June 7, 2026
Castro Valley, USA
The 42nd annual Lake Chabot Trail Challenge features a scenic, hilly half marathon loop mainly on dirt fire roads with ridge-line views of Lake Chabot, Mt. Diablo, and San Francisco Bay, plus a 5K out-and-back on mostly paved surfaces with gentle rolling hills. This race is well regarded amongst serious trail runners in the outlying areas.
Everything below adapts to your choice
Start time
08:00 AM
The information shown here is based on the most recent listing we could find, and may change. Always confirm details on the event's official site before registering.