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

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 ...

IMSA president John Doonan says that GTP manufacturers tell him they want to hire American drivers, but where will those drivers come from? Being elbowed out by drivers who get their training in ...

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

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.

The IMSA grid for 2025 is filled to brim with new teams, returning faces and expanding classes as excitement begins to brew for next year. The 2025 IMSA WeatherTech SportsCar Championship full ...