100 m, Men
| Competition | 1977 South American Athletics Championships |
|---|---|
| Venue |
Montevideo
 URU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Ruy da Silva |  BRA |
10.3 | ||
| 🥈 | Katsuhiko Nakaya | BRA |
10.4 | ||
| 🥉 | Miguel Sulbarán |  VEN |
10.6 |