Heat 13
vendredi 26 juillet 2019, 03h43 GMT – 03h43 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Caeleb Dressel | United States | 21.49″ |
| 2 |  Vladimir Morozov | Russia | + 0.21″ |
| 3 |  Bruno Fratus | Brazil | + 0.22″ |
| 4 |  Cameron McEvoy | Australia | + 0.44″ |
| 5 | Maxime Grousset | France | + 0.63″ |
| 6 | Renzo Tjon A Joe | Suriname | + 0.84″ |
| 7 | Oussama Sahnoune | Algeria | + 0.88″ |
| 8 |  Yuri Kisil | Canada | + 0.89″ |
| 9 | Bruno Blaškovic | Croatia | + 1.06″ |
| 10 | Andriy Govorov | Ukraine | + 1.08″ |