CNN Fit Nation

New Fit Nation story: The new Colorado Classic, the highest bike race in North America, is the Lollapalooza of professional bike racing.

Classic racing returns to most cycle-loving state in America

Fit Nation: Around the World in 8 Races Season 2 begins! The Susitna 100 winter endurance race can take up to 48 hours through snow and ice in the wilderness outside Anchorage.

Ski, bike or run in Alaska's 100-mile call of the wild