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

starting with McLaren Racing CEO Zak Brown, whose company is preparing to build new cars to race in IMSA's top GTP class, ...

When looking down the entry list for this weekend’s Rolex 24 At Daytona, with its GTP class filled with factory teams and GTD ...

Get ready for the 2025 IMSA WeatherTech SportsCar Championship with your FREE digital season preview magazine from RACER.

the alignment of racing classes globally (in conjunction with the World Endurance Championship) has helped open new doors in sports car racing and IMSA has made the most of its opportunities.

IMSA President John Doonan said this weekend at Daytona International Speedway that 89 cars applied for entry into this ...

From the unmistakable shrill howl of the four-rotor 1991 Mazda RX-7-001 GTO to the thundering Chevrolet V-8 growl of a 1985 ...

First introduced to the WeatherTech GTP class, GTD Pro and GTD will sport similar hardware at the Rolex 24 making it easier to mandate and adjust performance.

IMSA is introducing a two-stage Balance of Performance equation that aims to even the playing field between acceleration and top speed. The new BoP is modeled after the system introduced by the ...

the alignment of racing classes globally (in conjunction with the World Endurance Championship) has helped open new doors in sports car racing and IMSA has made the most of its opportunities.