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.

Race information

21 km
Half Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
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