Heats
lundi 24 juillet 2017, 10h56 GMT – 10h56 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Katie Ledecky | United States | 15′ 47.54″ |
| 2 |  Mireia Belmonte | Spain | + 17.83″ |
| 3 |  Yawen Hou | China | + 18.33″ |
| 4 |  Simona Quadarella | Italy | + 19.54″ |
| 5 |  Boglárka Kapás | Hungary | + 22.06″ |
| 6 | Kristel Kobrich | Chile | + 29.74″ |
| 7 | Julia Hassler | Liechtenstein | + 31.62″ |
| 8 | Ajna Késely | Hungary | + 33.44″ |
| 9 | Jimena Pérez | Spain | + 33.91″ |
| 10 | Tamila Holub | Portugal | + 36.51″ |
| 11 | Emma Robinson | New Zealand | + 38.24″ |
| 12 |  Celine Rieder | Germany | + 38.45″ |
| 13 | Gaja Natlacen | Slovenia | + 44.91″ |
| 14 | Olivia Anderson | Canada | + 46.96″ |
| 15 |  Tjaša Oder | Slovenia | + 47.32″ |
| 16 | Yejie Chen | China | + 1′ 6.2″ |
| 17 | Maria Alejandra Bramont-Arias | Peru | + 1′ 14.31″ |
| 18 | Martina Elhenická | Czech Republic | + 1′ 17.09″ |
| 19 | Alicia Mancilla | Guatemala | + 1′ 27.5″ |
| 20 | Tinky Ho | Hong Kong, China | + 1′ 30.1″ |
| 21 | Samantha Randle | South Africa | + 1′ 34.88″ |
| 22 | Souad Cherouati | Algeria | + 1′ 37.46″ |