| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 570 | Sanya Richards-Ross |  USA | 23.33 Q | 0.193 | 
| 2 | 305 | Nickesha Anderson |  JAM | 23.52 Q | 0.192 | 
| 3 | 75 | Ashley Purnell |  CAN | 23.80 q | 0.135 | 
| 4 | 279 | Nikolett Listár |  HUN | 24.10 | 0.137 | 
| 5 | 457 | Yuliya Gushchina |  RUS | 24.12 | 0.174 | 
| 6 | 490 | Tiandra Ponteen |  SKN | 24.67 | 0.163 | 
| 7 | 288 | Claire Bergin |  IRL | 24.97 | 0.174 | 
| 8 | 182 | Virginie Michanol |  FRA | 25.35 | 0.167 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 204 | Vernicha James |  GBR | 23.07 Q | 0.179 | 
| 2 | 554 | Allyson FELIX |  USA | 23.73 Q | 0.190 | 
| 3 | 404 | April Brough |  NZL | 24.09 | 0.166 | 
| 4 | 225 | Johanna Kedzierski |  GER | 24.31 | 0.174 | 
| 5 | 71 | Petya Borisova |  BUL | 24.48 | 0.179 | 
| 6 | 176 | Phara Anacharsis |  FRA | 24.68 | 0.216 | 
| 7 | 169 | Elina Korjansalo |  FIN | 24.97 | 0.175 | 
| 43 | Lyn Marie Cox |  BAR | DNS | 0.000 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 312 | Anneisha McLaughlin-Whilby |  JAM | 23.39 Q | 0.197 | 
| 2 | 296 | Vincenza Calì |  ITA | 23.42 Q | 0.184 | 
| 3 | 205 | Amy Spencer |  GBR | 23.65 q | 0.150 | 
| 4 | 70 | Yuliyana Belcheva |  BUL | 24.15 | 0.160 | 
| 5 | 400 | Ann Cathrine Bakken |  NOR | 24.28 | 0.171 | 
| 6 | 167 | Carla Bosco |  FIN | 24.29 | 0.160 | 
| 7 | 224 | Marie-Janina Schwidde |  GER | 24.67 | 0.166 | 
| 8 | 518 | Jenny Ljunggren |  SWE | 24.74 | 0.166 |