The 2016 Competition102 GT4 European Series was the ninth season of the GT4 European Series, a sports car championship created and organised by the Stéphane Ratel Organisation (SRO). The season began on 23 April at Autodromo Nazionale Monza and finished on 9 October at Circuit Park Zandvoort after six race weekends.
The 2017 Championnat de France FFSA GT - GT4 European Series Southern Cup was the first season of the GT4 European Series Southern Cup and the 20th season of the French FFSA GT Championship, a sports car championship created and organised by the Stéphane Ratel Organisation (SRO).
The 2017 Intercontinental GT Challenge was the second season of the Intercontinental GT Challenge. The season featured three rounds, starting with the Liqui Moly Bathurst 12 Hour on 5 February and concluding with the Mazda Raceway California 8 Hours on 15 October, after the SRO Motorsports Group chose to cancel the Sepang 12 Hours scheduled for 10 December, due to a lack of entries. Laurens Vanthoor was the defending drivers' champion and Audi was the defending manufacturers' champion.
The 2019 TC America Series was the first season of the United States Auto Club's TC America Series. It was the third season of the series, originally part of the Touring Car categories at the 2017 Pirelli World Challenge, and second season as a standalone class. Under the global realignment of the Blancpain GT World Challenge America by SRO Motorsports Group, the GT4 and TCR classes are now declared separate support series, and not under the same umbrella of the World Challenge as it was prior to SRO's ownership. However, the series will continue to be part of the World Challenge. The TCR division will include a DSG Cup for vehicles equipped with a Direct-shift gearbox.
The 2022 Fanatec GT World Challenge Asia Powered by AWS is the fourth season of SRO Motorsports Group and Team Asia One GT Management's GT World Challenge Asia, an auto racing series for grand tourer cars in Asia. The races are contested with GT3-spec and GT4-spec cars. The season was begun on 20 May at Sepang in Malaysia and was scheduled to end on 23 October at the new Mandalika Circuit in Indonesia, however the round was cancelled due to homologation issues, therefore the championship finished at the Okayama International Circuit in Japan. It is the second season of the unification of GT3 sprint series across the globe under the World Challenge name and the first since Blancpain ended its title sponsorship of the series.
The 2020 GT Sports Club America is the inaugural season of the SRO Motorsports Group's GT Sports Club America, an auto racing series for grand tourer cars. GT Sports Club America is a championship for Bronze, Titanium and Iron drivers only. The Titanium categorisation is within the Bronze category, for drivers between the age of 50 and 59. The Iron categorisation is within the Bronze category, for drivers over the age of 60. The races are contested with GT2-spec and GT3-spec cars. The season began on 11 July at Virginia and will end on 3 October at Indianapolis.
The 2021 24H GT Series powered by Hankook was the seventh season of the 24H Series with drivers battling for championship points and titles and the twelfth season since Creventic, the organiser and promoter of the series, organised multiple races a year. The races were contested with GT3-spec cars, GT4-spec cars, sports cars and 24H-Specials, like silhouette cars.
The 2021 Fanatec GT World Challenge America Powered by AWS was the 15th season of the United States Auto Club's GT World Challenge America, and the fourth under ownership of SRO Motorsports Group.
The season began at Sonoma on March 6, and ended at Indianapolis on October 17.
The 2021 GT America Series was the inaugural season of the SRO Motorsports Group's GT America Series, an auto racing series for grand tourer cars. The races were contested with GT2-spec, GT3-spec and GT4-spec cars. The season began at Sonoma on March 6, and ended at Indianapolis on October 17.
The 2021 GT4 European Series is the fourteenth season of the GT4 European Series, a Sports car racing championship organised by Stéphane Ratel Organisation (SRO). The season will begin at Monza on 16 April, and will end at the Circuit de Barcelona-Catalunya on 10 October.
The 2021 Pirelli GT4 America Series is the third season of the GT4 America Series. The season began on 5 March at Sonoma Raceway and ended on 17 October at Indianapolis Motor Speedway.
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.
The 2021 Championnat de France FFSA GT - GT4 France season was the twenty-fourth season of the French FFSA GT Championship and the fourth as the French GT4 Cup, a Sports car championship created and organised by the Stephane Ratel Organisation (SRO). The season began on 3 April in Nogaro and ended on 3 October at Paul Ricard.
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 2022 24H GT Series powered by Hankook was the eighth season of the 24H Series with drivers battling for championship points and titles and the thirteenth season since Creventic, the organiser and promoter of the series, organised multiple races a year. The races were contested with GT3-spec cars, GT4-spec cars, sports cars and 24H-Specials, like silhouette cars.
The 2022 GT4 European Series was the fifteenth season of the GT4 European Series, a Sports car racing championship organised by Stéphane Ratel Organisation (SRO). The season began at Imola on 1 April, and ended at the Circuit de Barcelona-Catalunya on 30 September.
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 Fanatec GT World Challenge Asia Powered by AWS will be the fifth season of SRO Motorsports Group and Team Asia One GT Management's GT World Challenge Asia, an auto racing series for grand tourer cars in Asia. The races will be contested with GT3-spec and GT4-spec cars with hopes of GT2-spec entries. The season will begin on 13 May at the Chang International Circuit in Thailand and is scheduled to end on 24 September at Sepang in Malaysia.
The 2024 Fanatec GT World Challenge Asia Powered by AWS will be the fifth season of SRO Motorsports Group and Team Asia One GT Management's GT World Challenge Asia, an auto racing series for grand tourer cars in Asia. The races will be contested with GT3-spec and GT4-spec cars with hopes of GT2-spec entries. The season will begin on 20 April at the Sepang International Circuit in Malaysia and is scheduled to end on 15 September at Shanghai International Circuit in China. This season the Japan Cup also separate from the main GTWCA race, and will run on stand alone race.
St. Petersburg Street Circuit, St. Petersburg, Florida 
Sonoma Raceway, Sonoma, California 
NOLA Motorsports Park, Avondale, Louisiana 
Circuit of the Americas, Austin, Texas 
Virginia International Raceway, Alton, Virginia 
Nashville Street Circuit, Nashville, Tennessee 
Road America, Elkhart Lake, Wisconsin 
Indianapolis Motor Speedway, Indianapolis, Indiana 
