| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Michael Johnson |
USA
|
45.31 Q | |
| 2 | Piotr Haczek |
POL
|
45.43 Q PB | |
| 3 | Avard Moncur |
BAH
|
45.43 Q | |
| 4 | Casey Vincent |
AUS
|
45.45 Q | |
| 5 | Eric Milazar |
MRI
|
45.52 | |
| 6 | Sugath Thilakaratne |
SRI
|
45.54 | |
| 7 | David Canal |
ESP
|
45.54 | |
| 8 | Arnaud Malherbe |
RSA
|
45.59 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Davian Clarke |
JAM
|
45.06 Q SB | |
| 2 | Hamdan Odha Al-Bishi |
KSA
|
45.35 Q | |
| 3 | Danny McFarlane |
JAM
|
45.40 Q | |
| 4 | Ibrahima Wade |
FRA
|
45.61 | |
| 5 | Davis Kamoga |
UGA
|
45.74 SB | |
| 6 | David Kirui |
KEN
|
46.00 | |
| 7 | Jun Osakada |
JPN
|
46.15 | |
| Antonio Pettigrew |
USA
|
DQ |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Alvin Harrison |
USA
|
44.25 Q | |
| 2 | Gregory Haughton |
JAM
|
45.08 Q | |
| 3 | Alessandro Attene |
ITA
|
45.35 Q PB | |
| 4 | Patrick Dwyer |
AUS
|
45.38 Q | |
| 5 | Dmitriy Golovastov |
RUS
|
45.66 | |
| 6 | Chris Brown |
BAH
|
45.76 | |
| 7 | Sofiane Labidi |
TUN
|
46.01 | |
| 8 | Jude Monye |
NGR
|
46.32 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Robert Mackowiak |
POL
|
45.01 Q PB | |
| 2 | Hendrick Mokganyetsi |
RSA
|
45.15 Q | |
| 3 | Daniel Caines |
GBR
|
45.37 Q PB | |
| 4 | Sanderlei Parrela |
BRA
|
45.55 Q | |
| 5 | Marc Raquil |
FRA
|
45.56 | |
| 6 | Alejandro Manuel Cárdenas |
MEX
|
45.66 | |
| 7 | Sunday Bada |
NGR
|
45.83 | |
| 8 | Ibrahim Ismail Muftah |
QAT
|
45.96 |