400 m, Women

Competition	1990 South American Athletics U20 Championships
Venue	Bogota COL
Held	—
Status	Medal
Competitors	3
Countries	2

Pos	Athlete(s)	Country	Mark
🥇	Luciana Mendes	BRA	55.49
🥇	Luciana Mendes	BRA	54.85
🥈	Claudete de Piña	BRA	55.13
🥉	Rosa Segovia	COL	56.15