400 m, Men
| Competition | 1965 South American Athletics Championships |
|---|---|
| Venue |
Rio de Janeiro
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Víctor Maldonado |  VEN |
47.5 | ||
| 🥈 | Pedro Grajales |  COL |
47.5 | ||
| 🥉 | Andrés Calonge |  ARG |
48.4 |