Proto-GT Challenge 2026 Season 1

A multi-class series featuring both GT and prototype cars, the Proto-GT Thrustmaster Challenge is all about powerful sports cars. Choose your weapon - the HPD ARX-01c, Ford GT, Chevrolet Corvette C6.R GT1, or Aston Martin DBR9 GT1 - and battle for supremacy in some of the fastest GT cars ever produced. This series is open to iRacers with a Road license of C or higher.