| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2169 | Yohan BLAKE |  JAM | 20.01 Q | 0.176 | 
| 2 | 3253 | Wallace Spearmon |  USA | 20.02 Q | 0.174 | 
| 3 | 1759 | Christophe LEMAITRE |  FRA | 20.03 q | 0.158 | 
| 4 | 2598 | Jaysuma SAIDY NDURE |  NOR | 20.42 | 0.157 | 
| 5 | 1987 | Likoúrgos-Stéfanos Tsákonas |  GRE | 20.52 =PB | 0.125 | 
| 6 | 1224 | Bruno de Barros |  BRA | 20.55 | 0.159 | 
| 7 | 1284 | Jared Connaughton |  CAN | 20.64 | 0.145 | 
| 8 | 2237 | Kei Takase |  JPN | 20.70 | 0.175 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2170 | Usain BOLT |  JAM | 20.18 Q | 0.192 | 
| 2 | 2783 | Anaso JOBODWANA |  RSA | 20.27 Q PB | 0.170 | 
| 3 | 1576 | Alex QUIÑÓNEZ |  ECU | 20.37 q | 0.193 | 
| 4 | 1283 | Aaron BROWN |  CAN | 20.42 PB | 0.183 | 
| 5 | 1220 | Aldemir JUNIOR |  BRA | 20.63 | 0.164 | 
| 6 | 2654 | Kamil Krynski |  POL | 20.83 | 0.179 | 
| 7 | 2973 | Alex WILSON |  SUI | 20.85 | 0.140 | 
| 8 | 3264 | Isiah YOUNG |  USA | 20.89 | 0.190 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2547 | Churandy MARTINA |  NED | 20.17 Q | 0.148 | 
| 2 | 2191 | Warren Weir |  JAM | 20.28 Q | 0.186 | 
| 3 | 1820 | Christian Malcolm |  GBR | 20.51 | 0.157 | 
| 4 | 3240 | Maurice Mitchell |  USA | 20.56 | 0.178 | 
| 5 | 1017 | Brendan Christian |  ANT | 20.58 SB | 0.168 | 
| 6 | 2236 | Shinji Takahira |  JPN | 20.77 | 0.190 | 
| 2919 | Antoine Adams |  SKN | DQ | 0.170 | |
| 1104 | Michael Mathieu |  BAH | DQ |