Semifinal 2
mercredi 2 octobre 2019, 20h05 GMT – 20h05 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Rushell Clayton | Jamaica | 54.17″ |
| 2 | Zuzana Hejnová | Czech Republic | + 0.24″ |
| 3 | Ashley Spencer | United States | + 0.25″ |
| 4 | Amalie Iuel | Norway | + 0.86″ |
| 5 |  Ayomide Folorunso | Italy | + 1.19″ |
| 6 |  Joanna Linkiewicz | Poland | + 1.21″ |
| 7 |  Sarah Carli | Australia | + 1.26″ |
| 8 |  Carolina Krafzik | Germany | + 2.24″ |