| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2001 | 
|---|---|---|---|---|---|
| 1 | 703 | Hadi Soua'an Al-Somaily |  KSA | 47.53 | 48.34 | 
| 2 | 968 | Boris Gorban |  RUS | 48.50 | 48.50 | 
| 3 | 645 | Dai Tamesue |  JPN | 48.10 | 48.10 | 
| 4 | 601 | Fabrizio Mori |  ITA | 47.72 | 48.30 | 
| 5 | 277 | Felix Sánchez |  DOM | 47.95 | 47.95 | 
| 6 | 442 | Christopher Rawlinson |  GBR | 48.14 | 48.27 | 
| 7 | 887 | Pawel Januszewski |  POL | 48.17 | 48.40 | 
| 8 | 253 | Jirà MužÃk |  CZE | 48.27 | 48.53 |