Brazen Almost New Year's Eve

DEC
27
2025
Read all about the Brazen Almost New Year's Eve on 27 Dec 2025 in Castro Valley.
Sat 27 Dec 2025
Half Marathon 10 kilometers 5 kilometers

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About the race

Brazen Almost New Year's Eve 2025 is a trail-running weekend in Castro Valley, California, at Lake Chabot. The event offers three distances—1/2 marathon, 10K, and 5K—on trail courses around Lake Chabot. It benefits the East Bay Regional Parks Campership Program.

The organizer offers back-to-back races on Saturday, December 27, 2025, with a second day on New Year's Day, 2026, and runners can tackle both to earn the Brazen New Year Mega-Medal (each race requires separate registration). A Remote option is available for distance runners who can't attend in person. The atmosphere welcomes first-time trail runners and seasoned racers alike. Visit the organization's website for the most recent information.

Half Marathon
Half Marathon
10 km
10k
5 km

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