400 m, Men
| Competition | 1998 South American Athletics U18 Championships |
|---|---|
| Venue |
Manaus
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Denis De Santana | BRA |
49.57 | ||
| 🥈 | Luiz da Silveira | BRA |
49.78 | ||
| 🥉 | Enderson Gordillo |  VEN |
50.34 |