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Lake Chabot Trail Challenge

Name: Lake Chabot Trail Challenge
Start: 2025-06-01
End: 2025-06-01
Location: Castro Valley

Castro Valley, United States • 1 Jun 2025

The 2025 Lake Chabot Trail Challenge features a Half Marathon and a 5K run, taking place in Castro Valley, California. This annual event, now in its 41st year, is popular among trail runners and offers scenic courses with views of Lake Chabot, Mt. Diablo, and the San Francisco Bay.

The Half Marathon is a hilly loop primarily on dirt fire roads, while the 5K is an out-and-back route with gentle rolling hills. Participants can enjoy amenities such as water stations and first aid support. Awards are given for finishers and top age division competitors. Visit the organization's website for the most recent information.

United States California Castro Valley

Race information

Registration

13 mi

Half Marathon

5 km

5k Run

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Dec 28

Brazen New Year's Eve

The Brazen New Year's Eve event offers participants the chance to run a half marathon, 10K, or 5K at Lake Chabot in Castro Valley, California. This event is designed for runners of all levels, including hikers and walkers, making it a perfect way to close out the year with friends and fitness. Parti..

Wednesday Jan 1

Brazen New Year's Day

The Brazen New Year's Day event offers a scenic and invigorating start to the new year with races at Lake Chabot in Castro Valley. Participants can choose from a half marathon, 10K, or 5K, making it a family-friendly occasion. The event encourages runners to kick off their resolutions and enjoy the ..

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...

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Saturday Jan 25

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Saturday Feb 1

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San Jose - 26 mi from Castro Valley

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