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