| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2011 | 
|---|---|---|---|---|---|
| 1 | 874 | Femi OGUNODE |  QAT | 45.12 | 45.41 | 
| 2 | 524 | Rondell Bartholomew |  GRN | 44.65 | 44.65 | 
| 3 | 594 | Jermaine Gonzales |  JAM | 44.40 | 44.69 | 
| 4 | 1099 | LaShawn Merritt |  USA | 43.75 | 44.35 | 
| 5 | 525 | Kirani JAMES |  GRN | 44.61 | 44.61 | 
| 6 | 171 | Kévin BORLÉE |  BEL | 44.74 | 44.74 | 
| 7 | 565 | Tabarie Henry |  ISV | 44.77 | 44.83 | 
| 8 | 170 | Jonathan BORLÉE |  BEL | 44.71 | 44.97 |