Porsche Motorsport North America is launching a new one-make championship, the Porsche Endurance Challenge North America.

Sanctioned by the Speedway, Indiana-based United States Auto Club (USAC), the four-event championship will include three 60-minute races and a single six-hour endurance race.

Each round will feature a category for the Porsche 911 GT3 Cup car and a class for the Porsche 718 Cayman GT4 RS Clubsport. Cars currently authorized to race in either the USAC-sanctioned Porsche Sprint Challenge North America by Yokohama or the Porsche Sprint Challenge USA West by Yokohama are eligible to enter the Porsche Endurance Challenge North America.

The series will begin on May 26, with a 60-minute round at the Circuit of The Americas, and conclude on November 22 with a six-hour endurance race at the Austin, Texas, facility.

For more information, visit usacracing.com or porsche.com.