Matterhorn Ultraks
The Matterhorn Ultraks is an international skyrunning competition held for the first time in 1982. It runs every year in Zermatt in August, race valid for the Skyrunner World Series till 2010.
The Matterhorn Ultraks is an international skyrunning competition held for the first time in 1982. It runs every year in Zermatt in August, race valid for the Skyrunner World Series till 2010.