| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* | WIND | 
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 3 | 966 | Tobi AMUSAN |  NGR | 12.40 Q AR | +1.5 | |
| 2 | 1 | 5 | 1142 | Alia ARMSTRONG |  USA | 12.48 Q | +0.5 | |
| 3 | 1 | 2 | 1037 | Jasmine CAMACHO-QUINN |  PUR | 12.52 Q | -0.4 | |
| 4 | 1 | 1 | 830 | Britany ANDERSON |  JAM | 12.59 Q | -0.3 | |
| 5 | 1 | 6 | 1169 | Kendra HARRISON |  USA | 12.60 Q | -0.4 | |
| 6 | 2 | 6 | 716 | Cindy SEMBER |  GBR | 12.67 Q | -0.4 | |
| 7 | 2 | 2 | 443 | Devynne CHARLTON |  BAH | 12.69 Q | -0.4 | |
| 8 | 1 | 4 | 1020 | Pia SKRZYSZOWSKA |  POL | 12.70 Q | +0.7 | |
| 9 | 2 | 5 | 853 | Megan TAPPER |  JAM | 12.73 Q | +0.5 | |
| 10 | 2 | 4 | 965 | Nadine VISSER |  NED | 12.76 Q | +0.7 | |
| 11 | 3 | 6 | 425 | Michelle JENNEKE |  AUS | 12.84 Q SB | -0.4 | |
| 12 | 2 | 3 | 859 | Danielle WILLIAMS |  JAM | 12.87 Q | +1.5 | |
| 13 | 3 | 5 | 1048 | Marione FOURIE |  RSA | 12.94 Q | +0.5 | |
| 14 | 2 | 1 | 500 | Michelle HARRISON |  CAN | 12.95 Q | -0.3 | |
| 15 | 4 | 5 | 866 | Mako FUKUBE |  JPN | 12.96 q | +0.5 | |
| 16 | 3 | 3 | 787 | Sarah LAVIN |  IRL | 12.99 Q | +1.5 | |
| 17 | 3 | 2 | 1093 | Noemi ZBÄREN |  SUI | 13.00 Q | -0.4 | |
| 18 | 4 | 3 | 432 | Celeste MUCCI |  AUS | 13.01 q | +1.5 | |
| 19 | 5 | 5 | 667 | Laeticia BAPTÉ |  FRA | 13.03 q | +0.5 | |
| 20 | 3 | 1 | 583 | Mette GRAVERSGAARD |  DEN | 13.04 Q | -0.3 | |
| 21 | 4 | 6 | 650 | Reetta HURSKE |  FIN | 13.09 q | -0.4 | |
| 22 | 5 | 6 | 864 | Masumi AOKI |  JPN | 13.12 q | .112 | -0.4 | 
| 23 | 5 | 3 | 1083 | Ditaji KAMBUNDJI |  SUI | 13.12 q | .113 | +1.5 | 
| 24 | 6 | 6 | 1225 | Yoveinny MOTA |  VEN | 13.12 | .114 | -0.4 | 
| 25 | 6 | 3 | 922 | Ebony MORRISON |  LBR | 13.12 | .119 | +1.5 | 
| 26 | 3 | 4 | 558 | Andrea Carolina VARGAS |  CRC | 13.12 Q | .120 | +0.7 | 
| 27 | 4 | 4 | 1042 | Paola VAZQUEZ |  PUR | 13.13 | +0.7 | |
| 28 | 4 | 2 | 677 | Cyréna SAMBA-MAYELA |  FRA | 13.15 | -0.4 | |
| 29 | 7 | 6 | 807 | Elisa Maria DI LAZZARO |  ITA | 13.16 | -0.4 | |
| 30 | 4 | 1 | 569 | Greisys ROBLE |  CUB | 13.24 | -0.3 | |
| 31 | 5 | 1 | 463 | Anne ZAGRÉ |  BEL | 13.25 | -0.3 | |
| 32 | 5 | 2 | 1019 | Klaudia SICIARZ |  POL | 13.27 | -0.4 | |
| 33 | 5 | 4 | 575 | Helena JIRANOVÁ |  CZE | 13.37 | +0.7 | |
| 34 | 6 | 2 | 961 | Zoë SEDNEY |  NED | 13.38 | -0.4 | |
| 35 | 7 | 3 | 929 | Sidonie FIADANANTSOA |  MAD | 13.57 | +1.5 | |
| 36 | 6 | 1 | 1107 | Naomi AKAKPO |  TOG | 13.64 | -0.3 | |
| 37 | 1 | 7 | 463 | Anne ZAGRÉ |  BEL | 14.09 | -0.1 | |
| 38 | 7 | 2 | 468 | Ketiley BATISTA |  BRA | 14.22 | -0.4 | |
| 5 | 776 | Mulern JEAN |  HAI | DNF | ||||
| 1 | 1138 | Nia ALI |  USA | DQ | ||||
| 4 | 414 | Liz CLAY |  AUS | DQ | ||||
| 4 | 1177 | Alaysha JOHNSON |  USA | DQ | 
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second