Our Colorado Tours:

Colorado offers some of the most breathtaking scenery in the world-- Get a close up look with the knowledgeable guides of Challenge Unlimited. We offer fun cycling tours that range from a few hours to several days.

Pikes Peak by Bike As seen on the today show

Cog Up/Bike down


The Prospector: Take a ride thru history

The Claim Jumper

Tour des Aspens


Pikes Peak by Bike Coupon