Mammut Pro Team Athlete Dani Arnold has set a new record time on the north face of the Grandes Jorasses. At the end of July, the 34-year old climbed the Walker Spur (4,208 meters) in the Mont Blanc massif on the Cassin route in 2 hours and 4 minutes. He now holds speed records on two out of the three legendary north faces in the Alps. For the third summer in a row, Dani has been focusing on the Grand Jorasses north face project. In 2016 and 2017, weather conditions made any attempt impossible. Then, on July 27, 2018, it all finally came together: Dani caught a good weather window and good c...