Brazen New Year's Eve Half Marathon / 10K / 5K
Castro Valley, California, United States
Dec 31, 2026 - Thursday
5k, 10k, Half-marathon
Race Information
The Brazen New Year's Eve races will be held at Lake Chabot in Alameda County. The 5K is entirely on paved trails, while the 10K is around an equal mix of paved and dirt trails. The half marathon is approximately 30% paved trails and 70% dirt trails. The 5K and 10K are out and back courses, while the half marathon is a loop. All courses include rolling hills that are mostly runnable.
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👍 Run Pick of the Month: Golden Gate Half Marathon
📍San Francisco - Sunday November 1, 2026
😄 Why We Like This Run
✅ The ultimate bucket-list experience
✅ Be part of an amazing community
✅ A distance for everyone
Join the 24th annual #RunTheBridge, a beloved San Francisco tradition that brings together runners of all levels for a world-class weekend. Whether you take on the 13.1-mile half marathon or the scenic 5K, you'll experience an incredible, high-energy atmosphere in the heart of the city.
The course offers a unique tour of San Francisco, blending urban charm with stunning waterfront paths. Most importantly, you’ll cross the iconic Golden Gate Bridge twice, treating you to uninterrupted, sweeping views of the skyline and the bay for an unforgettable journey across a world-famous landmark.
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Race Facts
Race Size: 500 - 1,000
Elevation: Fast and Flat
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
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