400 m, Women
| Competition | 1986 South American Games |
|---|---|
| Venue |
Santiago
 CHI
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Liliana Chalá |  ECU |
54.47 | ||
| 🥈 | Graciela Mardones | CHI |
55.44 | ||
| 🥉 | María Mosegui |  URU |
55.85 |
| Competition | 1986 South American Games |
|---|---|
| Venue |
Santiago
CHI
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Liliana Chalá | ECU |
54.47 | ||
| 🥈 | Graciela Mardones | CHI |
55.44 | ||
| 🥉 | María Mosegui | URU |
55.85 |