Léon Marchand brilliantly rose to the challenge at the Paris 2024 Olympics, securing four titles by winning the 400m individual medley, 200m butterfly, 200m breaststroke, and 200m individual medley. Léon Marchand is a French swimmer born on May 17, 2002, in Toulouse. He is regarded as one of the brightest rising stars in global swimming. … Coloring Olympics: Léon Marchand and his 4 gold medals in the 400m individual medley, 200m butterfly, 200m breaststroke, and 200m individual medley.