Having attended both F1 and IMSA races, I found some distinct differences, and you might be surprised at what I discovered.

Unusual shows of passion, non-traditional viewing platforms added up to a winning Rolex 24 for the glass offices at IMSA.

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

Honda has made a big change to its IMSA program for 2025 which affects everything it does on and off the track, and could ...

Hyundai and Bryan Herta Autosport secure a historic 1-2 finish at Daytona, marking their first win in IMSA TCR history.

The IMSA WeatherTech SportsCar Championship features by far the highest level of technology in American motorsport. It’s therefore no surprise that a growing number of America’s leading technology ...

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 ...

A skid block under the No. 8 Tower Motorsports car was deemed too thin, which could provide aerodynamic advantages. The ...

There was not even a car or team in the room. He did not mention IMSA or the Rolex 24 ... The new developments at Daytona and the following Ford announcement in Charlotte are a refreshing break ...

Elana: Milner just released a T-shirt with that image on it, and the proceeds go to a bird sanctuary!

As HRC becomes more involved with Acura's IMSA campaign, Meyer Shank gets off to a great start in the Rolex 24.

McLaren Racing is eyeing expansion into sports car racing and it is unclear what impact that might have on its Formula E and ...