| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 |
|---|---|---|---|---|---|
| 1 | 307 | Go Tanabe |
JPN
|
51.81 | 51.81 |
| 2 | 466 | Johann Hanekom |
RSA
|
51.86 | 51.86 |
| 3 | 304 | Yuki Iwataki |
JPN
|
52.36 | 52.36 |
| 4 | 585 | Jason Richardson |
USA
|
50.95 | 50.95 |
| 5 | 450 | Milton Dias |
POR
|
52.12 | 52.12 |
| 6 | 468 | Wouter le Roux |
RSA
|
51.33 | 51.33 |
| 7 | 348 | Bandar Yahya Shraheli |
KSA
|
52.64 | 52.64 |
| 8 | 561 | Jamaal Charles |
USA
|
52.36 | 52.36 |