| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2004 | 
|---|---|---|---|---|---|
| 1 | 726 | Aleksandr Tishkin |  RUS | 51.69 | 51.69 | 
| 2 | 696 | L.J. van Zyl |  RSA | 48.89 | 49.71 | 
| 3 | 428 | Markino Buckley |  JAM | 52.21 | |
| 4 | 65 | Michaël Bultheel |  BEL | 52.53 | 52.53 | 
| 5 | 810 | Cheng-Kang Chung |  TPE | 52.56 | 52.56 | 
| 6 | 168 | Yasser Lismet |  CUB | 49.72 | 49.72 | 
| 7 | 452 | Teppei Suzuki |  JPN | 50.30 | |
| 8 | 407 | Nicola Cascella |  ITA | 51.68 | 51.68 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2004 | 
|---|---|---|---|---|---|
| 1 | 245 | Fadil Bellaabouss |  FRA | 52.45 | 52.45 | 
| 2 | 236 | Teemu Linkosaari |  FIN | 51.85 | 51.87 | 
| 3 | 437 | Josef Robertson |  JAM | 51.33 | 51.33 | 
| 4 | 369 | Balázs Molnár |  HUN | 52.60 | 52.60 | 
| 5 | 686 | Wouter le Roux |  RSA | 49.45 | 49.45 | 
| 6 | 453 | Go Tanabe |  JPN | 51.33 | 51.43 | 
| 7 | 279 | Ryan Dinham |  GBR | 51.62 | 51.62 | 
| 8 | 496 | Ibrahim Al-Hamaidi |  KSA | 49.81 | 49.81 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2004 | 
|---|---|---|---|---|---|
| 2 | 508 | Bandar Yahya Shraheli |  KSA | 51.57 | 51.57 | 
| 3 | 742 | El Hadji Sethe Mbow |  SEN | 50.78 | 50.78 | 
| 4 | 868 | Kerron Clement |  USA | 48.77 | 48.77 | 
| 5 | 278 | Richard Davenport |  GBR | 51.11 | 51.11 | 
| 6 | 261 | Florent Joulain |  FRA | 52.24 | 52.24 | 
| 7 | 830 | Tuncay Örs |  TUR | 52.68 | 52.68 | 
| 8 | 814 | Hao-Yi Wang |  TPE | 52.64 | 52.64 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2004 | 
|---|---|---|---|---|---|
| 1 | 160 | Milan Kotur |  CRO | 52.83 | 52.83 | 
| 2 | 646 | Ricardo Lima |  POR | 51.59 | |
| 3 | 743 | Seleke Samake |  SEN | 52.33 | 52.33 | 
| 4 | 919 | VÃctor Solarte |  VEN | 51.14 | 51.14 | 
| 5 | 884 | Brandon Johnson |  USA | 48.85 | 48.85 | 
| 6 | 401 | Yuriy Pelles |  ISR | 52.12 | 52.12 | 
| 7 | 648 | Manuel Garcia |  PUR | 52.62 | 52.62 | 
| 8 | 93 | Diego Venâncio |  BRA | 50.39 | 50.39 |