400 m, Men
| Competition | 2023 South American Athletics Championships |
|---|---|
| Venue |
São Paulo
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Anthony Zambrano |  COL |
45.52 | ||
| 🥈 | Elián Larregina |  ARG |
45.63 | ||
| 🥉 | Jhon Perlaza | COL |
45.86 |