https://racer.com/2018/07/27/2019-pi...les-announced/
2019 Pirelli GT World Challenge
March: Austin
April 27-28: Virginia
May 18-19: Mosport Park
June 8-9: Sonoma
Aug 31-Sept 1: Watkins Glen
Sept 21-22: Road America
Oct 5-6: Grand Finale
GTS Pirelli World Challenge
March 9-10: St. Petersburg
April 27-28: Virginia
May 18-19: Mosport Park
June 8-9: Sonoma
July 13-14: Portland
Aug 31-Sept 1: Watkins Glen
Sept 21-22: Road America
Oct 5-6: Grand Finale
GT4 America East
March 9-10: St. Petersburg
April 27-28: Virginia
May 18-19: Mosport Park
Aug 31-Sept 1: Watkins Glen
Sept 21-22: Road America
GT4 America West
April 6-7: Palm Springs
May: California TBD
June 8-9: Sonoma
July 13-14: Portland
Oct 5-6: Grand Finale