In 163 days · Fri, Jan 1, 2027
Don't let race day sneak up
One email during race week. That's it.
Friday, January 1st, 2027
17600 Lake Chabot Road, Castro Valley CA
5K · 10K · Half
About this race
Race Overview
Whether you're looking to squeeze in your first trail run or you're looking to log that 1,000th mile before the clock strikes midnight on 12/31/2026, this is your chance.
Event Dates
- New Year's Eve: Thursday, 12/31/2026
- New Year's Day: Friday, 1/1/2027
Race Options
- Distance Choices: 5K, 10K, and half marathon
- Location: Lake Chabot, Castro Valley
Special Offer
Make it a double and join us both days and earn the Brazen New Year Mega-Medal!
Registration Note
*Note: Each race is a unique event on its own and requires separate registration.
More Information
For more details, visit the official race page: Brazen New Year's Eve.
Course map
Train with a club
Run clubs near Castro Valley to train with before race day.
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