IMSA has published a 56-car provisional entry list for the Sahlen's Six Hours of the Glen, which is set for Sunday, June 22.

The largest IMSA WeatherTech SportsCar Championship grid since the Mobil 1 Twelve Hours of Sebring in March is back in action ...

It was testing time again for the IMSA WeatherTech SportsCar ... with two cars, and Action Express with one. In GT3—with the classes being GT and GT Pro—the Ford Mustangs topped the timesheet ...

While the cars are identical, IMSA divides its GT3 cars into two classes, GT Daytona and GT Daytona Pro. GT Daytona cars must have some amateur drivers, while a GTD Pro car can be driven by all ...

Having attended both F1 and IMSA races, I found some distinct differences ... Grand Touring Prototype (GTP), Le Mans Prototype 2 (LMP2), GT Daytona Pro (GTD Pro), and GT Daytona (GTD).

Earlier this month, IMSA ... at Daytona in preparation for next year. All classes, with particular focus on the GT category. We have a ‘balance of performance’ with all the different cars ...

The 61st Rolex 24 at Daytona is a 24-hour endurance race featuring the top drivers from IMSA as well as ... classes to the near-street-car, GT3 entries in the GTD Pro and GTD classes, the ...

It blended Grand-Am GT entries with GT3 cars to form one class. Today, IMSA follows the FIA Group GT3 format and rules, including dividing GTD into two categories: GTD PRO and GTD. The amateur ...

and two sports-car classes — Grand Touring Daytona Pro (GTD PRO) and Grand Touring Daytona (GTD). Preliminary events: The IMSA Michelin Pilot Challenge, split into Grand Sport (GS) and Touring ...

The Corvette C8.R race cars will compete for the 25 th consecutive season in the IMSA GT Daytona (GTD) Pro class, formerly known as the Daytona Prototype international (DPi) class, while also ...