400 m Hurdles, Men
| Competition | 2023 South American Athletics Championships |
|---|---|
| Venue |
São Paulo
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Matheus Lima | BRA |
49.44 | ||
| 🥈 | Bruno de Genaro De Genaro |  ARG |
50.35 | ||
| 🥉 | Cristóbal Muñoz |  CHI |
50.89 |