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Brazen New Year's Day

Castro Valley, United States • 1 Jan 2026

Event overview

Brazen New Year's Day 2026 is organized by Brazen Racing and takes place on January 1, 2026 at Lake Chabot in Castro Valley, California (17936 Lake Chabot Lane). The event features races that loop around Lake Chabot and is part of the Brazen Ultra Half Series. The series' half marathons often measure longer than 13.1 miles and include ascents, descents, and trail sections. Free race photos are provided by volunteer photographers. Runners who complete the Brazen New Year's Eve race in addition to this event are eligible for the New Year Mega Medal.

Race distances, registration and logistics

The event offers the following options:

  • Half Marathon
  • 10K
  • 5K
  • Remote Runner

Current registration prices listed for the main registration window are approximately $109.00 for the half marathon, $89.79 for the 10K, $80.18 for the 5K, and $66.30 for the remote runner option. A hiker start is available for half marathon participants who expect to take longer than 3.5–4 hours. The event is staged at Lake Chabot in Castro Valley and is organized by Brazen Racing. Visit the organization's website for the most recent information.

United States California Castro Valley

Race information

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