Brazen New Year's Day

The Brazen New Year's Day event in 2026 offers participants a choice of three scenic running distances: a half marathon, 10K, and 5K, set against the beautiful backdrop of Lake Chabot in Castro Valley, California. This invigorating race takes place on January 1st, welcoming runners to kick off the new year with a healthy and energetic start. Participants can also earn a coveted New Year Mega Medal by completing both the New Year's Eve race and the New Year's Day event.

Registration is available online, with fees varying by distance and registration date. Visit the organization's website for the most recent information.