400 m, Men
| Competition | 2010 South American Athletics U18 Championships |
|---|---|
| Venue |
Santiago
 CHI
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Leandro de Araújo |  BRA |
47.87 | ||
| 🥈 | Diego Palomeque |  COL |
47.89 | ||
| 🥉 | Edmundo Díaz |  PER |
48.80 |