Speed Ski MountaineeringPosted on 29. May 2017 Speed Ski Mountaineering – The highest peaks in Switzerland and France in one tour Please enable JavaScript Speed Ski Mountaineering – The highest peaks in Switzerland and France in one tour A very special adventure to proof their endurance: Beni Hug and Tony Sbalbi climbed Dufour Spitze and Mont Blanc in one tour in less than 50 hours!