100 m Backstroke, Women
| Competition | 2021 South American Aquatics Championships |
|---|---|
| Venue |
Buenos Aires
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Isabella Arcila |  COL |
1:02.08 | ||
| 🥈 | Maria Pessanha |  BRA |
1:02.71 | ||
| 🥉 | McKenna DeBever |  PER |
1:02.88 |