ASPEN - The City of Aspen is hosting the first stage in this year's USA Pro Challenge. The race started Monday afternoon.
The first stage brought cyclists from Aspen to Snowmass. They must complete three, 22-mile laps for a total of 66 miles.
Stage 1 is not the most difficult stage compared to the rest of the week.
In Aspen on Sunday, crews were out and about around Aspen setting up for Stage 1.
Festivals were also held in the mountain town.