Aston Martin plans to be the first team to use a Le Mans Hypercar to compete in GTP.
JDC-Miller MotorSports debuted its Porsche 963 this past weekend at Laguna Seca–the first privateer entry in GTP.
IMSA is giving you the chance to go behind the scenes of the all-new GTP class.
Cadillac shows off the liveries for its three-car GTP/LMDh lineup ahead of the Rolex 24.
2023 Sebring 12 Hour tickets go on sale soon.
John Doonan became the president of IMSA five years ago. How have those years been, and what's in store for the future? We ask Doonan to find out.
