400 m Hurdles, Men
| Competition | 1977 South American Athletics Championships |
|---|---|
| Venue |
Montevideo
 URU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Moisés Zambrano |  VEN |
53.7 | ||
| 🥈 | Donizete Soares |  BRA |
54.1 | ||
| 🥉 | Joelmerson De Carvalho | BRA |
54.4 |