Semifinal
mardi 1 octobre 2019, 20h35 GMT – 20h35 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Dina Asher-Smith | Great Britain | 22.16″ |
| 2 |  Brittany Brown | United States | + 0.3″ |
| 3 | Angie Annelus | United States | + 0.33″ |
| 4 |  Mujinga Kambundji | Switzerland | + 0.33″ |
| 5 | Dezerea Bryant | United States | + 0.4″ |
| 6 |  Tynia Gaither | Bahamas | + 0.41″ |
| 7 | Ivet Lalova-Collio | Bulgaria | + 0.42″ |
| 8 | Gina Bass | Gambia | + 0.44″ |
| 9 |  Crystal Emmanuel | Canada | + 0.49″ |
| 10 | Aminatou Seyni | Niger | + 0.61″ |
| 11 | Jodie Williams | Great Britain | + 0.62″ |
| 12 | Maja Mihalinec | Slovenia | + 0.65″ |
| 13 |  Lisa marie Kwayie | Germany | + 0.67″ |
| 14 | Bassant Hemida | Egypt | + 0.76″ |
| 15 |  Jamile Samuel | Netherlands | + 0.86″ |
| 16 |  Carolle Zahi | FFA - France Athlétisme | + 0.87″ |
| 17 | Marileidy Paulino | Dominican Republic | + 0.87″ |
| 18 | Tatjana Pinto | Germany | + 0.95″ |
| 19 |  Beth Dobbin | Great Britain | + 0.95″ |
| 20 | Shashalee Forbes | Jamaica | + 0.98″ |
| 21 | Jessica-Bianca Wessolly | Germany | + 1.21″ |
| 22 | Kamaria Durant | Trinidad & Tobago | + 1.28″ |
| 23 | Anthonique Strachan | Bahamas | + 3.28″ |
 Elaine Thompson-Herah | Jamaica | DNF |