Brazen New Year's Eve
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Brazen New Year's Eve : Lake Chabot, Castro Valley
The event is organized by Brazen Racing and is held at Lake Chabot in Castro Valley, California on December 31, 2026. The program offers multiple distances on the park trails and welcomes hikers and walkers.
- Half marathon
- 10K
- 5K
The course uses trails at Lake Chabot. Race results are posted online and free photos are provided by volunteer photographers. Volunteer opportunities are available for those who wish to assist.
Participants have the option to run a reversed course the next day and earn a Brazen New Year Mega-Medal. A separate option called the Brazen New Year Marathon consists of two half marathons, one on December 31 and one on January 1, completed as a combined effort across the two days.
Sponsors support the event and contribute to its operation. Event information pages include course details, frequently asked questions, results, and photo galleries. Visit the organization's website for the most recent information.
