| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* | WIND |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1718 | Tina CLAYTON |
JAM |
11.34 Q | 0.0 | |
| 2 | 1 | 2 | 1780 | Beatrice MASILINGI |
NAM |
11.35 Q | +0.3 | |
| 3 | 2 | 2 | 1884 | Melissa GUTSCHMIDT |
SUI |
11.50 Q | .498 | +0.3 |
| 4 | 2 | 1 | 1873 | Ivana ILIĆ |
SRB |
11.50 Q | .500 | 0.0 |
| 5 | 3 | 2 | 1887 | Viktória FORSTER |
SVK |
11.54 q NU20R | +0.3 | |
| 6 | 1 | 3 | 1794 | Praise OFOKU |
NGR |
11.57 Q | -0.5 | |
| 7 | 4 | 2 | 1723 | Kerrica HILL |
JAM |
11.60 q | +0.3 | |
| 8 | 5 | 2 | 1786 | Tima Seikeseye GODBLESS |
NGR |
11.61 | +0.3 | |
| 9 | 2 | 3 | 1585 | Eva KUBÍČKOVÁ |
CZE |
11.64 Q SB | .632 | -0.5 |
| 10 | 3 | 1 | 1834 | Maria MIHALACHE |
ROU |
11.64 | .634 | 0.0 |
| 11 | 4 | 1 | 1635 | Johanna KYLMÄNEN |
FIN |
11.70 | 0.0 | |
| 12 | 3 | 3 | 1527 | Camille RUTHERFORD |
BAH |
11.72 | -0.5 | |
| 13 | 5 | 1 | 1596 | Lirangi ALONZO TEJADA |
DOM |
11.73 | 0.0 | |
| 14 | 6 | 2 | 1765 | Andrė OŽECHAUSKAITĖ |
LTU |
11.79 | +0.3 | |
| 15 | 4 | 3 | 1892 | Leah BERTRAND |
TTO |
11.80 | -0.5 | |
| 16 | 5 | 3 | 1551 | Izzy GOUDROS |
CAN |
11.87 | -0.5 | |
| 17 | 7 | 2 | 1699 | Gaya BERTELLO |
ITA |
11.88 | +0.3 | |
| 18 | 6 | 1 | 1582 | Lucie MIČUNKOVÁ |
CZE |
11.90 | .897 | 0.0 |
| 19 | 6 | 3 | 1638 | Anna PURSIAINEN |
FIN |
11.90 | .900 | -0.5 |
| 20 | 8 | 2 | 1817 | Monika ROMASZKO |
POL |
11.91 | +0.3 | |
| 21 | 7 | 1 | 1878 | Medhani BATUWANAGE |
SRI |
11.96 | 0.0 | |
| 22 | 7 | 3 | 1841 | Charlize EILERD |
RSA |
11.97 | -0.5 | |
| 23 | 8 | 3 | 1672 | Mariandree CHACÓN |
GUA |
11.99 | -0.5 | |
| 24 | 8 | 1 | 1814 | Magdalena NIEMCZYK |
POL |
12.10 | 0.0 |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second