Excelling in international competition, she was a five-time gold medal winner in individual and relay freestyle events at the European Championships.

She attended Académie de Nice, and grew up in Miramas, France, 35 miles Northeast of Marseille.

In France, she trained with Cercle Des Nageurs de Marseille where she was coached and mentored by Mathieu Burban.

At the end of her college career at Texas A&M, she entered the European Championships held in Glasgow in 2018 and won her first gold medal in international competition.

[3] Gastaldello attended Texas A&M University and swam for the Aggies Swimming team from 2014-2018, where she was trained and managed by Hall of Fame coach Steve Bultman.