Brazen New Year's Day

Castro Valley, United States • 1 Jan 2026

Brazen New Year's Day 2026 is a scenic running event held at Lake Chabot in Castro Valley, California. Participants can choose from a half marathon, 10K, or 5K race, all set on invigorating trails that welcome the first sunrise of the year. The event offers a festive atmosphere, encouraging runners to start their year actively and healthily.

Runners who also participate in the Brazen New Year's Eve race can earn a special New Year Mega Medal. The event supports the East Bay Regional Parks Campership Program, adding a charitable aspect to the celebration. It is a perfect way to embrace the new year with fitness and community spirit. 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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