開催日 ラウンド サーキット
2020/7/4 Rd.2 Indianapolis Motor Speedway
2020/7/12 Rd.3-4 Road America
2020/7/19 Rd.5-6 Iowa Speedway
2020/8/9 Rd.7 Mid-Ohio Sports Car Course
2020/8/23 Rd.8 Indianapolis 500 Mile Race
2020/8/30 Rd.9 World Wide Technology Raceway at Gateway
2020/9/13 Rd.10 Portland International Raceway
2020/9/20 Rd.11-12 WeatherTech Raceway Laguna Seca
2020/10/3 Rd.13 Indianapolis Motor Speedway
2020/10/25 Rd.14 Streets of St. Petersburg