400 m, Men
| Competition | 1999 South American Athletics Championships |
|---|---|
| Venue |
Bogotá
 COL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Anderson dos Santos |  BRA |
45.39 | ||
| 🥈 | John Mena | COL |
46.16 | ||
| 🥉 | Inácio Leão | BRA |
46.18 |