Heat 5
mardi 23 juillet 2019, 03h17 GMT – 03h17 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Sarah Sjöström | Sweden | 1′ 55.14″ |
| 2 |  Siobhán Haughey | Hong Kong, China | + 0.88″ |
| 3 |  Junxuan Yang | China | + 1.29″ |
| 4 | Valeria Salamatina | Russia | + 2.84″ |
| 5 |  Katinka Hosszú | Hungary | + 4.3″ |
| 6 | Aleksandra Polanska | Poland | + 5.2″ |
| 7 | Katja Fain | Slovenia | + 5.24″ |
| 8 | Joanna Evans | Bahamas | + 7.62″ |
| 9 | Hyun-Ju Jo | Korea | + 8.02″ |
 Emma McKeon | Australia | DNF |