4 x 400 m Relay, Men
| Competition | 1947 South American Athletics Championships |
|---|---|
| Venue |
Rio de Janeiro
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Argentina |  ARG |
3:16.0 | ||
| Guillermo Ávalos | — | ||||
| Guillermo Evans | — | ||||
| Antonio Pocoví | — | ||||
| Rodolfo Carrera | — | ||||
| 🥈 | Chile |  CHI |
3:17.0 | ||
| Gustavo Ehlers | — | ||||
| Jaime Itlman | — | ||||
| Sergio Guzmán | — | ||||
| Jorge Ehlers | — | ||||
| 🥉 | Brazil | BRA |
3:19.9 | ||
| Rosalvo Ramos | — | ||||
| Benedito Ribeiro | — | ||||
| Bernard Blower | — | ||||
| Osmar Romano | — |