Long Jump, Men
| Competition | 1978 South American Athletics U18 Championships |
|---|---|
| Venue |
Montevideo
 URU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Márcio Macarino |  BRA |
6.74 | ||
| 🥈 | Marcelo Cárcamo |  CHI |
6.57 | ||
| 🥉 | Rubén Riguetti | URU |
6.49 |