The Frigid Digger is an annual event run on the trails and roads west of Montana Tech. There is a 3 and 7.3 mile event. Runners 14 years or younger have discounted registration. Packet pick-up and race day registration will begin at 9:00 a.m. inside the HPER lobby. Walkers are welcome in the 3 mile event. There are cash prizes for overall male and female winners. Race proceeds are donated to Montana Tech Digger Cross Country. Beat the winter blues and enjoy this challenging trail race!