4 x 400 m Relay, Men
| Competition | 1980 South American Athletics U20 Championships |
|---|---|
| Venue |
Santiago
 CHI
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Brazil |  BRA |
3:13.1 | ||
| Marcos Vieira | — | ||||
| Pedro Souza | — | ||||
| Luis Borges | — | ||||
| Joaquim Cruz | — | ||||
| 🥈 | Argentina |  ARG |
3:17.5 | ||
| Jorge DÃaz | — | ||||
| Daniel Buffarini | — | ||||
| Daniel Bambicha | — | ||||
| Ernesto Braun | — | ||||
| 🥉 | Chile | CHI |
3:19.3 | ||
| Gerardo San José | — | ||||
| Fernando Salazar | — | ||||
| Carlos Contreras | — | ||||
| Pablo Squella | — |