| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* | WIND | 
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1965 | Twanisha TERRY |  USA | 11.03 Q CR | +0.4 | |
| 2 | 1 | 2 | 1780 | Briana WILLIAMS |  JAM | 11.25 Q | -0.2 | |
| 3 | 1 | 3 | 1681 | Kristal AWUAH |  GBR | 11.37 Q | +0.3 | |
| 4 | 2 | 1 | 1702 | Keshia Beverly Kwadwo |  GER | 11.39 Q | +0.4 | |
| 5 | 3 | 1 | 1738 | Gina AKPE-MOSES |  IRL | 11.51 q | +0.4 | |
| 6 | 2 | 3 | 1957 | Daija Lampkin |  USA | 11.55 Q | +0.3 | |
| 7 | 2 | 2 | 1854 | Magdalena STEFANOWICZ |  POL | 11.56 Q | -0.2 | |
| 8 | 3 | 2 | 1552 | Lorraine MARTINS |  BRA | 11.57 q | -0.2 | |
| 9 | 3 | 3 | 1918 | Jenea Spinks |  TTO | 11.62 | +0.3 | |
| 10 | 4 | 1 | 1568 | Deondra Green |  CAN | 11.63 SB | +0.4 | |
| 11 | 4 | 2 | 1916 | Akilah LEWIS |  TTO | 11.65 | -0.2 | |
| 12 | 5 | 1 | 1517 | Riley DAY |  AUS | 11.67 | +0.4 | |
| 13 | 4 | 3 | 1781 | Ockera Myrie |  JAM | 11.69 | .682 | +0.3 | 
| 14 | 6 | 1 | 1869 | Marina Andreea BABOI |  ROU | 11.69 | .686 | +0.4 | 
| 15 | 7 | 1 | 1821 | Patrizia VAN DER WEKEN |  LUX | 11.70 | .695 | +0.4 | 
| 16 | 5 | 3 | 1740 | Ciara NEVILLE |  IRL | 11.70 | .699 | +0.3 | 
| 17 | 6 | 3 | 1623 | Gabriela Anahi SUAREZ |  ECU | 11.70 PB | .700 | +0.3 | 
| 18 | 7 | 3 | 1580 | Lulu Feng |  CHN | 11.84 | +0.3 | |
| 19 | 8 | 1 | 1885 | Amasha De Silva |  SRI | 11.86 | +0.4 | |
| 20 | 8 | 3 | 1662 | Sara FRANCIS |  FIN | 11.87 | +0.3 | |
| 21 | 5 | 2 | 1764 | Margherita Zuecco |  ITA | 11.88 | -0.2 | |
| 22 | 6 | 2 | 1705 | Denise Uphoff |  GER | 11.90 | .892 | -0.2 | 
| 23 | 7 | 2 | 1639 | Patricia UrquÃa |  ESP | 11.90 | .893 | -0.2 | 
| 2 | 1541 | Jaida Knowles |  BAH | DNS | 
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second