400 m, Men
| Competition | 2011 South American Athletics U20 Championships |
|---|---|
| Venue |
Medellin
 COL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Anderson Henriques |  BRA |
46.59 | ||
| 🥈 | Bernardo Baloyes | COL |
47.05 | ||
| 🥉 | Stephan James |  GUY |
47.79 |