This is the marquee class in IMSA’s WeatherTech Championship Series and will almost certainly produce the Rolex winner. Five international manufacturers supply the machines and most of the ...

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 ...

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 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.

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 ...

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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Need a break? Play the USA TODAY Daily Crossword Puzzle. This weekend also features two IMSA VP Racing Challenge Series races. The 45-minute sprints will begin at 2 p.m. Saturday and 1:20 p.m. Sunday.

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 ...

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 ...