In the World Endurance Challenge, only three drivers competed in ten races over the season and two of them were rewarded with first and second in the Challenge. American John Paul, Sr. won the series despite collecting only one win, the final race; the Road America 500 co-driving with his son, John Paul, Jr. in their Porsche 935. Paul raced a variety of Porsches, 935s and a 930 as well as a Mazda RX-3 at the 6 Hours of Daytona touring car race. British driver John Fitzpatrick was just five points behind Paul at seasons finish despite taking three race wins at Sebring, Riverside and Mosport. He had used Porsche 935s and an AMC Spirit in his championship chase. Porsche 935 and Mazda RX-3 racer Dick Barbour finished third, four points behind Fitzpatrick.