400 m, Men
| Competition | 1996 South American Athletics U20 Championships |
|---|---|
| Venue |
Bucaramanga
 COL
|
| Held | — |
| Status | Medal |
| Competitors | 2 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Gustavo Aguirre |  ARG |
48.3 | ||
| 🥈 | André Dos Santos |  BRA |
48.4 |
| Competition | 1996 South American Athletics U20 Championships |
|---|---|
| Venue |
Bucaramanga
COL
|
| Held | — |
| Status | Medal |
| Competitors | 2 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Gustavo Aguirre | ARG |
48.3 | ||
| 🥈 | André Dos Santos | BRA |
48.4 |