IMSA officially announced the 2026 schedules for both the IMSA WeatherTech SportsCar Championship and IMSA Michelin Pilot ...

The International Motor Sports Association (IMSA) has revealed its 2026 calendar at the Mobil 1 Twelve Hours of Sebring for ...

The prototype classes in the World Endurance Championship and IMSA WeatherTech SportsCar Championship have more differences than you might think.

The new addition to the Grand Touring Prototype category will pit a roaring engine against a field of hybrids as the prototype platform from the WEC Series makes its IMSA debut.

IMSA President John Doonan has teased further growth for IMSA’s GTP class in the coming years during today’s pre-Rolex 24 press conference. Doonan spoke directly about the potential for ...

IMSA GTP teams now use this tool to enhance their simulator sessions, enabling them to accurately replicate tire warm-up, the effects of track temperature, and how car setups influence both tire and ...

Seven weeks have felt like an eternity but at last, the IMSA WeatherTech SportsCar Championship is back in action this ...

This weekend, the 2025 IMSA season gets back underway with another one of the sanctioning body's crown jewels. Between IMSA's ...

There’s a deeper historical precedent between the current GTP and the version that put IMSA on the worldwide map in the 1980s. Inarguably, the original GTP cars were as technically sophisticated ...

In LMDh, which is designated as the GTP class by IMSA, there are four approved suppliers of standard chassis—Dallara, Ligier Automotive, Multimatic and Oreca. Hypercars can be powered by a ...