400 m Hurdles, Men
| Competition | 1972 South American Athletics Junior Championships |
|---|---|
| Venue |
Asuncion
 PAR
|
| Held | — |
| Status | Medal |
| Competitors | 4 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| DQ | Francisco Rojas | PAR |
[53.9] | ||
| 🥇 | Roberto Comisso |  ARG |
57.5 | ||
| 🥈 | Rodolfo Iturraspe | ARG |
58.6 | ||
| 🥉 | Cleb Lima |  BRA |
1:00.5 |