| Order / Lane | ATHLETE | COUNTRY | PB | SB 2004 |
|---|---|---|---|---|
| 1 | Alwyn Myburgh |
RSA
|
48.09 | 48.21 |
| 2 | Bayano Kamani |
PAN
|
48.23 | 48.23 |
| 3 | Marek Plawgo |
POL
|
48.16 | 48.16 |
| 4 | James Carter |
USA
|
47.57 | 47.68 |
| 5 | Danny McFarlane |
JAM
|
48.00 | 48.00 |
| 6 | Felix Sánchez |
DOM
|
47.25 | 47.86 |
| 7 | Naman Keïta |
FRA
|
48.17 | 48.17 |
| 8 | Bennie Brazell |
USA
|
48.05 | 48.05 |