She is still today the best French female skier ever with a unique record both in Olympic and World Cup competitions. Second in the special slalom after her sister in 1964, she won ahead of Christine in the giant slalom. Four years later in Grenoble she was again a winner. She won the gold medal for the special slalom that she had missed by a whisker in Innsbruck ! The title remained in the family. In between, Marielle set about collecting victories in World Cup events, seven in all.