| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Quincy Watts |
USA
|
45.07 Q | |
| 2 | Simon Kemboi |
KEN
|
45.22 Q | |
| 3 | Neil de Silva |
TTO
|
45.50 Q | |
| 4 | Rico Lieder |
GER
|
45.66 Q | |
| 5 | Jean-Louis Rapnouil |
FRA
|
45.69 | |
| 6 | Sadek Boumendil |
ALG
|
45.91 | |
| 7 | Cayetano Cornet |
ESP
|
46.46 | |
| Francis Ogola |
UGA
|
DQ |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Samson Kitur |
KEN
|
45.02 Q | |
| 2 | Sunday Bada |
NGR
|
45.21 Q | |
| 3 | Gregory Haughton |
JAM
|
45.48 Q | |
| 4 | Solomon Amegatcher |
GHA
|
45.59 Q | |
| 5 | Dmitriy Golovastov |
RUS
|
46.00 | |
| 6 | Ade Mafe |
GBR
|
46.03 | |
| 7 | Jean-Claude Yékpé |
BEN
|
47.09 | |
| 8 | Shigekazu Omori |
JPN
|
47.42 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Michael Johnson |
USA
|
44.72 Q | |
| 2 | Ibrahim Ismail Muftah |
QAT
|
44.95 Q | |
| 3 | Evon Clarke |
JAM
|
45.32 Q | |
| 4 | Norberto Téllez |
CUB
|
45.51 Q | |
| 5 | Troy Douglas |
BER
|
45.57 | |
| 6 | Patrick Delice |
TTO
|
45.70 | |
| 7 | Anton Ivanov |
BUL
|
45.93 | |
| 8 | Andrea Nuti |
ITA
|
46.77 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Harry Reynolds |
USA
|
44.71 Q | |
| 2 | Kennedy Ochieng |
KEN
|
44.90 Q | |
| 3 | Ian Morris |
TTO
|
45.90 Q | |
| 4 | Du'aine Ladejo |
GBR
|
46.51 Q | |
| 5 | Roger Jordan |
BAR
|
46.89 | |
| 6 | Benyounés Lahlou |
MAR
|
47.83 | |
| Ibrahim Hassan |
GHA
|
DNS | ||
| Roberto Hernández |
CUB
|
DNS |