400 m, Men
| Competition | 2022 South American Athletics U23 Championships |
|---|---|
| Venue |
Cascavel
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Elián Larregina |  ARG |
45.53 | ||
| 🥈 | Douglas Mendes | BRA |
46.59 | ||
| 🥉 | Lucas Vilar | BRA |
46.77 |