Colin Haley makes first solo ascent of the Infinite Spur on Sultana - Mt. Foraker in Alaska

American alpinist Colin Haley has made the first solo ascent the Infinite Spur on Sultana - Mt. Foraker in Alaska. While the ascent required just 12 hours 29 minutes from the Bergschrund to the summit, the descent proved a harrowing ordeal that turned out to be one of the most intense experiences in his life.