Mairot started playing hand ball at HBC Marnaysien.

[1] In the 2016/2017 season she became a part of the second team, which played in the French third tier.

[3] She debuted for the French national team in October 2024 against Hungary.

Her first major international tournament was 2024 European Women's Handball Championship, where she finished 4th with the French team.

Her mother, Lucille Mairot and her aunt, Sandrine Delerce, where also professional handball players.