100 m, Men
| Competition | 1972 South American Athletics U20 Championships |
|---|---|
| Venue |
Asuncion
 PAR
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Welbe Barreto |  BRA |
10.9 | ||
| 🥈 | Ángel Guerreros | PAR |
11.1 | ||
| 🥉 | Jorge Lovera |  ARG |
11.1 |