100 m, Women
| Competition | 1978 South American Athletics U18 Championships |
|---|---|
| Venue |
Montevideo
 URU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Adriana Pero |  ARG |
12.28 | ||
| 🥈 | Beatriz Capotosto | ARG |
12.33 | ||
| 🥉 | Fabiana Arizaga | URU |
12.70 |