The North Face Ultra-Trail du Mont-Blanc® (UTMB) boasts 9,600 meters of elevation gain over the course of a 166km trail that circumnavigates this majestic peak in the French Alps. As the race rapidly approaches, team ultrarunner Hal Koerner hits the streets of Chamonix to get his body in top performing condition. Stay tuned for the conclusion of Hal's adventure at UTMB August 25-31, 2014.