400 m, Men
| Competition | 1990 South American Games |
|---|---|
| Venue |
Lima
 PER
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Carlos Morales |  CHI |
48.30 | ||
| 🥈 | Hernán Hevia | CHI |
48.60 | ||
| 🥉 | José Zambrano |  VEN |
48.80 |
| Competition | 1990 South American Games |
|---|---|
| Venue |
Lima
PER
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Carlos Morales | CHI |
48.30 | ||
| 🥈 | Hernán Hevia | CHI |
48.60 | ||
| 🥉 | José Zambrano | VEN |
48.80 |