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Cool Moon 100 Mile Endurance Run

Cool, United States • 14 Jun 2025

The Cool Moon 100 Mile Endurance Run is a challenging ultramarathon held in Cool, California. The race features a 100-mile course composed of four loops of two distinct trails: a 13.5-mile North loop with approximately 2,200 feet of elevation gain, and an 11.5-mile South loop with about 1,150 feet of elevation gain, totaling around 13,600 feet of elevation change. The course includes single track and fire roads, running through scenic backcountry and historic trails. Runners have a generous 37-hour cutoff to complete the race and earn a unique silver buckle crafted by a renowned silversmith. Aid stations and drop bag locations support participants throughout the event. Visit the organization's website for the most recent information.

United States California Cool

Race information

Website Registration
100 mi
13600 m+
100 Mile
Visit the organization's website for the most recent information.
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