Challenge Unlimited

Challenge Unlimited offers cycling and biking adventures in Colorado and in many parts of the most beautiful places in the world.  This year we are celebrating our 25th anniversary guiding bike tours out of Colorado Springs. (Be sure to check out our "25th Anniversary Specials".) We are the oldest and most experienced bike touring company in Colorado and we have created the most exciting tourist attraction in the west.

Our Colorado Tours:

To make a reservation or for more information, please call 1-800-798-5954 or 719-633-6399 or email

Rent a GoPro camera $45.00. Reserve when booking your tour!