400 m, Men
| Competition | 1976 South American Athletics U20 Championships |
|---|---|
| Venue |
Maracaibo
 VEN
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Antônio Ferreira |  BRA |
48.18 | ||
| 🥈 | Enrique Regis | VEN |
48.73 | ||
| 🥉 | William Wuycke | VEN |
48.88 |