While playing in FIBA Europe, Chazalon was a member of the France women's national basketball team from 1963 to 1976 and won a silver medal in the EuroBasket Women 1970 Championship. She played in six EuroBasket Women championships from 1964 to 1976 excluding 1974. In world competitions, Chazalon played in the 1971 FIBA World Championship for Women and 1976 Pre-Olympic Basketball Tournament for Women.