100 m Backstroke, Women
| Competition | 1978 South American Aquatics Championships |
|---|---|
| Venue |
Guayaquil
 ECU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Claudia Bellotto |  ARG |
1:09.97 | ||
| 🥈 | Ligia Barosa |  BRA |
1:10.25 | ||
| 🥉 | Silvana Barbato |  URU |
1:10.2 8 |