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Mt Diablo Challenge

October 05 2025
Danville CA
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Distances: 11.2 miles, 3,249 feet
Difficulty: Moderate terrain with rolling short steep hills or moderate, sustained climbs

This 11.2-mile, timed bike race climbs 3,249 feet to the summit of one of the 3 highest peaks in the Bay Area—Mount Diablo—up South Gate Road. The ride is open to competitive and recreational cyclists and teams! Mount Diablo State Park is closed to traffic for this event and the first waves can ascend without any descending bike traffic. It is a once-a-year opportunity to enjoy riding the mountain without cars!

The Mount Diablo Challenge continues to benefit Save Mount Diablo through donations made by event participants during registration and a generous sponsorship from the Nathan M. Ohrbach Foundation.

Save Mount Diablo Challenge

 
Start Located At: Danville, CA
 
 
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