4 x 100 m Medley Relay, Women
| Competition | 2021 South American Aquatics Championships |
|---|---|
| Venue |
Buenos Aires
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Argentina | ARG |
4:10.56 | ||
| Andrea Berrino | 1:03.31 | ||||
| Julia Sebastián | 1:08.95 | ||||
| Macarena Ceballos | 1:01.32 | ||||
| Lucía Gauna | 56.98 | ||||
| 🥈 | Colombia |  COL |
4:11.31 | ||
| Isabella Arcila | 1:01.92 | ||||
| Karina Vivas | 1:10.29 | ||||
| Valentina Becerra | 1:01.71 | ||||
| Daniela Gutiérrez | 57.40 | ||||
| 🥉 | Brazil |  BRA |
4:12.44 | ||
| Maria Pessanha | 1:03.13 | ||||
| Gabrielle da Silva | 1:11.00 | ||||
| Luanna de Oliveira | 1:00.42 | ||||
| Fernanda Andrade | 57.89 |