4 x 400 m Relay, Men
| Competition | 2003 South American Athletics U20 Championships |
|---|---|
| Venue |
Guayaquil
 ECU
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Brazil |  BRA |
3:14.03 | ||
| Raphael Fernandes | — | ||||
| Kléberson Davide | — | ||||
| Thiago Chyaromont | — | ||||
| Daniel Herrmann | — | ||||
| 🥈 | Argentina |  ARG |
3:17.41 | ||
| Matías López | — | ||||
| Sebastián Lasquera | — | ||||
| Christian Deymonnaz | — | ||||
| Lucas Prada | — | ||||
| 🥉 | Ecuador | ECU |
3:19.09 | ||
| J Ruiz | — | ||||
| Eddy Bravo | — | ||||
| Esteban Lucero | — | ||||
| Francisco Aguirre | — |