4 x 100 m Relay, Men
| Competition | 1948 South American Athletics Championships |
|---|---|
| Venue |
La Paz
 BOL
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Peru |  PER |
42.8 | ||
| Máximo Reyes | — | ||||
| Gerardo Salazar | — | ||||
| Alberto Mayer | — | ||||
| León Pizarro | — | ||||
| 🥈 | Chile |  CHI |
43.2 | ||
| Hernán Figueroa | — | ||||
| Carlos Vera | — | ||||
| Rodolfo López | — | ||||
| M Durruty | — | ||||
| 🥉 | Uruguay |  URU |
44.4 | ||
| Hércules Azcune | — | ||||
| Carlos Ribeiro | — | ||||
| Spikerman Rodríguez | — | ||||
| Julio Saravia | — |