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

IMSA “Win the Weekend” presented by Michelin is back for its third season. Episode 1 of season 3 is now available to stream ...

Tower protested the penalty, but it was denied by IMSA. “Racing can be cruel but governing bodies can be far worse,” Bourdais wrote on social media. He explained a damper that controls ride ...

The No. 24 RLL BMW M Hybrid V8 set the fastest time of testing before this weekend's 24 Hours of Daytona. Courtesy of IMSA The International Motor Sports Association (IMSA) is having a moment.

In a two-year period where Roger Penske’s racing teams and drivers have claimed a Rolex 24 At Daytona victory, the IMSA WeatherTech SportsCar Championship Grand Touring Prototype (GTP ...