開催日 ラウンド サーキット
2019/03/10 Rd.1 Streets of St. Petersburg
2019/03/24 Rd.2 Circuit of the Americas
2019/04/07 Rd.3 Barber Motorsports Park
2019/04/14 Rd.4 Streets of Long Beach
2019/05/11 Rd.5 Indianapolis Motor Speedway Road Course(5/11)
2019/05/26 Rd.6 The 103rd Indianapolis 500
2019/06/02 Rd.7-8 The Raceway at Belle Isle Park(6/1-2)
2019/06/08 Rd.9 Texas Motor Speedway(6/8)
2019/06/23 Rd.10 Road America
2019/07/14 Rd.11 Streets of Toronto
2019/07/20 Rd.12 Iowa Speedway(7/20)
2019/07/28 Rd.13 Mid-Ohio Sports Car Course
2019/08/18 Rd.14 Pocono Raceway
2019/08/24 Rd.15 Gateway Motorsports Park(8/24)
2019/09/01 Rd.16 Portland International Raceway
2019/09/22 Rd.17 WeatherTech Raceway Laguna Seca