Semifinal 3
lundi 7 août 2017, 21h55 GMT – 21h55 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 0 |  Margaret Bamgbose | Nigeria | DQ |
| 1 | Phyllis Francis | United States | + 1.86″ |
| 2 | Kabange Mpopo | Zambia | + 1.63″ |
| 3 | Chris-Ann Gordon | Jamaica | + 1.36″ |
| 4 | Amantle Montsho | Botswana | + 0.95″ |
| 5 | Ruth Sophia Spelmeyer | Germany | + 0.46″ |
| 6 |  Iga Baumgart-Witan | Poland | + 0.42″ |
| 7 |  Zoey Clark | Great Britain | + 0.42″ |