Brazen New Year's Eve
Date and time
Friday, January 1, 2027
Location
17600 Lake Chabot Road, Castro Valley, CA
Date and time
Friday, January 1, 2027
Location
17600 Lake Chabot Road, Castro Valley, CA
Date and time
Friday, January 1, 2027
Location
17600 Lake Chabot Road, Castro Valley, CA
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.
5K
10K
Half marathon