| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 159 | Aymeé Martínez |  CUB | 23.52 Q PB | 0.179 | 
| 2 | 95 | Josiane Valentim |  BRA | 24.10 Q PB | 0.223 | 
| 3 | 497 | Nombulelo Constance Mkenku |  RSA | 24.10 PB | 0.237 | 
| 4 | 252 | Julia Sutschet |  GER | 24.11 | 0.152 | 
| 5 | 227 | Joey Duck |  GBR | 24.14 | 0.166 | 
| 6 | 47 | Anika Jno-Baptiste |  ANT | 24.16 | 0.141 | 
| 7 | 615 | Racheal Nachula |  ZAM | 24.79 | 0.237 | 
| 453 | Agata Jankowska |  POL | DNF | 0.205 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 593 | Khrystal Carter |  USA | 23.65 Q PB | 0.166 | 
| 2 | 312 | LaToya King |  JAM | 23.74 Q | 0.209 | 
| 3 | 53 | Olivia Tauro |  AUS | 23.90 q PB | 0.131 | 
| 4 | 576 | Cadajah Spencer |  TTO | 24.18 | 0.153 | 
| 5 | 499 | Wenda NEL |  RSA | 24.33 | 0.170 | 
| 6 | 110 | Deanna Sullivan |  CAN | 24.84 | 0.172 | 
| 7 | 324 | Chisato Fukushima |  JPN | 24.87 | 0.137 | 
| 8 | 75 | Nivea Smith |  BAH | 25.47 | 0.188 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 601 | Bianca Knight |  USA | 23.37 Q | 0.171 | 
| 2 | 96 | Vanda Gomes |  BRA | 23.92 Q | 0.170 | 
| 3 | 460 | Marika POPOWICZ-DRAPAŁA |  POL | 23.94 q | 0.169 | 
| 4 | 111 | Kimberly Hyacinthe |  CAN | 24.04 | 0.189 | 
| 5 | 55 | Megan Hill |  AUS | 24.24 | 0.159 | 
| 6 | 575 | Semoy HACKETT |  TTO | 24.26 | 0.157 | 
| 7 | 543 | Maja MIHALINEC ZIDAR |  SLO | 24.62 | 0.181 | 
| 8 | 522 | Irina Skvortsova |  RUS | 24.63 | 0.247 |