Riders await the start of Saturday’s annual Sonoma Gran Fondo bicycling event, Ride to Revel. The three rides, for 10-, 45- and 65-miles, started in the Plaza. Project Sport, the sponsor organization for the event, expected more than 1,000 cyclists to participate in the fund-raising event. Forty percent of the net proceeds from the event will be donated to Sonoma Valley Fund and shared equally among all 22 of its nonprofit partner organizations.