At a time when many racing series' growth is flat, IMSA is adding manufacturer after manufacturer, and fans are lining up to watch the on-track action.

The No. 63 Automobili Lamborghini Squadra Corse SC63 will run at this week’s IMSA Sanctioned Test at Sebring International ...

Ferrari has laid out the programs for its roster of factory drivers for a range of championships across the United States, ...

The Chicago-born won the Rolex 24 at Daytona in 1973, 1975, 1977, 1979, and 1991 and is a two-time IMSA GT Championship title holder.

Harry Gamble has completed Elite Motorsport’s four-car entry for the 2025 Protyre Motorsport Ginetta GT Championship.

No. 80 Lone Star Racing Mercedes-AMG GT3 Team and Co-Drivers Dan Knox, Scott Andrews and Eric Filgueiras Participate in ...

Also referred to as “power gain,” officials of the WeatherTech Championship are adopting ... In both GTP and GT, it’s an effort by IMSA to consider straight-line speed in addition to the ...

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 ...