The new rules will divide GTD Pro and GTD cars similarly to the already existing GTP and LMP2 class divisions that occur on restarts. All 61 cars in the field were requested by IMSA to participate.

After 10 hours of running on Wednesday at Sebring International Raceway, Porsche Penske Motorsport’s Mathieu Jaminet set the ...

Coming off his IMSA WeatherTech SportsCar Championship debut at the Daytona 24 Hours, Honda factory driver Kakunoshin “Kaku” ...

IMSA stripped Tower Motorsports of its LMP2 class victory at the Rolex 24 at Daytona because of a technical infraction ...

IMSA has many classes, depending on the series. Its main series, the WeatherTech Sportscar Championship, has four classes: Grand Touring Prototype (GTP), Le Mans Prototype 2 (LMP2), GT Daytona Pro ...

When Sebastien Bourdais lambasted IMSA for its post-race demotion of Tower Motorsports from first place in LMP2 over a skid-plate violation, he broke ranks. There’s no racing show like one with ...

"I think their leadership is very engaged, communicates very well, are youthful in their thinking," added Brown, whose privately owned United Autosports team competes in IMSA's LMP2 class.