Brazen New Year's Day
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Brazen New Year's Day
Brazen New Year's Day is held on January 1, 2027 at Lake Chabot in Castro Valley, California (17600 Lake Chabot Road). The event offers in-person and virtual options across multiple distances.
- 5K : entirely on paved trails; out-and-back course
- 10K : about 50% paved trails and 50% dirt trails; out-and-back course
- Half marathon (13.2 miles) : approximately 30% paved trails and 70% dirt trails; loop course
- Remote Runner (virtual) : virtual participation option
All courses include rolling hills that are mostly runnable. The half marathon has a course time limit of 4.5 hours and requires participants to reach the aid station at mile 10.7 by 11:45 am.
Registration opens for all options on January 18, 2026. Registration for the 5K, 10K and half marathon closes on October 3, 2026; registration for the Remote Runner virtual option closes on December 5, 2026. Listed registration fees are $68 for the 5K, $77 for the 10K, $95 for the half marathon, and $50 for the Remote Runner option. Visit the organization's website for the most recent information.