Heat 5
lundi 24 juillet 2017, 09h49 GMT – 09h49 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Matt Grevers | United States | 52.92″ |
| 2 |  Ryan Murphy | United States | + 0.34″ |
| 3 |  Ryosuke Irie | Japan | + 0.62″ |
| 4 |  Yakov Toumarkin | Israel | + 1.47″ |
| 5 |  Javier Acevedo | Canada | + 1.51″ |
| 6 |  Mikita Tsmyh | Belarus | + 1.77″ |
| 7 |  Zac Incerti | Australia | + 1.9″ |
| 8 |  Marek Ulrich | Germany | + 1.98″ |
| 9 | Dmytro Gurnytskyi | Ukraine | + 3.13″ |
| 10 | Paul Le Nguyen | Vietnam | + 3.72″ |