4 x 100 m Relay, Women
| Competition | 1978 South American Athletics U18 Championships |
|---|---|
| Venue |
Montevideo
 URU
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Argentina |  ARG |
48.27 | ||
| Adriana Pero | — | ||||
| Beatriz Capotosto | — | ||||
| Susana Crespo | — | ||||
| Patricia Pedrazzi | — | ||||
| 🥈 | Chile |  CHI |
49.57 | ||
| Carolina Cox | — | ||||
| Claudia Hoelzel | — | ||||
| Isabel Kurth | — | ||||
| María Labarca | — | ||||
| 🥉 | Brazil |  BRA |
49.88 | ||
| Suzete Montalvão | — | ||||
| Cláudia Neves | — | ||||
| Maria Lopes | — | ||||
| Maria Magnólia Figueiredo | — |