L’Ultra Trail Lago d’Orta is a sporting event in program in October in the city of Omegna. From 2010, the race hosts more than a thousand trail-runners coming from all over the world that challenge each other in 5 different types of races (140, 100, 70, 60, and 17 kilometers) that are all on trails that are immersed in nature on the hills that surrounds Lake Orta.