Aaron Brown (USC) placed second in heat 6 in 10.03 Q.
 | POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | ||
|---|---|---|---|---|---|---|---|---|
 | 1 | 1017 | Justin Gatlin |  USA | 9.83 Q | 0.149 | ||
| 2 | 303 | Aaron Brown |  CAN | 10.03 Q | 0.132 | ||
| 3 | 837 | Henricho Bruintjies |  RSA | 10.07 Q | 0.147 | ||
| 4 | 598 | Hassan Taftian |  IRI | 10.10 q | 0.143 | ||
| 5 | 895 | Kim Collins |  SKN | 10.16 | 0.162 | ||
| 6 | 740 | Aziz Ouhadi |  MAR | 10.22 | 0.147 | ||
| 7 | 819 | Yazaldes Nascimento |  POR | 10.29 | 0.142 | ||
| 8 | 323 | Mahamat Goubaye Youssouf |  CHA | 10.92 | 0.227 | ||