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 ...

Porsche Penske Motorsport on Sunday won the Rolex 24 at Daytona for the second consecutive year, and third time overall, to ...

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 ...

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

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 ...

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

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 ...

The closing hour of the 63rd Rolex 24 began to resemble the type of racing that has made Daytona synonymous with NASCAR and ...