Brazen Almost New Year's Eve

The Brazen Almost New Year's Eve event in 2025 features a variety of running options, including a half marathon, 10K, and 5K, taking place at Lake Chabot in Castro Valley, California. This event is designed for runners of all levels, whether you're aiming for a personal best or just looking to enjoy a scenic trail run. 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 through donations. Visit the organization's website for the most recent information.