400 m, Men
| Competition | 2009 South American Athletics U20 Championships |
|---|---|
| Venue |
Sao Paulo/Port of Spain
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Hederson Estefani | BRA |
46.20 | ||
| 🥈 | Omar Longart |  VEN |
47.32 | ||
| 🥉 | Jonathan Da Silva | BRA |
47.32 |