400 m Hurdles, Women
| Competition | 1990 South American Athletics U20 Championships |
|---|---|
| Venue |
Bogota
 COL
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Sandra Izquierdo |  ARG |
1:00.83 | ||
| 🥈 | Maria Dória |  BRA |
1:01.14 | ||
| 🥉 | Lucimara Machado | BRA |
1:02.04 |