400 m, Men
| Competition | 1949 South American Athletics Championships |
|---|---|
| Venue |
Lima
 PER
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Gustavo Ehlers |  CHI |
49.5 | ||
| 🥈 | Rosalvo Ramos |  BRA |
49.8 | ||
| 🥉 | Antonio Pocoví |  ARG |
50.0 |
| Competition | 1949 South American Athletics Championships |
|---|---|
| Venue |
Lima
PER
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Gustavo Ehlers | CHI |
49.5 | ||
| 🥈 | Rosalvo Ramos | BRA |
49.8 | ||
| 🥉 | Antonio Pocoví | ARG |
50.0 |