California · 5K · 10K · 13.2 Miles
Brazen New Year's Eve
Brazen New Year's Eve is a 5K, 10K and 13.2 Miles event held in Castro Valley, California. Its next confirmed date is Friday, January 1, 2027.
- Race day
- January 1, 2027
- Location
- Castro Valley, CA
Race details
- Date
- Friday, January 1, 2027
- Location
- Castro Valley, California
- Distances
- 5K, 10K, 13.2 Miles
- Course
- 2075 ft gain
- Registration
- runsignup.com
- Official website
- brazenracing.com
Registration, course & weather
- Registration status
- Open
- Start time
- 8:30 AM PST
- Course profile
- Loop course; Road surface; 2075 ft gain (estimated from third-party elevation data)
About the Brazen New Year's Eve
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 separ…
More 10Ks in California
Coming up next, by confirmed date.
More races in Castro Valley
More upcoming races in California
-
Dia De Los Muertos Half Marathon & 5K Run/Walk (Bakersfield)Bakersfield, CAHalf Marathon5K2 Mile Speed Walk
Keep exploring
- All races in California
- 5Ks in California 459 upcoming races
- 10Ks in California 316 upcoming races
- Half Marathons in California 197 upcoming races
- Marathons in California 41 upcoming races
- 5Ks in the United States 6,417 upcoming races
- 10Ks in the United States 2,755 upcoming races
- January races in California
- 10Ks in Arizona 72 upcoming races
- 10Ks in Oregon 32 upcoming races
- 10Ks in Nevada 35 upcoming races
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Brazen New Year's Eve: common questions
- When is the Brazen New Year's Eve?
- The next confirmed date is Friday, January 1, 2027.
- Where is the Brazen New Year's Eve held?
- In Castro Valley, California.
- What distances does the Brazen New Year's Eve offer?
- 5K, 10K and 13.2 Miles.
- How do I register for the Brazen New Year's Eve?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Brazen New Year's Eve?
- Yes — registration is open. Listed fee for the longest distance, $100 (from runsignup.com, checked October 30, 2026).
- What time does the Brazen New Year's Eve start?
- 8:30 AM PST.
- What is the course like at the Brazen New Year's Eve?
- Loop course; Road surface; 2075 ft gain (estimated from third-party elevation data).
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.