Registration Two-Day race Registration ** CTR Ultra **** CTR Gran Marató **** CTR Trail ** Saturday Races Registration ** Marató, 24K and 5K (Kids & Adults) **The Kid's Race is for 9 years and up. In order to participate, it is essential to sign the authorization from parents.Children under 11 years old must run accompanied by 1 adult during the course. Sunday Races Registration ** 23K and 15K **