| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Harry Reynolds |
USA
|
44.63 Q | |
| 2 | Abednego Matilu |
KEN
|
44.97 Q | |
| 3 | Roger Black |
GBR
|
45.01 Q | |
| 4 | Jude Monye |
NGR
|
45.16 Q | |
| 5 | Francis Ogola |
UGA
|
45.64 | |
| 6 | Troy McIntosh |
BAH
|
45.72 | |
| 7 | Arnaud Malherbe |
RSA
|
46.12 | |
| 8 | Hachim Ndiaye |
SEN
|
46.96 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Darnell Hall |
USA
|
45.09 Q | |
| 2 | Gregory Haughton |
JAM
|
45.12 Q | |
| 3 | Ibrahim Ismail Muftah |
QAT
|
45.31 Q | |
| 4 | Davis Kamoga |
UGA
|
45.50 Q | |
| 5 | Inaldo Justino Sena |
BRA
|
45.71 | |
| 6 | Jorge L. Crusellas |
CUB
|
46.09 | |
| 7 | Adrian Patrick |
GBR
|
46.27 | |
| 8 | Eswort Coombs |
VIN
|
47.15 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Samson Kitur |
KEN
|
45.25 Q | |
| 2 | Mark Richardson |
GBR
|
45.30 Q | |
| 3 | Mathias Rusterholz |
SUI
|
45.54 Q | |
| 4 | Danny McFarlane |
JAM
|
45.79 Q | |
| 5 | Andrea Nuti |
ITA
|
45.89 | |
| 6 | Pierre-Marie Hilaire |
FRA
|
46.01 | |
| 7 | Ju-il Shon |
KOR
|
46.31 | |
| 8 | Paul Greene |
AUS
|
46.36 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Michael Johnson |
USA
|
45.15 Q | |
| 2 | Sunday Bada |
NGR
|
45.29 Q | |
| 3 | Norberto Téllez |
CUB
|
45.68 Q | |
| 4 | Davian Clarke |
JAM
|
45.69 Q | |
| 5 | Bobang Phiri |
RSA
|
45.94 | |
| 6 | Kennedy Ochieng |
KEN
|
46.15 | |
| 7 | Michael Joubert |
AUS
|
46.61 | |
| 8 | Amar Hecini |
ALG
|
46.64 |