Brazen New Year's Eve - NYE 5K
Also in this race
These events were grouped as one card in discovery—pick another distance or date without going back.
External Event
Distance
3.1 mi
Pace
All paces
Terrain
Road
Difficulty
All Levels
About this run
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. Note: This year we will have back-to-back events at Lake Chabot, Castro Valley with a 5K, 10K and half marathon! New Year's Eve, Thursday, 12/31/2026 New Year's Day, Friday, 1/1/2027* Make it a double and join us both days and earn the Brazen New Year Mega-Medal! *Note: Each race is a unique event on its own and requires separate registration.
Typical conditions
For events around January 2027 in Castro Valley, CA, United States: Typical mid-winter / cooler season in this region — dress in layers and check the official page for weather-related changes.
How to prepare
Most runners can prepare for a 5K with a few weeks of easy runs and one short faster session per week. Focus on consistency, not volume, and rest the day before race day.
Beginner's guide to your first 5KGetting there
This event is listed in Castro Valley, CA, United States. Confirm the exact start venue, parking, and transit options on the official registration page.
Registration is handled by the official event organizer
Know a local group? Host a community run in Castro Valley
Also in this race
- Jan 1, 2027 · 1:30 PM
- Jan 1, 2027 · 2:30 PM
- Jan 1, 2027 · 2:55 PM
- Jan 1, 2027 · 3:10 PM (this one)
