4 x 400 m Relay, Women
| Competition | 1990 South American Athletics U18 Championships |
|---|---|
| Venue |
Lima
 PER
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Chile |  CHI |
3:54.8 | ||
| Paula Amestica | — | ||||
| Hannelore Grosser | — | ||||
| Clara Morales | — | ||||
| Lisette Rondón | — | ||||
| 🥈 | Brazil |  BRA |
3:58.1 | ||
| Lila Da Silva | — | ||||
| Shirley Ferreira | — | ||||
| Kelly De Oliveira | — | ||||
| Marilia De Souza | — | ||||
| 🥉 | Ecuador |  ECU |
4:06.9 | ||
| Janeth Caizalitín | — | ||||
| Mayra Carchi | — | ||||
| Ondina Rodríguez | — | ||||
| Corina Trelles | — |