4 x 400 m Relay, Women
| Competition | 1990 South American Athletics U20 Championships |
|---|---|
| Venue |
Bogota
 COL
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Brazil |  BRA |
3:45.12 | ||
| Maria Dória | — | ||||
| Lucimara Machado | — | ||||
| Fátima Dos Santos | — | ||||
| Luciana Mendes | — | ||||
| 🥈 | Colombia | COL |
3:53.21 | ||
| Flor Robledo | — | ||||
| Janeth Lucumí | — | ||||
| Silva | — | ||||
| Rosa Segovia | — | ||||
| 🥉 | Venezuela |  VEN |
3:58.12 | ||
| Yosira Sequera | — | ||||
| Naile González | — | ||||
| Paula Yáñez | — | ||||
| Josefa Castro | — |