2017 WeatherTech SportsCar Championship season

The 2017 WeatherTech SportsCar Championship was the 47th season of International Motor Sports Association (IMSA) GT Championship that traces its lineage to the 1971 IMSA GT Championship, and the fourth as the WeatherTech SportsCar Championship. It began on 28 January with the 24 Hours of Daytona, and ended on 7 October with the Petit Le Mans.

The class structure remained largely unchanged from 2016.

The 2017 schedule was released on 5 August 2016 and features twelve rounds.

The first 3 hours of the 24 Hours of Daytona and Long Beach will be broadcast on Fox. The other rounds will all be broadcast on Fox Sports 1, Fox Sports 2, and Fox Sports GO.

The Prototype class is made up of LMP2 cars both in LMP2 trim, with the ACO specification Gibson V8 engine, and in Daytona Prototype International (DPi) trim, where manufacturers are allowed to use certain body panels designed to reflect the automaker's design language, and run their own engines. Mazda (Riley Technologies), Cadillac (Dallara), and Nissan (Onroak Automotive) run chassis from the respective manufacturers featuring manufacturer-specific bodywork.

All entries use an Oreca FLM09 chassis powered by a LS3 6.2 L V8 engine.

Bold indicates overall winner.

Championship points are awarded in each class at the finish of each event. Points are awarded based on finishing positions as shown in the chart below.

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