The 20th Annual Motul Petit Le Mans was the 2017 edition of the Petit Le Mans automotive endurance race, held on October 4–7, 2017, at the Road Atlanta circuit in Braselton, Georgia, United States. It was the 12th and final race of the 2017 WeatherTech SportsCar Championship, and the fourth Petit Le Mans run since the formation of the WeatherTech SportsCar Championship in 2014.