| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 411 | Andrew Howe |  ITA | 20.72 Q NJR | 0.156 | 
| 2 | 125 | Hank Palmer |  CAN | 20.81 Q PB | 0.147 | 
| 3 | 156 | Daniel Grueso |  COL | 21.07 q | 0.180 | 
| 4 | 231 | Visa Hongisto |  FIN | 21.23 PB | 0.144 | 
| 5 | 312 | Florian Rentz |  GER | 21.29 | 0.160 | 
| 6 | 120 | Jared Connaughton |  CAN | 21.42 PB | 0.144 | 
| 7 | 113 | Yordan Ilinov |  BUL | 21.51 | 0.233 | 
| 8 | 596 | Graeme Read |  NZL | 21.63 | 0.177 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 685 | Leigh Julius |  RSA | 20.84 Q | 0.150 | 
| 2 | 819 | Jamil James |  TTO | 20.97 Q PB | 0.154 | 
| 3 | 818 | Marcus Duncan |  TTO | 21.23 | 0.167 | 
| 4 | 430 | Nesta CARTER |  JAM | 21.24 | 0.187 | 
| 5 | 448 | Hiroyuki Noda |  JPN | 21.24 SB | 0.146 | 
| 6 | 108 | Mohamed Sanad Al-Rasheedi |  BRN | 21.34 SB | 0.319 | 
| 7 | 898 | Marcus Pugh |  USA | 21.61 | 0.144 | 
| 8 | 917 | José Acevedo |  VEN | 21.66 | 0.168 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 287 | Julian Thomas |  GBR | 20.86 Q PB | 0.149 | 
| 2 | 281 | Rikki Fifton |  GBR | 20.90 Q PB | 0.147 | 
| 3 | 340 | Samuel Adade |  GHA | 21.07 q PB | 0.163 | 
| 4 | 725 | Ivan Teplykh |  RUS | 21.12 PB | 0.157 | 
| 5 | 254 | Martial Mbandjock |  FRA | 21.28 | 0.162 | 
| 6 | 52 | Jacobi Mitchell |  BAH | 21.41 SB | 0.139 | 
| 7 | 711 | Anton Korobets |  RUS | 21.57 | 0.145 | 
| 888 | Carey LaCour |  USA | DNF | 0.150 |