Brazen New Year's Day
Castro Valley, United States • 1 Jan 2026
Brazen New Year's Day 2026 : Lake Chabot, Castro Valley
Brazen New Year's Day 2026 is scheduled for January 1, 2026 at Lake Chabot in Castro Valley, California. The event offers multiple race distances on trails around Lake Chabot and is organized by Brazen Racing.
- Half marathon
- 10K
- 5K
- Remote runner
Registration, series and event services
Entry fees vary by registration period. Listed price ranges are: Half marathon $103.66–$114.34, 10K $84.45–$95.12, 5K $74.84–$85.52, Remote runner $60.96–$66.30. The half marathon is part of the Brazen Ultra Half Series, a series of trail half marathons that include significant ascents, descents and varied trail surfaces. The event references a separate Brazen New Year's Eve race; runners who complete both events are eligible for a New Year Mega Medal. Event services and information include bib pickup, posted results, free photos provided by volunteer photographers, and volunteer opportunities. Sponsors are listed for the event. Visit the organization's website for the most recent information.