Heat 1
dimanche 9 juillet 2017, 14h35 GMT – 16h40 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Blessing Okagbare | Nigeria | 11.04″ |
| 2 |  Elaine Thompson-Herah | Jamaica | + 0.12″ |
| 3 |  Asha Philip | Great Britain | + 0.14″ |
| 4 |  Rosangela Santos | Brazil | + 0.21″ |
| 5 | Shashalee Forbes | Jamaica | + 0.32″ |
| 6 |  Dina Asher-Smith | Great Britain | + 0.47″ |
| 7 |  Kaylin Whitney | United States | + 0.72″ |
| 8 | Ashleigh Nelson | Great Britain | + 8.17″ |