| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 441 | David GREENE |
GBR
|
48.52 Q | 0.152 |
| 2 | 882 | Cornel Fredericks |
RSA
|
48.52 Q | 0.151 |
| 3 | 479 | Georg Fleischhauer |
GER
|
48.72 Q PB | 0.176 |
| 4 | 954 | Emir Bekric |
SRB
|
49.67 Q | 0.199 |
| 5 | 277 | Omar Cisneros |
CUB
|
49.69 q | 0.195 |
| 6 | 203 | Mahau SUGUIMATI |
BRA
|
49.74 q | 0.198 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 900 | L.J. van Zyl |
RSA
|
48.58 Q | 0.198 |
| 2 | 599 | Isa Phillips |
JAM
|
48.64 Q SB | 0.228 |
| 3 | 306 | Felix Sánchez |
DOM
|
48.74 Q SB | 0.204 |
| 4 | 1070 | Kerron Clement |
USA
|
48.91 Q | 0.173 |
| 5 | 657 | Vincent Kiplangat Kosgei |
KEN
|
49.49 q SB | 0.507 |
| 6 | 859 | Jorge Paula |
POR
|
49.82 | 0.260 |
| 7 | 868 | Jamele Mason |
PUR
|
49.98 | 0.181 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 865 | Javier Culson |
PUR
|
48.95 Q | 0.198 |
| 2 | 1126 | Angelo Taylor |
USA
|
49.38 Q | 0.189 |
| 3 | 906 | Aleksandr Derevyagin |
RUS
|
49.43 Q SB | 0.175 |
| 4 | 1058 | Andrés Silva |
URU
|
49.48 Q | 0.283 |
| 5 | 621 | Takayuki KISHIMOTO |
JPN
|
49.51 q | 0.155 |
| 6 | 243 | Zhilong Li |
CHN
|
50.44 | 0.190 |
| 7 | 692 | Seung-yoon Lee |
KOR
|
52.98 | 0.199 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1087 | Bershawn Jackson |
USA
|
49.82 Q | 0.178 |
| 2 | 1010 | Jehue Gordon |
TTO
|
49.90 Q | 0.193 |
| 3 | 603 | Josef Robertson |
JAM
|
50.29 Q | 0.214 |
| 4 | 440 | Jack Green |
GBR
|
50.39 Q | 0.199 |
| 5 | 236 | Wen Cheng |
CHN
|
50.51 | 0.307 |
| 6 | 182 | Kenneth Medwood |
BIZ
|
51.19 | 0.183 |
| 7 | 610 | Takatoshi ABE |
JPN
|
51.90 | 0.196 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1059 | Jeshua Anderson |
USA
|
48.81 Q | 0.172 |
| 2 | 465 | Nathan Woodward |
GBR
|
49.06 Q | 0.201 |
| 3 | 1051 | Stanislav Melnykov |
UKR
|
49.24 Q SB | 0.185 |
| 4 | 595 | Leford Green |
JAM
|
49.45 Q | 0.331 |
| 5 | 773 | Kurt Couto |
MOZ
|
49.86 | 0.224 |
| 6 | 616 | Yuta Imazeki |
JPN
|
50.92 | 0.226 |
| 7 | 774 | Jean Antonio Vieillesse |
MRI
|
51.02 | 0.154 |