Heat 10
samedi 15 décembre 2018, 03h33 GMT – 03h33 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Marcelo Chierighini | Brazil | 46.89″ |
| 2 |  Cameron McEvoy | Australia | + 0.19″ |
| 3 |  Chad Le Clos | South Africa | + 0.28″ |
| 4 |  Kenneth To | Hong Kong, China | + 0.58″ |
| 5 | Christoffer Carlsen | Sweden | + 0.61″ |
| 6 |  Damian Wierling | Germany | + 0.69″ |
| 7 |  Kristian Gkolomeev | Greece | + 0.74″ |
| 8 | Markus Lie | Norway | + 1.27″ |
| 9 | Yujie Hou | China | + 1.7″ |
| Cesar Cielo | Brazil | DNS |