Semifinal 1
vendredi 11 août 2017, 20h35 GMT – 20h35 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Ajee Wilson | United States | 1′ 59.21″ |
| 2 |  Melissa Bishop | Canada | + 0.35″ |
| 3 | Noelie Yarigo | Benin | + 0.53″ |
| 4 |  Rose Mary Almanza | Cuba | + 0.58″ |
| 5 | Hedda Hynne | Norway | + 0.67″ |
| 6 | Adelle Tracey | Great Britain | + 1.05″ |
| 7 | Hanna Hermansson | Sweden | + 1.22″ |
| 8 |  Habitam Alemu | Ethiopia | + 1.48″ |