Kastner Cup 2024 – Sonoma, California
The 2024 Kastner Cup is coming to Sonoma Raceway. Triumph will be the featured marque of the Sonoma SpeedTour. In addition to the Kastner Cup the weekend will feature Sportscar Vintage Racing under the auspices of SVRA, classic Corvettes, Alfas, Porsches, Historic F.1 and Indy cars racing on this legendary track. SpeedTour will also feature racers and cars from Trans Am, and International GT (IGT)