Semifinal
lundi 7 août 2017, 21h55 GMT – 21h55 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 0 |  Margaret Bamgbose | Nigeria | DQ |
| 1 |  Salwa Eid Naser | Bahrain | + 2.15″ |
| 2 |  Allyson Felix | United States | + 2.11″ |
| 3 |  Shaunae Miller-Uibo | Bahamas | + 1.87″ |
| 4 | Phyllis Francis | United States | + 1.86″ |
| 5 |  Stephenie McPherson | Jamaica | + 1.67″ |
| 6 | Kabange Mpopo | Zambia | + 1.63″ |
| 7 | Novlene Williams-Mills | Jamaica | + 1.56″ |
| 8 |  Shericka Jackson | Jamaica | + 1.53″ |
| 9 | Quanera Hayes | United States | + 1.52″ |
| 10 | Chris-Ann Gordon | Jamaica | + 1.36″ |
| 11 | Amantle Montsho | Botswana | + 0.95″ |
| 12 | Gunta Vaicule | Latvia | + 0.66″ |
| 13 | Lydia Mashila | Botswana | + 0.66″ |
| 14 | Ruth Sophia Spelmeyer | Germany | + 0.46″ |
| 15 |  Iga Baumgart-Witan | Poland | + 0.42″ |
| 16 |  Zoey Clark | Great Britain | + 0.42″ |
| 17 | Roxana Gómez | Cuba | + 0.22″ |
| 18 |  Bianca Razor | Romania | + 0.14″ |
| 19 | Yinka Ajayi | Nigeria | + 0.13″ |
| 20 | Patience Okon | Nigeria | + 0.37″ |
| 21 | Nirmala Sheoran | India | + 0.84″ |
| 22 |  Irini Vasiliou | Greece | + 1.04″ |
| 23 | Ashley Kelly | British Virgin Islands | + 2.27″ |