4 x 100 m Relay, Men
| Competition | 2021 South American Athletics U18 Championships |
|---|---|
| Venue |
Ercarnación
 PAR
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Brazil |  BRA |
41.41 | ||
| Renan Correa | — | ||||
| Enzo De Castro | — | ||||
| Thamer Moreira | — | ||||
| Eron Maciel | — | ||||
| 🥈 | Argentina |  ARG |
41.56 | ||
| Ignacio Cabrera | — | ||||
| Luis Batista Rodríguez | — | ||||
| Matías Castro | — | ||||
| Tomás Mondino | — | ||||
| 🥉 | Peru |  PER |
41.78 | ||
| Rodrigo Cornejo | — | ||||
| Jhosep Núñez | — | ||||
| Ismael Arévalo | — | ||||
| Luis Humberto Ángulo | — |