| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Usain BOLT |  JAM | 9.85 Q | 0.161 | 
| 2 | Walter Dix |  USA | 9.95 Q SB | 0.143 | 
| 3 | Marc Burns |  TTO | 9.97 Q =SB | 0.124 | 
| 4 | Michael FRATER |  JAM | 10.01 Q | 0.163 | 
| 5 | Kim COLLINS |  SKN | 10.05 SB | 0.163 | 
| 6 | Derrick Atkins |  BAH | 10.13 | 0.159 | 
| 7 | Tyrone Edgar |  GBR | 10.18 | 0.143 | 
| Samuel Francis |  QAT | DQ | 0.146 | 
| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Asafa POWELL |  JAM | 9.91 Q | 0.161 | 
| 2 | Richard THOMPSON |  TTO | 9.93 Q =PB | 0.175 | 
| 3 | Churandy MARTINA |  AHO | 9.94 Q NR | 0.138 | 
| 4 | Darvis PATTON |  USA | 10.03 Q | 0.149 | 
| 5 | Tyson GAY |  USA | 10.05 | 0.145 | 
| 6 | Francis Obikwelu |  POR | 10.10 | 0.157 | 
| 7 | Naoki Tsukahara |  JPN | 10.16 SB | 0.143 | 
| 8 | Martial Mbandjock |  FRA | 10.18 | 0.148 |