400 m, Men
| Competition | 2021 South American Athletics Championships |
|---|---|
| Venue |
Guayaquil
 ECU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Kelvis Padrino |  VEN |
45.82 | ||
| 🥈 | Lucas Carvalho |  BRA |
46.31 | ||
| 🥉 | Raúl Hernán Mena |  COL |
46.58 |