400 m, Men
| Competition | 2013 South American Athletics U20 Championships |
|---|---|
| Venue |
Resistencia
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Carlos Grachet |  BRA |
46.68 | ||
| 🥈 | Alexander Russo | BRA |
47.40 | ||
| 🥉 | Sergio Germaín |  CHI |
48.05 |