 Q | |
| 5 | Du'aine Ladejo |
GBR
|
46.17 q | |
| 6 | Gholamreza Sistani |
IRI
|
48.27 | |
| 7 | Livingstone Roach |
SKN
|
48.72 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Jean-Louis Rapnouil |
FRA
|
45.63 Q | |
| 2 | Kennedy Ochieng |
KEN
|
45.68 Q | |
| 3 | Roberto Hernández |
CUB
|
46.01 Q | |
| 4 | Andrea Nuti |
ITA
|
46.59 Q | |
| 5 | Keteng Baloseng |
BOT
|
47.93 | |
| Slobodan Brankovic |
IWP
|
DNS | ||
| Ilir Xhani |
ALB
|
DNS |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Sunday Bada |
NGR
|
45.98 Q | |
| 2 | Gregory Haughton |
JAM
|
46.10 Q | |
| 3 | Patrick Delice |
TTO
|
46.16 Q | |
| 4 | Sadek Boumendil |
ALG
|
46.37 Q | |
| 5 | Shigekazu Omori |
JPN
|
47.17 q | |
| 6 | Roger Jordan |
BAR
|
47.75 q | |
| 7 | Francisco Flores |
HON
|
50.86 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Simon Kemboi |
KEN
|
45.91 Q | |
| 2 | Quincy Watts |
USA
|
45.94 Q | |
| 3 | Ibrahim Hassan |
GHA
|
46.61 Q | |
| 4 | Benyounés Lahlou |
MAR
|
46.64 Q | |
| 5 | Jean-Claude Yékpé |
BEN
|
46.92 q | |
| 6 | Raymundo Escalante |
MEX
|
48.03 | |
| 7 | Stephen Lugor |
SUD
|
48.72 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Harry Reynolds |
USA
|
45.34 Q | |
| 2 | Ibrahim Ismail Muftah |
QAT
|
45.48 Q | |
| 3 | Solomon Amegatcher |
GHA
|
45.68 Q | |
| 4 | Ade Mafe |
GBR
|
46.25 Q | |
| 5 | Francis Ogola |
UGA
|
46.53 q | |
| 6 | Anton Ivanov |
BUL
|
46.84 q | |
| Baobo Neuendorf |
PNG
|
DNF |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Samson Kitur |
KEN
|
45.71 Q | |
| 2 | Neil de Silva |
TTO
|
45.74 Q | |
| 3 | Evon Clarke |
JAM
|
45.92 Q | |
| 4 | Rico Lieder |
GER
|
46.06 Q | |
| 5 | Troy Douglas |
BER
|
46.17 q | |
| 6 | Cayetano Cornet |
ESP
|
46.57 q | |
| 7 | Kossi Akoto |
TOG
|
47.91 |