The Latest Breaking News from IMSA

Ryan Hardwick has announced he will switch to a WEC entry with Proton Competition and reduce his IMSA GTD program to just Michelin Endurance Cup rounds in light of IMSA’s reluctance to adjust its GTD Balance of Performance to bring the Porsches up to speed.

This year’s centenary Le Mans 24 Hours will be fought out by 16 cars entered in the Hypercar category, the highest total in the top class since 2011.

DAYTONA BEACH, Fla. — As retirements go, Jimmie Johnson's hiatus from NASCAR could best be compared to the dating rationalization, "We were on a break."

After its wild premiere at the La Coliseum, the NASCAR Cup season proper kicks off this weekend with the Daytona 500. Here are the six major changes to look out for in the new campaign

Chip Ganassi Racing Cadillac’s Renger van der Zande sounded bullish after a two-day IMSA test at Sebring International Raceway, but it was Acura the set the pace.

After its wild premiere at the La Coliseum, the NASCAR Cup season proper kicks off this weekend with the Daytona 500. Here are the six major changes to look out for in the new campaign

Glickenhaus says it has suffered “huge” financial damage due to IMSA’s decision not to allow its 007 Le Mans Hypercar to race in its SportsCar Championship.

Penske believes it can overcome the problems that hit its Porsche 963 LMDh on debut at the Daytona 24 Hours in time for its next outings at Sebring in March.

LOS ANGELES — Flames shot up inside NASCAR Cup Series driver Ty Gibbs’ Toyota while the 20-year-old practiced for the Clash inside the LA Coliseum. As Gibbs pulled over, unhooked his belts and hurried out the window, AMR safety vehicles navigated the unique quarter-mile temporary circuit — a track that…