4 x 400 m Relay, Men
| Competition | 1964 South American Athletics Junior Championships |
|---|---|
| Venue |
Santiago
 CHI
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Argentina |  ARG |
3:19.8 | ||
| M. García | — | ||||
| Irigoyen | — | ||||
| Carlos Heuchert | — | ||||
| Andrés Calonge | — | ||||
| 🥈 | Venezuela |  VEN |
3:21.2 | ||
| Gustavo Navarro | — | ||||
| José Jacinto Hidalgo | — | ||||
| Manuel Planchart | — | ||||
| Julio Castillo | — | ||||
| 🥉 | Chile | CHI |
3:23.2 | ||
| Eduardo Martín | — | ||||
| Cifuentes | — | ||||
| Jorge Grosser | — | ||||
| Juan Carlos Ruiz | — |