400 m, Women
| Competition | 1978 South American Games |
|---|---|
| Venue |
La Paz
 BOL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Alejandra Ramos |  CHI |
56.68 | ||
| 🥈 | Nancy Vallecilla |  ECU |
59.05 | ||
| 🥉 | Blanca Ibáñez | BOL |
59.17 |
| Competition | 1978 South American Games |
|---|---|
| Venue |
La Paz
BOL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Alejandra Ramos | CHI |
56.68 | ||
| 🥈 | Nancy Vallecilla | ECU |
59.05 | ||
| 🥉 | Blanca Ibáñez | BOL |
59.17 |