| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2005 |
|---|---|---|---|---|---|
| 1 | 976 | Kerron Clement |
USA
|
47.24 | 47.24 |
| 2 | 207 | Felix Sánchez |
DOM
|
47.25 | 48.24 |
| 3 | 973 | James Carter |
USA
|
47.57 | 47.78 |
| 4 | 798 | L.J. van Zyl |
RSA
|
48.16 | 48.16 |
| 5 | 708 | Bayano Kamani |
PAN
|
47.84 | 47.84 |
| 6 | 995 | Bershawn Jackson |
USA
|
47.62 | 47.62 |
| 7 | 545 | Dai Tamesue |
JPN
|
47.89 | 48.46 |
| 8 | 324 | Naman Keïta |
FRA
|
48.17 | 48.27 |