4 x 100 m Relay, Men
| Competition | 1977 South American Athletics U18 Championships |
|---|---|
| Venue |
Rio de Janeiro
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Venezuela |  VEN |
43.0 | ||
| Reinaldo Key | — | ||||
| Nelson Mann | — | ||||
| Ángel Román | — | ||||
| Jesús Machuca | — | ||||
| 🥈 | Chile |  CHI |
43.4 | ||
| Alfredo Sancho | — | ||||
| Luis Lagos | — | ||||
| Roberto Carter | — | ||||
| Héctor Fernández | — | ||||
| 🥉 | Brazil | BRA |
43.5 | ||
| Marcos Okamoto | — | ||||
| Sérgio Modroka | — | ||||
| Etore | — | ||||
| Albira | — |