WOP Challenge Bilbao-Bizkaia

The WOP Challenge Bilbao-Bizkaia is an international team event organised by the Fundación The Walk On Project, with start and finish in Bilbao on 24 and 25 October 2026. The route runs through Bizkaia and combines relays, strategy and logistics; its social purpose directs the proceeds to the fight against neurodegenerative diseases. The edition brings together the competitive formats FULL and 1DAY, for running and trail, as well as a non-competitive walk. FULL offers 226 km across 19 stages, with teams of 2 to 12 participants and daytime and night-time activity. 1DAY and the walk cover 57 km during the day; the first allows teams of 2 to 5 people and the second, of 2 to 8.