The 2019 Blancpain GT World Challenge America was the 30th season of the United States Auto Club's Blancpain GT World Challenge America. It was the first under Blancpain sponsorship, taking over from the longtime Pirelli sponsorship, as part of the standardisation of names of Stéphane Ratel Organisation-run GT3 sprint racing series globally, following the series' acquisition by the SRO Motorsports Group. It was also the last under Blancpain sponsorship, after they and the SRO concluded their partnership at the end of 2019. The season began on 2 March in Austin and ended on 20 October at Las Vegas.
The 2019 Pirelli GT4 America Series was the inaugural season of the GT4 America Series. It took over the GTS class of the Pirelli World Challenge, which adopted global GT4 technical regulations in 2018, and it is a Blancpain GT World Challenge America support series. GT4 America Series is split into a Sprint series, which features 50-minute races with one driver per car, and a SprintX series, which features one-hour races with two drivers per car and a mandatory driver change during Pit stops. Also East and West regional championships are awarded. The season began on 2 March in Austin and ended on 20 October in Las Vegas.
The 2020 Intercontinental GT Challenge was the fifth season of the Intercontinental GT Challenge. The season again features five rounds, starting with the Liqui Moly Bathurst 12 Hour on 2 February and concluding with the Kyalami 9 Hours on 12 December. Dennis Olsen is the defending Drivers' champion and Porsche is the defending Manufacturers' champion.
The 2020 GT World Challenge America powered by AWS is the 14th season of the United States Auto Club's GT World Challenge America, the third season under ownership of the SRO Motorsports Group and the first season without Blancpain sponsorship. The season began on 7 March in Austin and will end on 4 October at Indianapolis.
The 2020 Pirelli GT4 America Series was the second season of the GT4 America Series. The series is split into a Sprint series, which features 50-minute races with one driver per car, and a SprintX series, which features one-hour races with two drivers per car and a mandatory driver change during Pit stops. The season begins on 7 March at Circuit of the Americas and ends on 3 October at Indianapolis Motor Speedway.
The 2020 TC America Series is the second season of the TC America Series. The series consists of 3 classes: TCR, TCA, and TC. All races are 40 minutes in length with 4 per weekend; 2 for TCR & TCA cars, and 2 for TC cars.
The 2021 TC America Series Powered by Skip Barber Racing School was the third season of the TC America Series. The season began on 5 March at Sonoma Raceway and ended on 17 October at Indianapolis Motor Speedway.
James Sofronas is an American racing driver and the founder of Global Motorsports Group.
The 2022 Fanatec GT World Challenge America Powered by AWS was the sixteenth season of the United States Auto Club's GT World Challenge America, and the fifth under ownership of SRO Motorsports Group.The season began at Sonoma Raceway on April 15, and ended at Indianapolis Motor Speedway on October 8.
The 2022 Pirelli GT4 America Series is the fourth season of the GT4 America Series. The season began on April 15 at Sonoma Raceway and will end on October 9 at Indianapolis Motor Speedway.
The 2022 GT America Series will be the second season of the SRO Motorsports Group's GT America Series, an auto racing series for grand tourer cars. The races are contested with GT2-spec, GT3-spec and GT4-spec cars. The season will begin on April 15 at Sonoma and end on October 9 at Indianapolis.
The 2021 Indianapolis 8 Hours was an endurance race held on 17 October 2021 at the Indianapolis Motor Speedway in Speedway, in Indiana, United States. The event was open to cars in GT classes, namely GT3 and GT4. It was the second running of the Indianapolis 8 Hour. It was also the second leg of the 2021 Intercontinental GT Challenge and the seventh and final race of the 2021 GT World Challenge America. The GT World Challenge America results were determined by the race results after three hours instead of the full eight hours.
Russell Ward is an American racing driver who currently competes in the IMSA SportsCar Championship for HTP Winward Motorsport. Ward also serves as Winward Racing's team principal.
DXDT Racing is a professional sports car team based in Statesville, North Carolina, founded by competitive off-shore sailor and businessman David Askew in 2014. With an early history in IMSA's Continental Tire SportsCar Challenge and Lamborghini Super Trofeo North America, the team now primarily races in SRO America's GT World Challenge America, continuing a long term run as a Mercedes AMG Customer Racing team.
Harry Gottsacker is an American racing driver who currently competes for Bryan Herta Autosport in the TCR class of the Michelin Pilot Challenge.
The 2023 Fanatec GT World Challenge America Powered by AWS was the seventeenth season of the United States Auto Club's GT World Challenge America, and the sixth under ownership of SRO Motorsports Group.
The 2023 Pirelli GT4 America Series is the fifth season of the GT4 America Series. The season began on April 2 at Sonoma Raceway and ended on October 8 at Indianapolis Motor Speedway.
The 2024 Fanatec GT World Challenge America Powered by AWS will be the eighteenth season of the United States Auto Club's GT World Challenge America, and the seventh under ownership of SRO Motorsports Group.
The 2024 GT America Series will be the fourth season of the SRO Motorsports Group's GT America Series, an auto racing series for grand tourer cars. The races will be contested with GT2-spec, GT3-spec and GT4-spec cars. The season will begin on April 5 at Sonoma Raceway and end on October 6 at Indianapolis.
The 2024 Pirelli GT4 America Series is the fifth season of the GT4 America Series. The season begins on April 7 at Sonoma Raceway and will end on October 6 at Indianapolis Motor Speedway.
Sonoma Raceway, Sonoma, California 
Canadian Tire Motorsports Park, Bowmanville, Ontario 
