Red Rock DID NOT kill Lane Frost . At the Cheyenne Frontier Days Rodeo in Cheyenne, Wyoming, on July 30, 1989, Frost got off a Brahma bull named Takin' Care of Business after a successful 85-point ride. Lane Frost died on July 30, 1989, at the age of twenty-five. Numerous individuals would have fought hard to achieve prominence in their profession. Professional bull rider Lane Frost was killed in 1989 during Cheyenne Frontier Days from injuries sustained while riding the bull Takin Care of Business.