Men's 400m Individual Medley - Heat 4
samedi 6 août 2016, 16h20 GMT – 21h20 GMT
| Nom | Temps | |
|---|---|---|
| 1 |  Chase Kalisz | 4′ 8.12″ |
| 2 |  Daiya Seto | + 0.35″ |
| 3 | Jay Litherland | + 2.98″ |
| 4 |  Brandonn Almeida | + 9.13″ |
| 5 | Luca Marin | + 9.76″ |
| 6 | Federico Turrini | + 10.27″ |
| 7 | Sebastien Rousseau | + 10.6″ |