| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1171 | Krystin Lacy |  USA | 11.55 Q | 0.177 | 
| 2 | 1130 | Kelly-Ann BAPTISTE |  TTO | 11.94 Q | 0.201 | 
| 3 | 943 | Maria Aurora Salvagno |  ITA | 12.06 | 0.162 | 
| 4 | 949 | Samantha Henry-Robinson |  JAM | 12.10 | 0.187 | 
| 5 | 870 | Sinead Johnson |  GBR | 12.11 | 0.157 | 
| 6 | 1039 | Iwona Brzezinska |  POL | 12.16 | 0.161 | 
| 7 | 1018 | Juliet Bosiako |  NGR | 12.20 | 0.218 | 
| 8 | 862 | Olivia Martine Gatibelza |  FRA | 12.23 | 0.198 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 751 | Franciela Krasucki |  BRA | 11.59 Q PB | 0.153 | 
| 2 | 871 | Kadi-Ann Thomas |  GBR | 11.65 Q PB | 0.123 | 
| 3 | 1131 | Monique Cabral |  TTO | 11.78 q PB | 0.161 | 
| 4 | 1022 | Oludamola Osayomi |  NGR | 11.83 | 0.177 | 
| 5 | 801 | Darlenis Obregón |  COL | 11.95 | 0.189 | 
| 6 | 1023 | Kendal Blair |  NZL | 12.09 PB | 0.119 | 
| 7 | 942 | Claudia Pacini |  ITA | 12.10 | 0.183 | 
| 8 | 765 | Jenni Hucul |  CAN | 13.49 | 0.146 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1178 | Jessica Onyepunuka |  USA | 11.58 Q | 0.182 | 
| 2 | 946 | Sherline Duncan |  JAM | 11.67 Q | 0.166 | 
| 3 | 992 | Lina Grincikaité-Samuole |  LTU | 11.82 q | 0.151 | 
| 4 | 883 | Ann-Kathrin Fischer |  GER | 11.93 | 0.170 | 
| 5 | 733 | Tamara Rigby |  BAH | 12.09 | 0.170 | 
| 6 | 802 | Yomara Hinestroza |  COL | 12.13 | 0.169 | 
| 7 | 768 | Teneshia Peart |  CAN | 12.16 | 0.212 | 
| 8 | 736 | Liann Kellman |  BAR | 12.28 | 0.165 |