The main race, which will allow the bravest to cross all the symbolic locations of Val Grosina.
Start at 5 in the morning, ascent up to the Croce di Storile, passage to the Lake of the Scattered Waters and then descent to Eita (first time gate). From here, with about 24 km and 2000 m of positive elevation gain already in your legs, begins the climb that will take you up to the Vermulera Pass (2734 m a.s.l., highest point of the entire race), passing through the hamlet of Vermulera (1940 m a.s.l.), the Tres small lakes (2200 m a.s.l.) and the splendid Venere Lake (2410 m a.s.l.). The descent to the locality of Pian del Lac (2325 m a.s.l.) is steep but very runnable.
It's now time to enter the wild Val di Sacco, along the technically most complex section of the entire route, which after about 5km will lead you to Sapelaccio lake (2580 m a.s.l.), and from there to the characteristic Bivacco Duilio. A slope initially very steep, then gradually more regular, leads to touch the Malghera farm building (1964 m a.s.l., second time gate), from which you will climb the other side until the homonymous majestic lake, to bypass and then return to Malghera and head back towards Val di Sacco, soon diverting onto the trail that in about 8km of continuous and challenging undulations, the last muscular section, will allow you to reach the splendid alpine pasture of Biancadino (2260 m a.s.l.). The real climb is finally over, and athletes will finally be able to relax their legs and unleash the remaining energy along the descent leading to Fusino (1200 m a.s.l., last refreshment), through truly spectacular trail sections touching the localities of Fopp. From here, along an asphalt stretch that borders the homonymous dam, you rejoin the road leading to San Giacomo, where the last part of the race begins. The view of the Visconteo Castle will be the last gift before the finish line, a sweet and well-deserved reward for all athletes who cross it.