IMSA president John Doonan says 11 of the 12 race weekends in 2024 enjoyed record attendance. Daytona is next with a November test, January Rolex 24.

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 IMSA WeatherTech SportsCar Championship includes 10 races in 2025. The season begins with the Rolex 24 at Daytona this ...

DragonSpeed has announced the signing of Giacomo Altoe to drive the GTD PRO No.81 Ferrari 296 GT3 for the remainder of the ...

Perhaps the most impressive part of how long Roman De Angelis has been a member of the IMSA community is realizing he’s only ...

This weekend’s IMSA-sanctioned test at Daytona International Speedway provides competitors in the IMSA WeatherTech SportsCar Championship ... we’ll be with the GT classes tomorrow – just ...

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

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 ...

After a dominant start to the VP Racing SportsCar Challenge season, Wright Motorsports has confirmed Adam Adelson will compete in the full 2025 championship, piloting the No. 24 Porsche 911 GT3 R (992 ...