Save The Event For Later Mt. Diablo Hill Climb Time Trial Walnut Creek, CA, Sat Jul 21, 2012 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: Walnut Creek, CA 94598 Presented by Kovarus/Wells Fargo Racing Team USA Cycling Permit # Pending This is a past event. If you wish to see the details for this past event click "Continue" below. If you are looking for a current event, please search the event calendar .