Heat 5
mardi 25 juillet 2017, 09h49 GMT – 09h49 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Federica Pellegrini | Italy | 1′ 56.07″ |
| 2 |  Katinka Hosszú | Hungary | + 0.36″ |
| 3 |  Charlotte Bonnet | France | + 1.27″ |
| 4 |  Yanhan Ai | China | + 1.97″ |
| 5 |  Katerine Savard | Canada | + 2.09″ |
| 6 |  Ariarne Titmus | Australia | + 2.72″ |
| 7 |  Easop Lee | Korea | + 3.31″ |
| 8 | Alice Mizzau | Italy | + 4.03″ |
| 9 | Anastasia Bogdanovski | North Macedonia | + 6.85″ |
| Andreina Pinto | Venezuela | DNS |