400 m, Women
| Competition | 1985 South American Athletics U20 Championships |
|---|---|
| Venue |
Santa Fé
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | María Croatto | ARG |
54.80 | ||
| 🥈 | Carmen Mosegui |  URU |
54.81 | ||
| 🥉 | Ismenia Guzmán |  CHI |
55.60 |