Semifinal 2
lundi 24 juillet 2017, 17h58 GMT – 17h58 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Lilly King | United States | 1′ 4.53″ |
| 2 |  Ruta Meilutyte | Lithuania | + 0.53″ |
| 3 | Jinglin Shi | China | + 1.94″ |
| 4 |  Kierra Smith | Canada | + 2.09″ |
| 5 | Sarah Vasey | Great Britain | + 2.28″ |
| 6 | Taylor McKeown | Australia | + 2.4″ |
| 7 |  Jessica Hansen | Australia | + 2.68″ |
| 8 | Rikke Møller Pedersen | Denmark | + 3.39″ |