Brazen New Year's Eve

Castro Valley, United States • 27 Dec 2025

Event overview

Almost New Year's Eve is a Brazen Racing event at Lake Chabot in Castro Valley, California. The race is scheduled for 12/27/25. The event takes place on the trails around Lake Chabot and welcomes hikers and walkers as well as runners.

Race details and related offerings

Distances offered:

  • Half marathon
  • 10K
  • 5K

Brazen Racing also offers a separate New Year's Day race at Lake Chabot and a "Brazen New Year Marathon" option that combines two half marathons (listed as occurring on 12/28 and 1/1). Race results and free photos are available after the event. The event lists sponsors including GU and Optigenix, and it uses volunteer photographers and volunteers to support the race. 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

Experience scenic single track trails under redwood canopy and along ridgelines at the Woodside Ramble. Distances from 10K to 50K offer a challenging, festive trail day; the event is sold out.

Celebrate New Year’s Day with scenic loop races at Lake Chabot, from half marathon to 10K, 5K and remote options on rolling trail terrain. Enjoy free race photos and earn a New Year Mega Medal if you also ran Brazen New Year’s Eve.

Run scenic trails through Hacienda Hills at Almaden Quicksilver Park with distances for every level, from kids runs to ultramarathons. Take in Bay Area views, use on course aid and day of race registration, and earn a commemorative finisher..

Run through redwood forests at Huddart Park with distances from a short 8K to a challenging 50K, plus a free kids dash. Expect scenic single track routes, friendly aid stations and a welcoming trail community.