Gran Maratón Montañas de Benasque: the largest trail running event in the Pyrenees

The Benasque Mountains Grand Marathon (GMMB) returns in 2025, consolidating its position as one of the most anticipated events on the mountain running calendar. On June 14 , runners from around the world will gather in the heart of the Aragonese Pyrenees to participate in this exciting competition, which this year celebrates its tenth edition.
GMMB 2025 offers three challenging routes that stand out for their beauty and rigor:
- The Great Marathon (42K): With a positive elevation gain of 2,640 metres, this race crosses five beautiful valleys in the Aragonese Pyrenees: Estós, Literola, Vallibierna, Ardonés and Benasque.
- The Estivafreda Peak Direct (28K): With a positive elevation gain of 1,550 meters, this route takes runners to Estivafreda Peak, offering spectacular views and a technical challenge.
- The Vuelta al Valle de Estós (19K): With a positive elevation gain of 678 meters, this race is perfect for those looking for an intense but shorter experience.
Enjoy this incredible experience in the heart of the Aragonese Pyrenees by staying at SOMMOS Hotels!
Special offer for participants