Brazen New Year's Eve

Castro Valley, United States • 27 Dec 2025

The Brazen New Year's Eve event, held at Lake Chabot in Castro Valley, California, offers runners and walkers the opportunity to participate in a half marathon, 10K, and 5K trail races. This festive race provides a scenic course through the trails of Lake Chabot, welcoming participants of all levels, including hikers and walkers. It serves as a perfect way to close out the year with a fun and active celebration. Additionally, participants can earn a special Brazen New Year Mega-Medal by also joining the New Year's Day race, making it a unique multi-day running experience. The event emphasizes community, enjoyment, and the spirit of the season. Visit the organization's website for the most recent information.

Race information

13 mi
Half Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
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