The Mount Diablo Challenge is a 11.2 mile timed bike ride, starting at Athenian School in Danville and climbing up Southgate Road 3,249 feet to the summit of Mount Diablo. 1,000 cycling enthusiasts compete and prizes are awarded for several categories in a ceremony at the summit with food and beverages for all. All proceeds benefit Save Mount Diablo’s landconservation efforts.
Waves start at 8:30am and registration is $75 for a limited time. Details and registration here: