4 x 100 m Relay, Men
| Competition | 1977 South American Athletics Championships |
|---|---|
| Venue |
Montevideo
 URU
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Brazil |  BRA |
41.4 | ||
| Katsuhiko Nakaya | — | ||||
| Nelson dos Santos | — | ||||
| Ruy da Silva | — | ||||
| Antônio dos Santos | — | ||||
| 🥈 | Venezuela |  VEN |
41.7 | ||
| Hipólito Brown | — | ||||
| José Chacín | — | ||||
| Ely Zabala | — | ||||
| Esteban Briceño | — | ||||
| 🥉 | Uruguay | URU |
42.1 | ||
| Sergio Labruna | — | ||||
| José Goncalves | — | ||||
| Luis Sánchez | — | ||||
| Luis Barbosa | — |