Thanks to commissions from IMSA and Lamborghini Squadra Crose, EVERY race at this weekend’s Continental Road Race Showcase event at Road America has its own Official Spotter Guide. The guide was last updated August 5th at 3am EDT
- IMSA WeathTechSportsCar Championship
- IMSA Continental Tires SportsCar Challenge
- IMSA Porsche GT3 Cup Challenge USA
- Lamborghini Blancpain Super Trofeo North America
Thanks to IMSA and Lamborghini.