Brazen New Year's Eve

DEC
31
2026
New Year's Eve at Lake Chabot in Castro Valley offers trail races on December 31, 2026, with a half marathon, 10K and 5K; walkers and hikers are welcome and free photos are provided.
Thu 31 Dec 2026
Half Marathon 10 kilometers 5 kilometers

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New Year's Eve: Brazen Racing

New Year's Eve is a trail race event organized by Brazen Racing at Lake Chabot in Castro Valley, California, held on December 31, 2026. The event offers timed race options over multiple distances and takes place on the park trails around the lake.

Available distances include:

  • Half marathon
  • 10K
  • 5K

Hikers and walkers are welcome to use the course. The event page notes an option to run a reverse course on the following day to earn a Brazen New Year mega medal. For participants seeking a longer challenge, the Brazen New Year Marathon is described as completing two half marathons, one on December 31 and one on January 1.

Volunteer opportunities are part of the event organization, and volunteer photographers provide free photos from the race. Official race results are published after the event. Sponsors support the event and are acknowledged by the organizer.

The description focuses on location, date, course type, distance choices, and related event options without specific start times. Visit the organization's website for the most recent information.

Half Marathon
Half Marathon
10 km
10k
5 km

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Trail half marathon in Brisbane, California on October 3, 2026 with 2,400 ft elevation gain, summit views, aid stations and a cupless policy.
21st Annual Garin Park XC Challenge at Garin Regional Park is a USATF Pacific Association cross country meet with about 5K courses featuring hills, scenic views, and a half mile flat finish.
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