400 m Freestyle, Men
| Competition | 1946 South American Aquatics Championships |
|---|---|
| Venue |
Rio de Janeiro
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | José Durañona |  ARG |
5:00.9 | ||
| 🥈 | Sérgio Rodrigues | BRA |
5:05.9 | ||
| 🥉 | Washington Guzmán |  CHI |
5:08.0 |