At the Winter Olympics in 2018, Gauché finished 22nd in the downhill and twelfth in the combined.

[3] Her first World Cup podium came in February 2023 in a downhill at Crans-Montana, Switzerland.

Born in Moûtiers, Savoie, Gauché was a student at Middle School Saint Exupery in Bourg-Saint-Maurice, France, and attended High School Jean Moulin in Albertville.

In 2017, she obtained a two-year diploma in marketing techniques from Annecy University Institutes of Technology.

This biographical article relating to alpine skiing in France is a stub.