The Duathlon Cros de Reis takes place in Vimianzo, Galicia, combining running and cycling in a natural setting. Participants can choose from several formats. The SuperSprint is a shorter option suitable for beginners. The 30 km format offers a longer challenge. The event starts at Vimianzo Castle. The course includes a route to Camariñas, a fishing village famous for its bobbin lace. Post-race activities include enjoying local Galician seafood. The Duathlon S involves a 5.4 km road run, a 21 km mountain bike ride, and a 3.6 km road run. The SuperSprint consists of a 1.8 km road run, a 9.8 km mountain bike ride, and an 800 m road run. The Duathlon TOP and Duathlon XS formats are also available.