400 m Hurdles, Men
| Competition | 2010 South American Athletics U18 Championships |
|---|---|
| Venue |
Santiago
 CHI
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Alfredo Sepúlveda | CHI |
53.6 | ||
| 🥈 | Wesley Martins |  BRA |
54.1 | ||
| 🥉 | Mauricio Barrios | CHI |
54.6 |