The format for the PC and Cooper Tires Prototype Lites event at Kansas Speedway has been released. (Photo: IMSA)

The format for the PC and Cooper Tires Prototype Lites event at Kansas Speedway has been released. (Photo: IMSA)

Prototype Challenge competitors will be in for a unique two-segment race in next month’s TUDOR United SportsCar Championship round at Kansas Speedway.

IMSA confirmed Friday the format of the combined PC and Cooper Tires Prototype Lites event, which will see a pair of aggregate 45-minute sprint races on the 2.37-mile oval/road course.