38th Annual Mt. Diablo Challenge – October 3rd, 2021

We are optimistic that we will be able to have a grand Mount Diablo Challenge this year. The event is scheduled for October 3, 2021, the first Sunday in October 2021. Registration will open June 1, 2021.   


The Mount Diablo Challenge is a 11.2 mile timed cycling hill climb to the summit.


Event details can be found at www.MountDiabloChallenge.org


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