Videos Videos Jornet Running Down the Matterhorn: Teaser Clip August 26, 2013 Climbing Share this Facebook Icon Twitter Icon Email Icon Join Climbing Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Join Climbing Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In "Kilian-Jornet-Running-Down-Matterhorn" Get access to everything we publish when you sign up for Outside+.