| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 589 | Olha Myhaylychenko |  UKR | 54.74 Q | 0.182 | 
| 2 | 328 | Ruriko Kubo |  JPN | 55.27 Q | 0.261 | 
| 3 | 459 | Tina Polak Matusinska |  POL | 56.04 q PB | 0.228 | 
| 4 | 573 | Janeil Bellille |  TTO | 56.78 | 0.198 | 
| 5 | 586 | Evaline Amucu |  UGA | 58.11 SB | 0.192 | 
| 6 | 465 | Genoiska Cancel |  PUR | 59.23 | 0.197 | 
| 7 | 174 | Erika Chávez |  ECU | 1:00.58 | 0.221 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 595 | Brandi Cross |  USA | 53.76 Q | 0.179 | 
| 2 | 52 | Jaimee-Lee Starr |  AUS | 55.99 Q SB | 0.164 | 
| 3 | 462 | Joana Frias |  POR | 56.58 | 0.282 | 
| 4 | 276 | Kitti Zircher |  HUN | 57.02 | 0.195 | 
| 5 | 181 | Sandra Álava |  ESP | 57.38 | 0.377 | 
| 6 | 106 | Melissa BISHOP-NRIAGU |  CAN | 58.08 SB | 0.202 | 
| 7 | 416 | Sarahjane Gujadhur |  MRI | 58.74 | 0.203 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 521 | Anna Verkhovskaya |  RUS | 55.33 Q | 0.181 | 
| 2 | 310 | Shakeeri Cole |  JAM | 55.62 Q | 0.201 | 
| 3 | 391 | Siham Noussail |  MAR | 56.57 PB | 0.222 | 
| 4 | 530 | Aleksandra Pavlovic |  SCG | 57.58 | 0.216 | 
| 5 | 431 | Morgan Coulton |  NZL | 58.79 | 0.158 | 
| 6 | 470 | Zuleica Torres |  PUR | 58.90 | 0.207 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 159 | Aymeé Martínez |  CUB | 53.43 Q | 0.337 | 
| 2 | 146 | Maria Alejandra Idrobo |  COL | 54.55 Q PB | 0.151 | 
| 3 | 110 | Deanna Sullivan |  CAN | 55.54 q PB | 0.195 | 
| 4 | 544 | Anja Puc |  SLO | 55.96 q PB | 0.211 | 
| 5 | 495 | Phillipa Anne Kirschner |  RSA | 58.02 | 0.187 | 
| 6 | 373 | Hajar Aït Assou |  MAR | 58.64 | 0.181 | 
| 7 | 84 | Benjamine Padonou |  BEN | 1:01.82 | 0.187 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 549 | Nawal El Jack |  SUD | 52.22 Q WYL | 0.207 | 
| 2 | 153 | Danijela Grgic |  CRO | 54.83 Q | 0.276 | 
| 3 | 503 | Eugenie Wicksell |  RSA | 56.00 q | 0.187 | 
| 4 | 448 | Toea Wisil |  PNG | 57.55 | 0.160 | 
| 5 | 527 | Kristina Jevtic |  SCG | 57.69 | 0.185 | 
| 6 | 371 | Hanitrasoa Olga Razanamalala |  MAD | 58.20 | 0.203 | 
| 7 | 413 | Munguntuya Batgerel |  MGL | 59.40 | 0.189 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 317 | Bobby-Gaye Wilkins-Gooden |  JAM | 54.78 Q | 0.168 | 
| 2 | 520 | Nadezda Sozontova |  RUS | 54.97 Q | 0.207 | 
| 3 | 598 | Elan Hilaire |  USA | 56.92 PB | 0.181 | 
| 4 | 563 | Olga Gerasimova |  TJK | 57.99 | 0.258 | 
| 5 | 402 | Alejandra Cherizola |  MEX | 58.40 | 0.160 | 
| 6 | 189 | Andrea Díez |  ESP | 58.59 | 0.154 | 
| 7 | 433 | Gemma Hamlin |  NZL | 59.86 | 0.296 |