4 x 400 m Relay, Men
| Competition | 1988 South American Athletics U20 Championships |
|---|---|
| Venue |
Cubatao
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Brazil | BRA |
3:12.94 | ||
| Inaldo de Sena | — | ||||
| Gilmar Santos | — | ||||
| Adilson Da Silva | — | ||||
| Eronilde de Araújo | — | ||||
| 🥈 | Argentina |  ARG |
3:13.97 | ||
| Claudio Arcas | — | ||||
| Guillermo Cacián | — | ||||
| Nicolás Rodríguez | — | ||||
| Ricardo Espinosa | — | ||||
| 🥉 | Chile |  CHI |
3:23.91 | ||
| Hernán Hevia | — | ||||
| José Seguel | — | ||||
| Ricardo Quesada | — | ||||
| Carlos Ward | — |