Brazen New Year's Eve

Castro Valley, United States • 27 Dec 2025

Brazen Racing’s Almost New Year’s Eve is a trail-running event at Lake Chabot in Castro Valley, California. Runners may choose from a Half Marathon, 10K, or 5K, with hikers and walkers welcome. The race navigates Lake Chabot’s scenic trails, delivering a festive, outdoor atmosphere as participants close out 2025 with miles and smiles. The site also highlights additional perks—free photos, a celebratory vibe, and a chance to return on New Year’s Day for the Brazen New Year Mega-Medal. For the more adventurous, fans can pursue the Brazen New Year Marathon, featuring two half marathons on separate days. Visit the organization's website for the most recent information.

Race information

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