Heats
dimanche 21 juillet 2019, 16h50 GMT – 16h50 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Dina Asher-Smith | Great Britain | 10.91″ |
| 2 |  Shelly-Ann Fraser-Pryce | Jamaica | + 0.04″ |
| 3 |  Marie Josée Ta Lou | Ivory Coast | + 0.05″ |
| 4 |  Blessing Okagbare | Nigeria | + 0.19″ |
| 5 |  Tatjana Pinto | Germany | + 0.21″ |
| 6 |  Dafne Schippers | Netherlands | + 0.24″ |
| 6 |  Murielle Ahouré | Ivory Coast | + 0.24″ |
| 8 | Gina Luckenkemper | Germany | + 0.26″ |
| 9 |  Michelle-Lee Ahye | Trinidad & Tobago | + 0.3″ |
| 10 |  Daryll Neita | Great Britain | + 0.33″ |
| 11 | Imani Lansiquot | Great Britain | + 0.33″ |
| 12 | Shashalee Forbes | Jamaica | + 0.44″ |
| 13 | Kristal Awuah | Great Britain | + 0.44″ |
| 14 | Asha Philip | Great Britain | + 0.46″ |
| 15 | Jonielle Smith | Jamaica | + 0.47″ |
| 16 | Natasha Morrison | Jamaica | + 0.47″ |
| 17 |  Rosangela Santos | Brazil | + 0.52″ |
| 18 | Rachel Miller | Great Britain | + 0.53″ |