Ullman turned the runways, taxiways and access roads into a circuit, and the Sam Collier 6 Hour Memorial race took place on ...

Sebring International Raceway isn’t the most awe-inspiring track in the world, let alone in the United States. Today, the ...

IMSA officials have already docked the Valkyrie by nearly 15 horsepower in the new Balance of Performance released after ...

Porsche Penske Motorsport seeks to extend its championship lead at the 2025 IMSA Twelve Hours of Sebring after a strong start in Daytona.

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.

A new racing surface, Goodyear tires and course design -- shorter without a long straightaway -- await the drivers. Using the ...

When the NASCAR Cup Series races at Circuit of the Americas (COTA) this Sunday in Austin, Texas, the road course will look different than in years past.

When it comes to the track layout of IndyCar's Firestone Grand Prix ... with the recent pre-season test that took place at the Sebring International Raceway. Interestingly, the Sebring test ...

The NASCAR Cup Series heads to the Lone Star State this weekend for road course racing in Austin, Texas. The Circuit of The Americas plays host to the third rac ...