4 x 400 m Relay, Men
| Competition | 1958 South American Athletics Championships |
|---|---|
| Venue |
Montevideo
 URU
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Brazil |  BRA |
3:16.3 | ||
| Argemiro Roque | — | ||||
| Ulisses dos Santos | — | ||||
| Geraldo Costa | — | ||||
| Mário Do Nascimento | — | ||||
| 🥈 | Peru |  PER |
3:17.4 | ||
| Eulogio Gómez | — | ||||
| Guillermo Sebastiani | — | ||||
| Ramón Sánchez | — | ||||
| José Laca | — | ||||
| 🥉 | Argentina |  ARG |
3:18.5 | ||
| Eduardo Balducci | — | ||||
| Roberto Battistello | — | ||||
| Víctor Lozano | — | ||||
| Francisco Paganessi | — |