Courtesy of IMSA The International Motor Sports Association (IMSA) is having a moment. Buried for decades behind bigger and more-popular racing series, the Florida-based IMSA series is fighting ...

The first 60 minutes and last two hours will air on NBC. USA, IMSA.TV and YouTube will share the middle portions. After that, IMSA, NASCAR’s sports-car cousin, will hibernate for six weeks.

The IMSA grid for 2025 is filled to brim with new teams, returning faces and expanding classes as excitement begins to brew for next year. The 2025 IMSA WeatherTech SportsCar Championship full ...

IMSA president John Doonan says that GTP manufacturers tell him they want to hire American drivers, but where will those drivers come from? Being elbowed out by drivers who get their training in ...

Having attended both F1 and IMSA races, I found some distinct differences, and you might be surprised at what I discovered. F1 cars are built to go insanely fast and are incredibly nimble.

Off-season changes in GTD Pro division of the IMSA Championship promise to make the title chase highly competitive in 2025. “Every driver in this lineup has won with us and we’re laser focused ...

Its carbonfibre bonnet is the first on a production Audi, with its unpainted sections referencing the IMSA-GTO racer. The front bumper is entirely new, featuring a deeper, lower central intake and ...

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IMSA stripped Tower Motorsports of its LMP2 class victory at the Rolex 24 at Daytona because of a technical infraction. The win was awarded to runner-up United Autosports. United is co-owned by ...

McLaren last competed in sportscar racing’s top tier in the 1990s with the F1 GTR, which scored a memorable ... which competes in IMSA’s LMP2 class, the European Le Mans Series’ LMP2 ...