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Doomsday - Cool, CA

Cool, United States • 13 Dec 2025

Doomsday is a challenging running event held in Cool, California, featuring a 50K and half marathon race. Both races start together at the Cool Staging Area and are designed to be hiker-friendly, with generous cut-off times of 9.5 hours for the 50K and 5 hours for the half marathon. The course offers scenic views, significant elevation gains, and multiple aid stations to support participants. Runners receive high-quality medals, race shirts, and the chance to compete for trophies. The event emphasizes a fun, adventurous atmosphere with surprises along the course, attracting up to 200 runners. 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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