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Doomsday - Cool, CA

Cool, United States • 13 Dec 2025

The Doomsday event in Cool, California, offers runners a challenging 50K and a Half Marathon on a scenic course with significant elevation gains—5,100 feet for the 50K and 1,250 feet for the Half Marathon. Both races start at the Cool Staging Area and feature generous cutoff times (9.5 hours for the 50K and 5 hours for the Half Marathon), welcoming hikers and allowing trekking poles. The course includes multiple aid stations for the 50K and one for the Half Marathon. Participants receive high-quality finisher medals and race shirts, with custom trophies awarded to top finishers. The event limits entries to 200 runners, ensuring an intimate and supportive atmosphere. Visit the organization's website for the most recent information.

United States California Cool

Race information

Registration Facebook
50 km
5100 m+
50k
13 mi
1250 m+
Half Marathon
Visit the organization's website for the most recent information.
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