Fantine Lesaffre is a competitive swimmer who represents France internationally.
2017 Short Course European Championships
Lesaffre took bronze in the 400 IM with a time of 4:30.68, marking her first major international medal.
2018 Long Course European Championships
In Glasgow, Lesaffre set the French record (4:34.17) en route to the gold medal in the 400 IM, her first international championships title.
2018 Short Course World Championships
In Hangzhou, Fantine earned the bronze medal in the 400 IM with a personal best time of 4:27.31, tying the French record. She also posted a 2:08.27 in the 200 IM heats, finishing 10th, and 2:25.07 in the 200 breaststroke, finishing 17th.