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, 13K on NYE and 10K on NYD, and a 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
Where pricing applies, shown amounts include mandatory charges, items, and fees.
NYE 5K
Price changes in 16 days 13 hours-
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Register for NYE 5K$80.18Now registering Oct 25 – Nov 28
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$85.52Nov 29 – Dec 31
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NYE 13K
Price changes in 16 days 13 hours-
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Register for NYE 13K$89.79Now registering Oct 25 – Nov 28
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$95.12Nov 29 – Dec 31
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NYE Half Marathon
Price changes in 16 days 13 hours-
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Register for NYE Half Marathon$109.00Now registering Oct 25 – Nov 28
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$114.34Nov 29 – Dec 31
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NYE Remote
Price changes in 22 days 13 hours-
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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 13K
- Thu, December 31, 2026 9:10 AM - NYE 5K
Contact information
- Event contact
- Race Director
- Website
- Visit website
