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.

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 ...

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 ...

Under this agreement, 2elle-engineering will supply bespoke monoblock forged aluminum wheels engineered to meet the specifications of both ACO and IMSA for the LMDh Hypercar regulation.

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 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 ...