| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* | WIND |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 1162 | Tobi AMUSAN |
NGR |
12.36 Q | -0.2 | |
| 2 | 1 | 1 | 1445 | Grace STARK |
USA |
12.37 Q | -0.5 | |
| 3 | 1 | 3 | 1443 | Masai RUSSELL |
USA |
12.42 Q | +0.2 | |
| 4 | 2 | 3 | 1043 | Danielle WILLIAMS |
JAM |
12.44 Q | .432 | +0.2 |
| 5 | 2 | 1 | 1298 | Ditaji KAMBUNDJI |
SUI |
12.44 Q | .439 | -0.5 |
| 6 | 2 | 2 | 1159 | Nadine VISSER |
NED |
12.45 Q | -0.2 | |
| 7 | 3 | 3 | 558 | Devynne CHARLTON |
BAH |
12.51 q SB | +0.2 | |
| 8 | 3 | 2 | 1218 | Pia SKRZYSZOWSKA |
POL |
12.53 q | -0.2 | |
| 9 | 3 | 1 | 1033 | Ackera NUGENT |
JAM |
12.63 | -0.5 | |
| 10 | 4 | 2 | 1415 | Alaysha JOHNSON |
USA |
12.66 | -0.2 | |
| 11 | 5 | 2 | 979 | Elena CARRARO |
ITA |
12.79 PB | -0.2 | |
| 12 | 4 | 3 | 1151 | Maayke TJIN-A-LIM |
NED |
12.85 | +0.2 | |
| 13 | 4 | 1 | 956 | Sarah LAVIN |
IRL |
12.86 | -0.5 | |
| 14 | 6 | 2 | 1016 | Amoi BROWN |
JAM |
12.93 | -0.2 | |
| 15 | 5 | 1 | 978 | Giada CARMASSI |
ITA |
12.95 | -0.5 | |
| 16 | 6 | 1 | 717 | Greisys ROBLE |
CUB |
12.97 | -0.5 | |
| 17 | 5 | 3 | 940 | Luca KOZÁK |
HUN |
13.01 | +0.2 | |
| 18 | 7 | 2 | 1060 | Hitomi NAKAJIMA |
JPN |
13.02 | .012 | -0.2 |
| 19 | 8 | 2 | 806 | Saara KESKITALO |
FIN |
13.02 | .014 | -0.2 |
| 20 | 6 | 3 | 574 | Yanla NDJIP-NYEMECK |
BEL |
13.05 | +0.2 | |
| 21 | 7 | 1 | 1048 | Mako FUKUBE |
JPN |
13.06 | -0.5 | |
| 22 | 7 | 3 | 821 | Sacha ALESSANDRINI |
FRA |
13.08 | +0.2 | |
| 1 | 802 | Lotta HARALA |
FIN |
DQ | ||||
| 3 | 1258 | Marione FOURIE |
RSA |
DQ |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second