400 m Hurdles, Men
| Competition | 1971 South American Athletics Championships |
|---|---|
| Venue |
Lima
 PER
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Juan Carlos Dyrzka |  ARG |
52.4 | ||
| 🥈 | Dorival Antônio Negrisoli |  BRA |
53.0 | ||
| 🥉 | Eduardo Rodrígues | BRA |
53.2 |