June ultramarathons in Switzerland

Historic 100km ultramarathon in Biel-Bienne with night-time running and options for individual or team participation

Alpine ultrarunning series featuring rugged night trails, technical ascents, glacial valleys, and panoramic mountaintop scenery

Steep mountain trails through Parc Ela with glacier views, tranquil lakes, and dramatic alpine scenery in Graubünden’s Val Surses region