Heat 13
mercredi 24 juillet 2019, 03h15 GMT – 03h15 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Breno Correia | Brazil | 48.39″ |
| 2 |  Alessandro Miressi | Italy | + 0.18″ |
| 3 |  Clyde Lewis | Australia | + 0.24″ |
| 4 |  Kyle Chalmers | Australia | + 0.27″ |
| 5 |  Katsumi Nakamura | Japan | + 0.29″ |
| 6 | Dylan Carter | Trinidad & Tobago | + 0.38″ |
| 7 |  Markus Thormeyer | Canada | + 0.66″ |
| 8 | Vladimir Morozov | Russia | + 0.7″ |
| 9 |  Kyle Stolk | Netherlands | + 0.81″ |
| 10 | Bruno Blaškovic | Croatia | + 0.85″ |