Teamed with SCCA racers Dave Faust and Kirby Goodman, Marshall drove a Chevrolet Malibu with the 9C1 Police Patrol Package and a 350 cubic inch LT-1 Z-28 Chevrolet Camaro engine, finishing 13th in a field of 47 competitors, completing the run from Darien, Connecticut to Redondo Beach, California in 36 hours, 51 minutes.