Brazen Almost New Year's Eve

Brazen Almost New Year's Eve 2025 is a trail running event held at Lake Chabot in Castro Valley, California. It offers three race distances: a half marathon, 10K, and 5K, catering to runners of various levels. The event provides an opportunity to enjoy scenic trails in the East Bay Regional Parks while preparing for the new year.

Participants can also opt for a remote race option. The event encourages runners to join both this race on December 27 and the New Year's Day race to earn a special Brazen New Year Mega-Medal. The atmosphere is festive and supportive, ideal for both first-time trail runners and seasoned athletes. Visit the organization's website for the most recent information.