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 ...

The introduction of the GTP class in 2023 set the stage for IMSA’s resurgence, but 2025 feels like the year when it all comes together. Manufacturers like Acura, BMW, Cadillac, Ferrari ...

This weekend’s IMSA-sanctioned test at Daytona International Speedway provides competitors in the IMSA WeatherTech SportsCar Championship their first chance to work with new equipment or ...

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 ...

21, and Petit Le Mans Season Finale from Michelin Raceway Road Atlanta on Oct. 11 Peacock to Stream All IMSA WeatherTech SportsCar Championship Coverage, Including Coverage of Select Endurance Races ...

The winning overall team in this year’s Rolex 24 At Daytona was hammered by sanctioning body IMSA on Wednesday for major rules infractions. Meyer Shank Racing will be able to keep the victory ...

That's sandbagging, for fans and competitors who think or even accuse teams or drivers of taking it was easy when IMSA officials are setting allowable power levels for the cars. Those power levels ...