The holiday season brings with it festive treats, sparkling lights, and The Radio City Rockettes. And, for many of these high-kicking dancers, running throughout the year ensures they can perfectly execute their routines multiple times a day all season long. In preparation for the Radio City Christmas Spectacular, the women spend months rehearsing for six hours a day, six days a week. During the height of the Christmas season from the beginning of November through the beginning January, the 36 dancers are performing up to four 90-minute shows a day, as many as 17 per week. During this time, their...