Heat 5
dimanche 23 juillet 2017, 09h30 GMT – 09h30 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Sarah Sjöström | Sweden | 55.96″ |
| 2 |  Se-Hyeon An | Korea | + 1.87″ |
| 3 | Svetlana Chimrova | Russia | + 1.89″ |
| 4 | Sarah Gibson | United States | + 2.2″ |
| 5 | Ying Lu | China | + 2.55″ |
| 6 |  Brianna Throssell | Australia | + 2.7″ |
| 7 | Farida Osman | Egypt | + 2.71″ |
| 8 |  Anna Ntountounaki | Greece | + 3.05″ |
| 9 | Keren Siebner | Israel | + 3.76″ |
| 10 | Barbora Misendova | Slovakia | + 5.75″ |