Carlos Sá Nature Events®, in partnership with the Municipal Chamber of Ponte da Barca, will organize the first edition of Serra Amarela Sky Marathon on Portugal’s National Day, 10th June. This event will mark the page of one of the sports that grow the most in the World: running in nature. The races will have the distances of 48 km, 33 km, 23 km and 15 km, starting and finishing in the village of Entre Ambos os Rios. Sky Marathon – 48 km is the main race, and will be part of the Portuguese SKY Cup (Federation of Camping and Mountaineering of Portugal). Sky Running, a variant of Trail Runing, will take its participants along unspoilt paths, preserved villages, castles, rivers and green vegetation, with incredible views over the water mirrors of Albufeira de Vilarinho das Furnas and Albufeira de Tomante, in this mountainous massif in the only National Park of Portugal – the Peneda-Gerês National Park.