Men 4x100 Medley Relay · Heats · Oct 6, 2018–Oct 18, 20182018 Youth Olympic Games Buenos Aires
| Place | Swimmer | Time |
|---|---|---|
| 1Heat 1 | Poland | 3:45.31 |
| 2Heat 1 | Japan | 3:45.34 |
| 3Heat 1 | Hungary | 3:45.41 |
| 4Heat 1 | Canada | 3:46.23 |
| 5Heat 1 | Italy | 3:47.31 |
| 1Heat 2 | Russia | 3:43.50 |
| 2Heat 2 | People's Republic of China | 3:45.74 |
| 3Heat 2 | South Africa | 3:47.78 |
| 4Heat 2 | United States of America | 3:47.91 |
| —Heat 2 | Australia | DNS |
| —Heat 2 | Brazil | DNS |
SourceResults
Meet source; a separate document for this swim is not linked.