400 m Freestyle, Women

Competition	1964 South American Aquatics Championships
Venue	Guayaquil ECU
Held	—
Status	Medal
Competitors	3
Countries	2

Pos	Athlete(s)	Country	Mark
🥇	Graziela del Rio	ARG	5:11.3
🥈	Alicia Rodríguez	ARG	5:14.6
🥉	Fanny Vallaza	ECU	5:19.4