White Mountains 100

The White Mountains 100 is an extreme endurance event set in Alaska's rugged backcountry, offering participants a challenging 100-mile journey through diverse terrains, including ridges, meadows, and frozen waterways. Competitors can choose to run, ski, or bike, with a time limit of 40 hours to complete the course. The race features a loop starting at Wickersham Dome, encompassing over 8,000 feet of elevation gain and showcasing stunning landscapes.

Participants must be self-sufficient and experienced in winter endurance travel, facing potential challenges such as harsh weather and wildlife encounters. Aid stations are available approximately every 20 miles. Visit the organization's website for the most recent information.