IMSA has established the Balance of Performance for the GTP and GT classes for next weekend’s Roar Before the Rolex 24, confirming the use of a two-stage system in both the top class prototypes and ...

No, that’s not a typo!” headlined the release announcing Turner Motorsport’s 2025 IMSA plans, as the most experienced BMW ...

As we stand on the precipice of the 2025 IMSA WeatherTech SportsCar Championship season, it’s impossible not to feel a ...

Grand Touring Prototype (GTP) is the pinnacle of endurance racing in IMSA. Hear as drivers explain the finer details of their ...

The new-for-2025 rules, as laid out in the updated sporting regulations, states that the minimum drive time will be reduced ...

A Swedish Audi fanatic seems to think so, too, and has gone to extreme lengths to transform a workaday Audi 90 into the IMSA GTO version of that car. Not wanting to go the stripe-and-bodykit route ...

Former AMA Pro Superbike racer Larry Pegram and his 20-year-old daughter Riley Pegram are teaming up in IMSA car racing.

Whether in WEC or IMSA, the Ganassi cars have shown promising pace that’s sometimes been thwarted by pure bad luck, such as Renger van der Zande’s enormous crash at the 6 Hours of Spa while ...

I have been chasing race cars since the first Michigan 500 in 1981. The winning overall team in this year’s Rolex 24 At Daytona was hammered by sanctioning body IMSA on Wednesday for major rules ...

Source: Imagn NASCAR, the stock car racing competition, is also home to IMSA, the sports car racing divison. IMSA, which is based in Daytona Beach, is a four-class car series championship that ...