It was a snowy and grabby day in Oberstdorf, Germany, for Stage 4 of the Tour de Ski (TdS). The temperatures were sitting right around freezing, making it challenging conditions for dialing kick wax. Many racers skied on zeros for this 10-kilometer classic mass start. But throughout the race, many women appeared to be struggling to find the right amount of kick as slipping on the hills was a common theme for some. U.S. Ski...