4 x 100 m Relay, Women
| Competition | 1975 South American Athletics U18 Championships |
|---|---|
| Venue |
Quito
 ECU
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Argentina |  ARG |
47.9 | ||
| María Elvira Fernández | — | ||||
| Adriana Freiberg | — | ||||
| Adriana Calvo | — | ||||
| Susana Perizzotti | — | ||||
| 🥈 | Brazil |  BRA |
48.1 | ||
| Bárbara dos Nascimento | — | ||||
| Rosemary Heller | — | ||||
| Esmeralda Garcia | — | ||||
| Maria Amorim | — | ||||
| 🥉 | Chile |  CHI |
48.4 | ||
| María Paz Ábalos | — | ||||
| Bernardita Ábalos | — | ||||
| UNKNOWN | — | ||||
| Carolina Cox | — |