The Rock The Loch Half Marathon

The Rock the Loch Half Marathon is a running event taking place from June 27 to June 30, 2025, at Lake Chabot Regional Park in Castro Valley, CA. Participants can choose to run in person or virtually, with options for a half marathon, 10K, and 5K distances. The event promises scenic trails, quality post-run snacks, and unique swag, including a race woodallion, a lifestyle tee, and a beer sampler stein.

The course features a mix of paved and trail paths, catering to various running preferences. Registration is available online, and participants are encouraged to enjoy the beautiful natural surroundings. Visit the organization's website for the most recent information.