| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 2 | 781 | Dai Tamesue |  JPN | 47.89 | 48.94 | 
| 3 | 1435 | Eric Thomas |  USA | 47.94 | 48.46 | 
| 4 | 604 | PeriklÃs Iakovákis |  GRE | 48.25 | 48.25 | 
| 5 | 122 | Michael Aguilar |  BIZ | 51.55 | 51.55 | 
| 6 | 446 | Ari-Pekka Lattu |  FIN | 49.36 | 49.36 | 
| 7 | 462 | Stéphane Diagana |  FRA | 47.37 | 48.68 | 
| 8 | 209 | Adam Kunkel |  CAN | 49.49 | 49.49 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 1 | 1103 | Edivaldo Monteiro |  POR | 49.36 | 49.36 | 
| 2 | 527 | Christopher Rawlinson |  GBR | 48.14 | 48.44 | 
| 3 | 1447 | Joey Woody |  USA | 47.97 | 48.42 | 
| 4 | 1117 | Mubarak Faraj Al-Nubi |  QAT | 48.17 | |
| 5 | 476 | Naman Keïta |  FRA | 48.86 | 48.86 | 
| 6 | 1169 | Boris Gorban |  RUS | 48.50 | 48.93 | 
| 7 | 405 | Eduardo Iván RodrÃguez |  ESP | 49.27 | 49.39 | 
| 8 | 1327 | Tien-Wen Chen |  TPE | 48.63 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 2 | 847 | Hadi Soua'an Al-Somaily |  KSA | 47.53 | 49.09 | 
| 3 | 1147 | Alwyn Myburgh |  RSA | 48.09 | 48.61 | 
| 4 | 333 | Jirà MužÃk |  CZE | 48.27 | 48.63 | 
| 5 | 1282 | Mikael Jakobsson |  SWE | 49.38 | 49.86 | 
| 6 | 744 | Kemel Thompson |  JAM | 48.05 | 48.05 | 
| 7 | 308 | Yacnier Luis |  CUB | 49.22 | 49.71 | 
| 8 | 510 | Anthony Borsumato |  GBR | 48.90 | 49.12 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 2 | 1266 | Cédric El-Idrissi |  SUI | 49.10 | 49.10 | 
| 3 | 1138 | Ockert Cilliers |  RSA | 48.61 | 48.61 | 
| 4 | 360 | Felix Sánchez |  DOM | 47.35 | 47.80 | 
| 5 | 1060 | Bayano Kamani |  PAN | 48.43 | 49.82 | 
| 6 | 730 | Dean Griffiths |  JAM | 48.55 | 48.55 | 
| 7 | 486 | Sébastien Maillard |  FRA | 49.10 | 49.10 | 
| 8 | 784 | Ken Yoshizawa |  JPN | 48.98 | 49.79 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 2 | 337 | Stepan Tesarik |  CZE | 49.09 | 49.09 | 
| 3 | 741 | Danny McFarlane |  JAM | 48.65 | 48.65 | 
| 4 | 792 | Yevgeniy Meleshenko |  KAZ | 48.46 | 49.62 | 
| 5 | 1019 | Victor Okorie |  NGR | 49.19 | 49.19 | 
| 6 | 1142 | Llewellyn Herbert |  RSA | 47.81 | 48.50 | 
| 7 | 951 | Ibrahim Maïga |  MLI | 50.66 | 50.66 | 
| 8 | 1405 | Bershawn Jackson |  USA | 48.23 | 48.23 |