Nothing stops diehard Colorado athletes from their morning exercise. Not even snow!

This pair didn't let a little snow keep them from running the stairs of Red Rocks. You know those steps had to be slick!

Of course, Colorado is known for winter workouts. On the streets of Boulder, cyclists just add thicker tires to their bikes. Denver runners forge through the puddles and try not to get showered with city water when cars pass by. And at athletic clubs in places like Broomfield and Boulder, athletes swim outside year-round.

Burrrr!