4 x 100 m Relay, Women
| Competition | 1989 South American Athletics U20 Championships |
|---|---|
| Venue |
Montevideo
 URU
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Brazil |  BRA |
47.32 | ||
| Adriana Raulino | — | ||||
| Maria Luna | — | ||||
| Jupira da Graça | — | ||||
| Claudete de Piña | — | ||||
| 🥈 | Chile |  CHI |
48.18 | ||
| 🥈 | Venezuela |  VEN |
48.18 | ||
| María González | — | ||||
| Ana Cecilia Amaya | — | ||||
| Judith De la Fuente | — | ||||
| Josefa Castro | — | ||||
| Lisette Rondón | — | ||||
| Emy Ochoa | — | ||||
| Claudia Riquelme | — | ||||
| Florinda Méndez | — |