The IMSA racing series head back to California for the penultimate race of the 2019 season. The race is hosted at the Mazda Raceway Laguna Seca, a 2.238 mile track near Monterey in central California. All drivers of the WeatherTech Sports Car Championship, Michelin Pilot Challenge and Protoype Series will take part in the event, with WTSCC having to prepare for a 10-hour race.