Javelin Throw, Men
| Competition | 1978 South American Athletics U20 Championships |
|---|---|
| Venue |
Sao Paulo
 BRA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Juan Garmendía |  ARG |
65.12 | ||
| 🥈 | Eduardo Vieira da Silva | BRA |
62.42 | ||
| 🥉 | Gustavo Wielandt |  CHI |
59.06 |