FAT Bike Race held at Big Hill Nordic ski area 8 miles south of Spearfish. This is a 13 mile race on groomed single track 30 Dec and proceeds a 25 mile the following day 31 Dec with awards for top finishers combined times. Award Ceremony will be a “Z-Bar” after the 2nd race in downtown Spearfish. The start of each days race is run in conjunction with a snowshoe and Nordic ski race with all starting at the same time on different courses.