Women's 400m Freestyle - Heat 2
dimanche 7 août 2016, 17h34 GMT – 22h34 GMT
| Nom | Temps | |
|---|---|---|
| 1 |  Yuhan Zhang | 4′ 6.3″ |
| 2 |  Sarah Kohler | + 0.25″ |
| 3 | Lotte Friis | + 0.83″ |
| 4 | Andreina Pinto | + 2.04″ |
| 5 | Arina Openysheva | + 5.53″ |
| 6 |  Ajna Késely | + 6.1″ |
| 7 | Emily Overholt | + 9.94″ |
| 8 | Vien Nguyen Thi Anh | + 10.02″ |