Riverside Road Race

Motorcycle race along hilly straightaway stretch at Riverside International Raceway in Southern California / rider wearing blue riding leathers with white stripes laying in ditch beside motorcycle following accident; rider struggles to stand, falls over bike / motorcycle in ditch, fallen rider wearing black riding leathers being attended to by man / ambulance wagon parked beside black leather rider / SideHack Association t-shirt / young woman with straight blond hair resting on hood of car, watching race while wearing hippie-style clothes of green pants, brown boots, black jacket with flowers / young man wearing black riding leathers, kneeling beside motorcycle, Union Jack helmet / young male greaser-type with slicked black pompadour, sideburns, white t-shirt, leather pants sitting on minibike, man with hippie long blond hair, bushy mustache, Lennon glasses, red bandana helping rider in black leather with bike / people gathered in lot, talking beside motorcycles / CU white man wearing brown cowboy hat, drinking soda from can / young man with long hair, orange knit cap, red jacket standing on tracks, waving checkered flag, walking away / motorcycle race, riders taking bend / rider in black leathers running with bike, turning around / riders laughing, talking in lot / CU white man with sideburns, ponytail, mustache, dark sunglasses, cowboy hat, smoking cigarette / two young women standing by track, talking; one woman holds helmet. Riverside Road Race on January 01, 1970 in Riverside, California (Footage by Getty Images)