 Dennis Olsen is the defending Drivers' champion and Porsche is the defending Manufacturers' champion.At the annual press conference during the 2019 24 Hours of Spa on 26 July, the Stéphane Ratel Organisation announced the first draft of the 2020 calendar.The only change from 2019 was the North American round moving from WeatherTech Raceway Laguna Seca to the Indianapolis Motor Speedway, primarily because of event permit restrictions at Laguna Seca (which is owned by the local government).