| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* | WIND |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1403 | Kendra HARRISON |
USA |
12.33 Q | +0.5 | |
| 2 | 1 | 3 | 1249 | Jasmine CAMACHO-QUINN |
PUR |
12.41 Q | -0.4 | |
| 3 | 2 | 1 | 544 | Devynne CHARLTON |
BAH |
12.49 Q | .484 | +0.5 |
| 4 | 2 | 3 | 1371 | Nia ALI |
USA |
12.49 Q | .486 | -0.4 |
| 5 | 3 | 3 | 1036 | Danielle WILLIAMS |
JAM |
12.50 q SB | .498 | -0.4 |
| 6 | 3 | 1 | 1301 | Ditaji KAMBUNDJI |
SUI |
12.50 q | .500 | +0.5 |
| 7 | 4 | 1 | 1029 | Megan TAPPER |
JAM |
12.55 | +0.5 | |
| 8 | 1 | 2 | 1159 | Tobi AMUSAN |
NGR |
12.56 Q | -0.7 | |
| 9 | 2 | 2 | 1022 | Ackera NUGENT |
JAM |
12.60 Q | -0.7 | |
| 10 | 3 | 2 | 1157 | Nadine VISSER |
NED |
12.62 SB | .618 | -0.7 |
| 11 | 5 | 1 | 963 | Sarah LAVIN |
IRL |
12.62 NR | .619 | +0.5 |
| 12 | 4 | 3 | 1224 | Pia SKRZYSZOWSKA |
POL |
12.71 | -0.4 | |
| 13 | 4 | 2 | 932 | Luca KOZÁK |
HUN |
12.73 | -0.7 | |
| 14 | 5 | 3 | 521 | Michelle JENNEKE |
AUS |
12.80 | -0.4 | |
| 15 | 6 | 3 | 1261 | Marione FOURIE |
RSA |
12.89 | -0.4 | |
| 16 | 7 | 3 | 700 | Mette GRAVERSGAARD |
DEN |
12.94 | -0.4 | |
| 17 | 5 | 2 | 830 | Cyréna SAMBA-MAYELA |
FRA |
12.95 | -0.7 | |
| 18 | 6 | 1 | 866 | Cindy SEMBER |
GBR |
12.97 | .962 | +0.5 |
| 19 | 6 | 2 | 530 | Celeste MUCCI |
AUS |
12.97 | .963 | -0.7 |
| 20 | 8 | 3 | 611 | Michelle HARRISON |
CAN |
13.05 | .042 | -0.4 |
| 21 | 7 | 2 | 783 | Reetta HURSKE |
FIN |
13.05 | .043 | -0.7 |
| 22 | 7 | 1 | 1151 | Maayke TJIN-A-LIM |
NED |
13.05 | .049 | +0.5 |
| 23 | 8 | 1 | 685 | Natalia CHRISTOFI |
CYP |
13.15 | +0.5 | |
| 2 | 1437 | Masai RUSSELL |
USA |
DNF |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second