400 m, Men
| Competition | 2006 South American Athletics U23 Championships |
|---|---|
| Venue |
Buenos Aires
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Andrés Silva |  URU |
46.69 | ||
| 🥈 | Geiner Mosquera |  COL |
46.70 | ||
| 🥉 | Josner Rodríguez |  VEN |
46.94 |