Brazen Almost New Year's Eve

The Brazen Almost New Year's Eve event offers a variety of running options, including a half marathon, 10K, and 5K, taking place at Lake Chabot in Castro Valley, California. Scheduled for December 27, 2025, this event is perfect for runners looking to complete their year with a final race or to kick off their New Year’s resolutions early. Participants can also register for a second event on New Year's Day to earn a special Mega-Medal.

Registration fees vary based on the distance and timing, and the event supports the East Bay Regional Parks Campership Program. Visit the organization's website for the most recent information.