| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2005 |
|---|---|---|---|---|---|
| 1 | 6 | Kemel Thompson |
JAM
|
48.05 | 48.14 |
| 2 | 8 | Gianni Carabelli |
ITA
|
48.84 | 48.84 |
| 3 | 3 | Bayano Kamani |
PAN
|
47.84 | 47.84 |
| 4 | 1 | Bershawn Jackson |
USA
|
47.30 | 47.30 |
| 5 | 2 | James Carter |
USA
|
47.43 | 47.43 |
| 6 | 4 | Naman Keïta |
FRA
|
48.17 | 48.27 |
| 7 | 7 | Ian Weakley |
JAM
|
48.55 | 48.58 |
| 8 | 5 | L.J. van Zyl |
RSA
|
48.16 | 48.16 |