Semifinal 3
mardi 7 août 2018, 19h17 GMT – 19h17 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Dafne Schippers | Netherlands | 11.05″ |
| 2 |  Jamile Samuel | Netherlands | + 0.05″ |
| 3 |  Imani Lansiquot | Great Britain | + 0.09″ |
| 4 |  Carolle Zahi | FFA - France Athlétisme | + 0.11″ |
| 5 |  Lisa marie Kwayie | Germany | + 0.31″ |
| 6 |  Salome Kora | Switzerland | + 0.31″ |
| 7 |  Ezinne Okparaebo | Norway | + 0.32″ |
| 8 | Lorene Bazolo | Portugal | + 0.41″ |