The 2021 IMSA Prototype Challenge season kicked off Saturday afternoon at Daytona International Speedway. Moritz Kranz was driving for...

The IMSA Prototype Challenge concluded the 2020 season Friday morning at Michelin Raceway Road Atlanta. K2R Motorsports Naveen Rao and...

With only two races left in the IMSA Prototype Challenge season, every position is crucial. Saturday at Mid-Ohio Keith Grant won the pole...

On Sunday morning, the IMSA Prototype Challenge raced the 3.270-mile Virginia International Raceway for the Michelin GT Challenge at VIR....

The IMSA Prototype Challenge kicked off a busy Saturday for IMSA at Road America. On the pole for the race were the number 40 Forty7...

For the first time since running at Daytona International Speedway in January, the IMSA Prototype Challenge kicked off a busy day in...