Mathieu van der Poel, nicknamed "The Flying Dutchman", is a Belgian-born Dutch professional cyclist who currently rides for the UCI WorldTeam Alpecin–Premier Tech. He competes in cyclo-cross, mountain biking, gravel and road racing disciplines of the sport. In the yellow jersey at the 2021 Tour de France after stages 2–7 — 6 stages, June 27 to July 2, taking it from Julian Alaphilippe. Wiki link