400 m, Men
| Competition | 2017 South American Athletics Championships |
|---|---|
| Venue |
Asunción
 PAR
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Winston George |  GUY |
45.42 | ||
| 🥈 | Jhon Perlaza |  COL |
45.77 | ||
| 🥉 | Yilmar Herrera | COL |
46.02 |