GTP and GT classes will see an additional variable added into the equation meant to even out the performance playing field.

The first 60 minutes and last two hours will air on NBC. USA, IMSA.TV and YouTube will share the middle portions. After that, IMSA, NASCAR’s sports-car cousin, will hibernate for six weeks.

While Field’s last start in IMSA-sanctioned competition came in 2011 with his own team, the Ohio native made a racing comeback in Radical Cup North America and also took part in last year’s HSR ...

One of the more unique-looking Jaguar racers, the IMSA-based XJR-10 ... although they were unable to beat the overwhelming Nissan GTP ZX-Turbo cars driven by Geoff Brabham for a championship ...

In GTDX, Adelson’s No. 24 Wright Motorsports Porsche 911 GT3 R was again the class of the field. After winning by more than ...

Courtesy of IMSA The International Motor Sports Association (IMSA) is having a moment. Buried for decades behind bigger and more-popular racing series, the Florida-based IMSA series is fighting ...

IMSA arranged for 27 high school students who excel in STEM programs to come to the speedway to educate the teens on how many opportunities exist in motorsports for those interested in science ...