100 m, Men
| Competition | 1931 South American Athletics Championships |
|---|---|
| Venue |
Buenos Aires
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Carlos Bianchi | ARG |
10.9 | ||
| 🥈 | José de Almeida |  BRA |
11.0 | ||
| 🥉 | Juan Bautista Pina | ARG |
— |