[2][4] She studied when she was a teenager in collège Pithou, Troyes in a musical section Classe à horaires aménagés en musique, danse, théâtre ou arts plastiques [fr].

[citation needed] Fraincart started rowing in Troyes, France, at the Société Nautique Troyenne.

[9][10] In October 2019, Fraincart qualified for the single sculls event at the Games,[2][4] after finishing fourth at the African qualification tournament.

[17] On 12 May 2022, the Nouvelle Union Populaire écologique et sociale invested Fraincart as its candidate in Aube's 2nd constituency for the 2022 legislative election.

She is a member of the La France Insoumise party and a supporter of the left-wing political leader Jean-Luc Mélenchon.