400 m, Men
| Competition | 1979 South American Athletics Championships |
|---|---|
| Venue |
Bucaramanga
 COL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Geraldo José Pegado |  BRA |
46.2 | ||
| 🥈 | Antônio Ferreira | BRA |
46.9 | ||
| 🥉 | Héctor Daley |  PAN |
47.4 |