Brazen New Year's Eve

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.