Tough mountain trail ultra through the Bavarian Alps with either 100km, 4500 m of climbs and 18 hrs. time limit or 100 miles, 7500 m of climbs and 33 hrs.time limit. Despite the tough time limit great family spirit, each runner is taken care of individually. Course balances technical very difficult and steep sections with fast sections. You need to be mountain climber AND runner at the same time!