The Rock the Loch 5K/10K/Half Marathon
Castro Valley, California, United States
Jun, 2027 (TBD)
5k, 10k, Half-marathon
Race Information
Rock the Loch features a flat, fast, paved 5K, a hybrid 10K (50% trail/50% road), and a half marathon with a nice mix of hills, trails, paved paths, and amazing views. No matter what distance you tackle, you get an awesome race woodallion, a lifestyle tee, post-race snacks, beverages, and beer!
Related Events
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Date: Dec 6, 2026 - Sunday
Size: 100 - 500 participants
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The Rock the Loch 5K/10K/Half Marathon
Date: Jun, 2027 (TBD)
Size: 100 - 500 participants
Location: Castro Valley, California
The Honey Badger Half & 5K/10K
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π Run Pick of the Month: Golden Gate Half Marathon
πSan Francisco - Sunday November 1, 2026
π Why We Like This Run
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The ultimate bucket-list experience
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Be part of an amazing community
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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, youβll 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.
Free Plan for Beginner Runners
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Race Facts
Race Size: 100 - 500
Elevation: Some Hills
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
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