About This Event
Set against the iconic backdrop of the Matterhorn, this multi-day trail running festival brings together runners from around the world for one of Switzerland's most challenging mountain running experiences. The event takes place in Zermatt, offering multiple distances that showcase the dramatic Alpine terrain of the Valais region. The 2025 edition broke new ground with over 4,000 participants, marking a record turnout that speaks to the event's growing international reputation. Each course presents its own unique challenge, from technical night running to demanding sky routes that push runners to their limits in the high Alps. The next Matterhorn Ultraks is scheduled for August 21-23, 2026, promising another weekend of world-class mountain trail running in one of Europe's most spectacular settings.