400 m, Men
| Competition | 1975 South American Athletics Championships |
|---|---|
| Venue |
Rio de Janeiro
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Delmo da Silva | BRA |
47.0 | ||
| 🥈 | Jesús Villegas |  COL |
48.0 | ||
| 🥉 | Pedro Teixeira | BRA |
48.4 |