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Doomsday - Cool, CA

Cool, United States • 13 Dec 2025

The Doomsday event in Cool, California, offers 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. Participants enjoy high-quality finisher medals, race shirts, and surprises along the route. Aid stations are strategically placed, and the event limits entries to 200 runners, creating an intimate and supportive atmosphere for endurance athletes. Visit the organization's website for the most recent information.

United States California Cool

Race information

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