 In 50 years of driving, he amassed nearly 3 million miles without an accident, which included 42 coast-to-coast trips across the continental US.Two of them were speed runs, however, after 1931, he confined his efforts strictly to the track.Born in 1883, Jenkins, a Utah building contractor, got his start driving a Studebaker in 1925 when he raced a Union Pacific train from Salt Lake City to Wendover beating the smoke-belcher by five minutes.