| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 104 | Cydonie Mothersille |  CAY | 23.72 Q | 0.245 | 
| 2 | 784 | LaTasha Colander |  USA | 23.89 Q | 0.254 | 
| 3 | 367 | LaVerne Jones-Ferrette |  ISV | 24.12 Q | 0.163 | 
| 4 | 10 | Lauren Hewitt |  AUS | 24.20 | 0.156 | 
| 5 | 397 | Sheri-Ann Brooks |  JAM | 24.20 | 0.174 | 
| 6 | 619 | Yelena Bolsun |  RUS | 24.30 | 0.141 | 
| 7 | 16 | Karin Mayr-Krifka |  AUT | 24.61 | 0.180 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 630 | Yuliya Gushchina |  RUS | 22.53 Q PB | 0.149 | 
| 2 | 789 | Allyson FELIX |  USA | 22.68 Q | 0.178 | 
| 3 | 32 | Kim Gevaert |  BEL | 22.78 Q | 0.149 | 
| 4 | 41 | Natallia Solohub |  BLR | 23.16 q | 0.167 | 
| 5 | 750 | Maryna Maydanova |  UKR | 23.31 q | 0.189 | 
| 6 | 142 | Tracy Joseph Hamblet |  CRC | 24.84 PB | 0.152 | 
| 7 | 289 | Gertrudis Luna |  GEQ | 26.28 NR | 0.232 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 38 | Fabienne Féraez |  BEN | 23.72 Q | 0.264 | 
| 2 | 637 | Irina Khabarova |  RUS | 23.78 Q | 0.161 | 
| 3 | 779 | Rachelle Boone-Smith |  USA | 23.78 Q | 0.151 | 
| 4 | 18 | Christine Amertil |  BAH | 23.88 | 0.190 | 
| 5 | 316 | Vida Anim |  GHA | 24.16 | 0.161 | 
| 6 | 545 | Mae Koime |  PNG | 25.31 | 0.218 | 
| 7 | 719 | Gcinile Moyane |  SWZ | 27.79 SB | 0.293 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 236 | Christine Arron |  FRA | 22.89 Q | 0.193 | 
| 2 | 398 | Veronica CAMPBELL-BROWN |  JAM | 23.28 Q | 0.154 | 
| 3 | 65 | Lucimar Aparecida de Moura |  BRA | 23.36 Q | 0.142 | 
| 4 | 609 | Geraldine Pillay |  RSA | 23.58 q | 0.173 | 
| 5 | 688 | Alenka Bikar |  SLO | 23.77 q | 0.168 | 
| 6 | 525 | Mercy Nku |  NGR | 23.99 | 0.146 |