Brazen New Year's Day

Castro Valley, United States • 1 Jan 2026

Event overview

Brazen New Year’s Day 2026 is a trail running event at Lake Chabot in Castro Valley, California, held on January 1, 2026. The event offers multiple distances around the lake and on local trails. The half marathon entry is included in the Brazen Ultra Half Series. The race location is listed as 17936 Lake Chabot Lane, Castro Valley, CA 94546, United States.

Distances

  • Half marathon
  • 10K
  • 5K
  • Remote runner

The event description notes trails and scenic running around Lake Chabot. The organizer also promotes a related Brazen New Year’s Eve race and a New Year Mega Medal for participants who combine events.

Registration, services and other details

Registration uses tiered pricing. Listed fees include ranges such as $103.66 to $114.34 for the half marathon, $84.45 to $95.12 for the 10K, $74.84 to $85.52 for the 5K, and $60.96 to $66.30 for the remote runner option. The site references bib pick-up, volunteer opportunities, free photos from volunteer photographers, and published race results. Fundraising is available through the East Bay Regional Parks Campership Program. Contact information is provided via the event website. Visit the organization's website for the most recent information.

Race information

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

Races at Coyote Hills Regional Park in Fremont include a half marathon, 10K and 5K along mixed dirt, paved and boardwalk trails by the bay. Courses have minimal climbing and provide marsh and shoreline views.

Trail running event at Almaden Quicksilver County Park offering distances from a kids run to a 50K. Longer courses enter Sierra Azul and include summits of Bald Mountain or Mt. Umunhum.

Run the stunning coastal trails around Rodeo Beach at the Golden Gate Trail Run, with distances from 8K to 50K to suit all levels. Expect rugged singletrack, stocked aid stations, generous finisher medals, and unforgettable views.

Scenic races at San Leandro Marina on February 14, 2026, with half marathon, 10K, 5K and a remote runner option. The mostly flat bayside course stays close to the water and offers views of San Francisco and the Bay.