4 x 100 m Relay, Men
| Competition | 1972 South American Athletics U20 Championships |
|---|---|
| Venue |
Asuncion
 PAR
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Colombia |  COL |
43.3 | ||
| Rafael Nieto | — | ||||
| Diego Valencia | — | ||||
| Ernesto Herrera | — | ||||
| Arnoldo Vega | — | ||||
| 🥈 | Paraguay | PAR |
43.4 | ||
| Ángel Guerreros | — | ||||
| Rodolfo Rieder | — | ||||
| César Vega | — | ||||
| Francisco Rojas | — | ||||
| 🥉 | Ecuador |  ECU |
43.9 | ||
| Ramiro Del Pozo | — | ||||
| Roberto Erazo | — | ||||
| Pablo Hidalgo | — | ||||
| Fabián Zapata | — |