Embark on an unforgettable journey through the heart of Northern California's "golden hills" with the Cool Moon 100 Mile Endurance Run on June 13, 2026, in Cool, CA. This challenging 100-mile race, known for its beautiful yet demanding course, tests runners with approximately 13,600 to 14,770 feet of elevation gain and loss. The course unfolds across two alternating loops—a 13.5-mile North loop and an 11.5-mile South loop—which runners will complete four times each, traversing a mix of single track and fire roads. Prepare to navigate sections of the historic Western States trail, discover amazing backcountry single track, and run south toward the American River, all on an exceptionally well-marked course that has garnered praise from past participants.

The Cool Moon 100 is renowned for its welcoming and inclusive atmosphere, coupled with a generous 37-hour cutoff time designed to support runners of all paces. Runners consistently praise the race's excellent and frequent aid stations, strategically placed every 2-5 miles and fully stocked with water, Hammer Nutrition products, ice, soda, and a variety of snacks to fuel your journey. Pacers are permitted after the third loop (mile 38.5), providing crucial support during the latter stages, while crews can assist runners at the central Cool Staging Area, the hub for the start and finish. Typical race day conditions in mid-June feature average highs around 84°F and lows near 56°F, with a minimal 3% chance of precipitation, highlighting the potential for a warm, yet clear, running experience.

Finishing this formidable race earns you a coveted, one-of-a-kind silver buckle, custom-created by legendary Silversmith James Stegman of Comstock Heritage. The Cool Moon 100 Mile Endurance Run is more than just a race; it's a testament to endurance, a well-organized event offering a unique challenge and a strong sense of community. Whether you're seeking to test your limits or achieve a significant ultrarunning accomplishment, the Cool Moon 100 promises an unforgettable adventure on the trails of Cool, California.