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Mount Diablo Challenge

East Bay's "Best Uphill Bike Ride"

Mount Diablo Challenge will take place on October 8, 2017

Registration is now open. Learn more and register at



After 11 Years Hosting the Mount Diablo Challenge, Save Mount Diablo Passes the Torch to Valley Spokesmen Bicycling Club – Ensuring the Beloved Premier East Bay Cycling Event Lives On to Benefit Land Conservation

After 11 years proudly hosting the Mount Diablo Challenge, a premier East Bay cycling event which draws hundreds of participants annually, Save Mount Diablo is pleased to announce that Valley Spokesmen Bicycling Club will take over organization of the cycling event starting in 2017.

 This transition will ensure the Mount Diablo Challenge and its legacy to support the protection of the Mount Diablo area will live on, while also allowing Save Mount Diablo to put more of its limited time and energy into strategic land conservation efforts. Thanks to the generous support of CA Technologies and the Nathan M. Ohrbach Foundation, Save Mount Diablo will continue to be a beneficiary of the event, allowing it to further land conservation in the Mount Diablo area for the benefit of all. 

Valley Spokesmen are seeking to increase participation in the Mount Diablo Challenge by appealing to the broader cycling community, with an emphasis on family participation. Valley Spokesmen intend to keep up the tradition of giving back to the community, both by donating proceeds from this event to the preservation of Mount Diablo through their partnership with Save Mount Diablo, and the continued encouragement of local cycling events.


Jane Moorhead,
Valley Spokesmen Bicycling Club
(925)980-9889 //

Karen Ferriere,
Save Mount Diablo
(925) 947-3535 //



Nathan M. Ohrbach Foundation

2016 Event Photos


MDC 2016 | GALLERY 1
Photographs by Scott Hein.
View Here

MDC 2016 | GALLERY 2
Photographs by Caleb Castle. 
View Here

  Credits | Legal StatementCopyright 2012 Save Mount Diablo. Designed by Alison Martin. Funded by Clif Bar.