| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 725 | William Wynne |
USA
|
49.01 WY | 0.163 |
| 2 | 724 | Reginald Wyatt |
USA
|
50.33 PB | 0.196 |
| 3 | 132 | Amaurys R. Valle |
CUB
|
50.37 PB | 0.155 |
| 4 | 40 | Nathan Arnett |
BAH
|
50.89 PB | 0.195 |
| 5 | 559 | Cornel Fredericks |
RSA
|
51.04 | 0.137 |
| 6 | 410 | Hamada Al-Bishi |
KSA
|
51.64 PB | 0.172 |
| 7 | 402 | Julius Rotich Oletygor |
KEN
|
51.79 | 0.191 |
| 8 | 553 | PC Beneke |
RSA
|
51.93 | 0.141 |