May 30, 1976:Janet Guthrie finishes 15th in the World 600 at Charlotte in her first Cup race. Guthrie's NAPA/Regal Ride Chevrolet is one of 23 cars running at the finish, completing 379 of 400 laps. David Pearson leads 230 of the 400 laps and wins under caution, with Richard Petty second and Cale Yarborough third. The top three finishers combine to lead all but six laps of the race.