100 m Breaststroke, Women
| Competition | 2021 South American Aquatics Championships |
|---|---|
| Venue |
Buenos Aires
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 4 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Julia Sebastián | ARG |
1:08.93 | ||
| 2 | Melissa Rodríguez |  MEX |
1:09.25 | * | |
| 🥈 | Macarena Ceballos | ARG |
1:09.49 | ||
| 🥉 | Karina Vivas |  COL |
1:10.22 |