It was a series for Le Mans Prototypes (LMP) and Grand Touring (GT) race cars divided into 4 classes: LMP1, LMP2, GT1, and GT2.
The Grand Prix of Atlanta returned once more, once again shortly after the 12 Hours of Sebring.
† - The #8 B-K Motorsports entry failed to finish but completed enough laps to score points.
Points are awarded to the top 10 finishers in the following order:[4] Exceptions were for the 4 Hour Monterey Sports Car Championships was scored in the following order: And for the 12 Hours of Sebring and Petit Le Mans which award the top 10 finishers in the following order: Cars failing to complete 70% of the winner's distance are not awarded points.
Teams only score the points of their highest finishing entry in each race.