Seck was Senegal's only representative at the 2006 Winter Olympics in Torino, Italy. He finished 55th in the Men's super-G, with a time of 1:42.87, but failed to finish the slalom and giant slalom events. His best result to date came at the Mitterfirmiansreut in Germany in 2006, where he finished fifth in the slalom with a time of 1:21.53.