| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Atia Weekes |  CAN | 23.45 Q | 0.014 | 
| 2 | Funmilola Ogundana |  NGR | 23.56 Q | 0.015 | 
| 3 | Myra Combs |  USA | 23.59 Q | 0.018 | 
| 4 | Ólga Kaidantzí |  GRE | 24.02 Q NR | 0.016 | 
| 5 | Olga Nikitenko |  KAZ | 24.28 | 0.013 | 
| 6 | Lucy-Ann Richards |  BAR | 24.44 | 0.024 | 
| 7 | Hazel Regis-Buckels |  GRN | 24.56 | 0.014 | 
| 8 | Paula Osorio |  CHI | 24.65 | 0.014 | 
| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Sarah Wilhelmy |  GBR | 23.69 Q | 0.013 | 
| 2 | Petronella Árva |  HUN | 23.81 Q | 0.016 | 
| 3 | Anna Guzowska |  POL | 23.85 Q PB | 0.016 | 
| 4 | Nadia Imalouan |  FRA | 23.91 Q | 0.021 | 
| 5 | Cathleen Tschirch |  GER | 24.14 | 0.013 | 
| 6 | Emily Maher |  IRL | 24.28 | 0.013 | 
| Leticia Muta |  TAN | DNS | ||
| Fana Ashby |  TTO | DNS | 
| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Joan Uduak Ekah |  NGR | 23.50 Q | 0.013 | 
| 2 | Muriel Hurtis |  FRA | 23.52 Q | 0.016 | 
| 3 | Enikö Szabó |  HUN | 23.70 Q PB | 0.014 | 
| 4 | Jenny Kallur |  SWE | 23.80 Q PB | 0.019 | 
| 5 | Isabel Roussow |  RSA | 23.84 | 0.016 | 
| 6 | Lyubov Perepelova |  UZB | 24.36 | 0.019 | 
| 7 | Tamicka Clarke |  BAH | 24.62 | 0.019 | 
| 8 | Sonia Williams |  ANT | 24.79 | 0.018 | 
| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Shakedia Jones |  USA | 23.70 Q | 0.015 | 
| 2 | Johanna Manninen |  FIN | 23.80 Q | 0.013 | 
| 3 | Edyta Rela |  POL | 23.90 Q | 0.015 | 
| 4 | Melaine Walker |  JAM | 24.00 Q | 0.015 | 
| 5 | Xiujun Zeng |  CHN | 24.07 | 0.017 | 
| 6 | Rebecca White |  GBR | 24.40 | 0.012 | 
| 7 | Delphine Carmagnole |  MRI | 24.64 | 0.016 | 
| 8 | Ciara Sheehy |  IRL | 24.71 | 0.012 |