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.
Registration fees
Prices are inclusive of mandatory charges, items, and fees
NYE 5K
Price changes in 7 months 16 hours-
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Register for NYE 5K$74.84Now registering Jan 18 – Oct 24
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$80.18Oct 25 – Nov 28
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$85.52Nov 29 – Dec 31
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NYE 10K
Price changes in 7 months 16 hours-
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Register for NYE 10K$84.45Now registering Jan 18 – Oct 24
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$89.79Oct 25 – Nov 28
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$95.12Nov 29 – Dec 31
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NYE Half Marathon
Price changes in 7 months 16 hours-
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Register for NYE Half Marathon$103.66Now registering Jan 18 – Oct 24
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$109.00Oct 25 – Nov 28
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$114.34Nov 29 – Dec 31
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NYE Remote
Price changes in 8 months 10 days-
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Register for NYE Remote$55.63Now registering Jan 18 – Dec 4
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$60.96Dec 5 – Dec 31
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Event schedule
- Thu, December 31, 2026 7:30 AM - NYE Hiker start (for those walking the half marathon, planning to take longer than 3.5-4 hours)
- Thu, December 31, 2026 8:30 AM - NYE Half Marathon
- Thu, December 31, 2026 8:55 AM - NYE 10K
- Thu, December 31, 2026 9:10 AM - NYE 5K
Contact information
- Event contact
- Race Director
- Website
- Visit website