Heats
mercredi 26 juillet 2017, 10h14 GMT – 10h14 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Katinka Hosszú | Hungary | 2′ 7.25″ |
| 2 |  Yufei Zhang | China | + 0.25″ |
| 3 |  Mireia Belmonte | Spain | + 0.34″ |
| 4 |  Yilin Zhou | China | + 0.47″ |
| 5 | Liliána Szilágyi | Hungary | + 0.48″ |
| 6 |  Franziska Hentke | Germany | + 0.81″ |
| 6 | Se-Hyeon An | Korea | + 0.81″ |
| 8 |  Stefania Pirozzi | Italy | + 1.59″ |
| 8 |  Hali Flickinger | United States | + 1.59″ |
| 10 | Dakota Luther | United States | + 1.61″ |
| 11 |  Brianna Throssell | Australia | + 1.73″ |
| 12 |  Suzuka Hasegawa | Japan | + 1.85″ |
| 13 | Ilaria Bianchi | Italy | + 1.87″ |
| 14 | Alys Thomas | Great Britain | + 1.88″ |
| 15 | Hiroko Makino | Japan | + 1.89″ |
| 16 |  Anja Klinar | Slovenia | + 1.96″ |
| 17 | Martina van Berkel | Switzerland | + 2.09″ |
| 18 | Su-Jin Park | Korea | + 2.19″ |
| 19 | Joanna Maranhão | Brazil | + 2.52″ |
| 20 | Svetlana Chimrova | Russia | + 2.61″ |
| 21 | Charlotte Atkinson | Great Britain | + 3.43″ |
| 22 | Klaudia Nazieblo | Poland | + 4.09″ |
| 23 | Barbora Závadová | Czech Republic | + 4.84″ |
| 24 | Maria Mata | Mexico | + 5.57″ |
| 25 |  Anna Ntountounaki | Greece | + 5.65″ |
| 26 | Anastasia Guzhenkova | Russia | + 6.4″ |
| 27 | Helena Gasson | New Zealand | + 6.46″ |
| 28 | Maj Howardsen | Denmark | + 6.63″ |
| 29 | Isabella Páez | Venezuela | + 7.73″ |
| 30 | Azra Avdic | Peru | + 7.84″ |
| 31 | Virginia Bardach | Argentina | + 7.9″ |
| 32 | Alicia Mancilla | Guatemala | + 13.33″ |
| 33 | Damini Gowda | India | + 21.7″ |
| 34 | Lara Aklouk | Jordan | + 25.1″ |
| 35 | Alania Suttie | Samoa | + 27.86″ |