Register for the 2025 Colorado Rockies Six-Pack of Peaks Challenge, a self-paced hiking challenge that begins January 1, 2025 and ends December 31, 2025. 

Explore new mountains, test your limits, level up your outdoor experience, and expand the boundaries of what you are capable of. 

Complete the hikes on a schedule that works for you. You can hike them in six days, six weeks, or take the entire year. The hikes start easier and work up to longer and more challenging climbs. 

The Classic challenge peaks begin with easier front range climbs, working up to higher, more challenging hikes. 

The Extra Spicy peaks can include off-trail navigation, Class 2 or 3 scrambles, extra long mileage, or a combination of the three.

There are 12 peaks to choose from— pick any six to complete the challenge or hike them all.