Semifinal 1
dimanche 29 septembre 2019, 20h20 GMT – 20h20 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Marie Josée Ta Lou | Ivory Coast | 10.87″ |
| 2 |  Elaine Thompson-Herah | Jamaica | + 0.13″ |
| 3 |  Teahna Daniels | United States | + 0.23″ |
| 4 |  Daryll Neita | Great Britain | + 0.31″ |
| 5 |  Tynia Gaither | Bahamas | + 0.33″ |
| 6 |  Gina Bass | Gambia | + 0.37″ |
| 7 |  Yongli Wei | China | + 0.41″ |
| 8 | Gina Luckenkemper | Germany | + 0.43″ |