4 x 400 m Relay, Men
| Competition | 1943 South American Athletics Championships |
|---|---|
| Venue |
Santiago
 CHI
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Argentina |  ARG |
3:18.8 | ||
| Adelio Márquez | — | ||||
| Leopoldo Monastirsky | — | ||||
| Víctorino Triulzi | — | ||||
| Alberto Propato | — | ||||
| 🥈 | Chile | CHI |
3:19.4 | ||
| Jorge Ehlers | — | ||||
| Enrique Hurtado | — | ||||
| Alfonso Rozas | — | ||||
| Roberto Yokota | — | ||||
| 🥉 | Bolivia |  BOL |
3:41.1 | ||
| Heredia | — | ||||
| Ayabiri | — | ||||
| Domínguez | — | ||||
| Colodro | — |