400 m, Men
| Competition | 2015 South American Athletics U20 Championships |
|---|---|
| Venue |
Cuenca
 ECU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Maykon Do Nascimento |  BRA |
46.73 | ||
| 🥈 | Anderson Cordeiro Lima Cerqueira | BRA |
47.19 | ||
| 🥉 | Martín Tagle |  CHI |
48.12 |