| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 976 | Kerron Clement |
USA
|
48.98 Q | 0.295 |
| 2 | 507 | Danny McFarlane |
JAM
|
49.37 Q | 0.188 |
| 3 | 779 | Pieter de Villiers |
RSA
|
49.81 Q | 0.138 |
| 4 | 179 | Yacnier Luis |
CUB
|
49.96 Q | 0.220 |
| 5 | 375 | Christian Duma |
GER
|
50.04 q | 0.152 |
| 6 | 653 | Ibrahim Maïga |
MLI
|
50.62 | 0.195 |
| 7 | 656 | Kurt Couto |
MOZ
|
52.04 | 0.219 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 511 | Kemel Thompson |
JAM
|
49.33 Q | 0.162 |
| 2 | 324 | Naman Keïta |
FRA
|
49.58 Q | 0.216 |
| 3 | 462 | Gianni Carabelli |
ITA
|
49.87 Q | 0.184 |
| 4 | 531 | Kenji Narisako |
JPN
|
49.87 Q | 0.181 |
| 5 | 292 | Ari-Pekka Lattu |
FIN
|
50.23 q | 0.230 |
| 6 | 884 | Mikael Jakobsson |
SWE
|
50.35 | 0.150 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 995 | Bershawn Jackson |
USA
|
49.34 Q | 0.154 |
| 2 | 207 | Felix Sánchez |
DOM
|
49.47 Q | 0.150 |
| 3 | 551 | Yevgeniy Meleshenko |
KAZ
|
49.67 Q | 0.133 |
| 4 | 783 | Llewellyn Herbert |
RSA
|
49.98 Q | 0.136 |
| 5 | 177 | Sergio Hierrezuelo |
CUB
|
50.13 q | 0.265 |
| 6 | 248 | Eduardo Iván Rodríguez |
ESP
|
50.22 q | 0.160 |
| 7 | 574 | Aleksey Pogorelov |
KGZ
|
53.44 | 0.172 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 413 | Periklís Iakovákis |
GRE
|
49.22 Q | 0.190 |
| 2 | 798 | L.J. van Zyl |
RSA
|
49.35 Q | 0.187 |
| 3 | 357 | Rhys Williams |
GBR
|
49.73 Q | 0.210 |
| 4 | 496 | Dean Griffiths |
JAM
|
49.79 Q | 0.198 |
| 5 | 606 | O'Neil Wright |
LBR
|
50.90 NR | 0.146 |
| 192 | Jirí Mužík |
CZE
|
DQ | 0.375 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 973 | James Carter |
USA
|
49.05 Q | 0.142 |
| 2 | 545 | Dai Tamesue |
JPN
|
49.17 Q | 0.163 |
| 3 | 708 | Bayano Kamani |
PAN
|
49.18 Q | 0.147 |
| 4 | 588 | Hadi Soua'an Al-Somaily |
KSA
|
49.70 Q | 0.134 |
| 5 | 433 | Ákos Dezsö |
HUN
|
51.36 | 0.167 |
| 6 | 907 | 'Aleki Toetu'u Sapoi |
TGA
|
56.06 | 0.288 |
| 750 | Edivaldo Monteiro |
POR
|
DNF | 0.134 |