| Date | Circuit | Championship |
|---|
| 25 – 28 Apr '19 |  | Donington Park
|
Porsche Carrera Cup Great Britain |
| 25 – 27 Apr '19 |  | Red Bull Ring
|
Porsche GT3 Cup Challenge Suisse |
| 25 – 27 Apr '19 | | Red Bull Ring
|
Porsche Sports Cup Suisse |
| 25 – 28 Apr '19 |  | Road Atlanta
HSR The Mitty |
Formula Junior Historics North America |
| 25 – 28 Apr '19 | | Road Atlanta
The Mitty |
Historic Sportscar Racing |
| 25 – 26 Apr '19 | | Thompson Speedway Motorsports Park
Ice Breaker |
Northeast Formula Vee Racing |
| 25 – 28 Apr '19 | | Virginia International Raceway
|
Radical Cup North America |
| 25 – 28 Apr '19 |  | Winton Motor Raceway
|
24 Hours of Le Mons Australia |
| 26 Apr '19 | | Ace Motor Speedway
|
Virginia Mini Cup Racing Association |
| 26 Apr '19 | | Anderson Motor Speedway
|
Anderson Motor Speedway - BM Modifieds |
| 26 Apr '19 | | Anderson Motor Speedway
|
Anderson Motor Speedway - Front Wheel Drive |
| 26 Apr '19 | | Anderson Motor Speedway
|
Anderson Motor Speedway - Late Model Stock |
| 26 Apr '19 | | Anderson Motor Speedway
|
Anderson Motor Speedway - Mini Stock |
| 26 Apr '19 | | Anderson Motor Speedway
|
Anderson Motor Speedway - Pure Stock |
| 26 Apr '19 | | Anderson Motor Speedway
|
Anderson Motor Speedway - US Legends |
| 26 – 28 Apr '19 | | Auto Club Speedway
|
F3 Western Championship Formula Pro USA |
| 26 – 28 Apr '19 | | Auto Club Speedway
|
F4 Western Championships Formula Pro USA |
| 26 – 28 Apr '19 | | Auto Club Speedway
|
FCC Pro Formula Mazda and Formula Mazda Class Championships |
| 26 – 28 Apr '19 | | Auto Club Speedway
SoCal Historic Sports Car Festival |
Mazda Miata Heritage Cup |
| 26 – 28 Apr '19 | | Auto Club Speedway
SoCal Historic Sports Car Festival |
SVRA Sprint Series |
| 26 – 28 Apr '19 | | Auto Club Speedway
|
Trans Am West Coast Championship |
| 26 – 28 Apr '19 |  | Autódromo Roberto José Mouras
|
Fórmula Metropolitana |
| 26 – 27 Apr '19 |  | Autódromo San Antonio
|
Asociación de Turismo Pista Amateur |
| 26 – 27 Apr '19 | | Autódromo San Antonio
|
CASV Campeonato Histórico y Clásicos |
| 26 – 27 Apr '19 | | Autódromo San Antonio
|
Copa 1000 |
| 26 – 27 Apr '19 | | Autódromo San Antonio
|
Fórmula 3 Chile |
| 26 – 28 Apr '19 |  | AutoMotodrom Brno
|
Histo-Cup Austria |
| 26 – 27 Apr '19 | | AutoMotodrom Brno
|
X-Bow Battle |
| 26 Apr '19 |  | Bahrain International Circuit
|
Bahrain International Circuit 2000cc Challenge |
| 26 – 28 Apr '19 |  | Baku City Circuit
Formula 1 Azerbaijan Grand Prix |
FIA Formula 1 World Championship |
| 26 – 28 Apr '19 | | Baku City Circuit
|
FIA Formula 2 Championship |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Hoosier Super Tour |
California Sports Car Club |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
|
Pacific Formula F2000 Championship Series |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship American Sedan |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship B Spec |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship E Production |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship F Production |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Formula 1000 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Formula 500 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Formula Atlantic |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Formula Continental |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Formula Enterprises |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Formula Enterprises Gen 2 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Formula F |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Formula Mazda |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Formula Vee |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Grand Touring 1 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Grand Touring 2 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Grand Touring 3 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Grand Touring Lite |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship GT-X |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship H Production |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Spec Miata |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Spec Racer Ford Gen 3 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Sports Racing Prototype 1 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Sports Racing Prototype 2 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Super Touring Lite |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Super Touring Under |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Touring 1 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Touring 2 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Touring 3 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conference Round 4 |
SCCA Majors Championship Touring 4 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour American Sedan |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour B Spec |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour E Production |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour F Production |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Formula 1000 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Formula 500 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Formula Atlantic |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Formula Continental |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Formula Enterprises |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Formula Enterprises Gen 2 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Formula F |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Formula Mazda |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Formula Vee |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Grand Touring 1 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Grand Touring 2 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Grand Touring 3 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Grand Touring Lite |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour GT-X |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour H Production |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Spec Miata |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Spec Racer Ford Gen 3 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Sports Racing Prototype 1 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Sports Racing Prototype 2 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Super Touring Lite |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Super Touring Under |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Touring 1 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Touring 2 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Touring 3 |
| 26 – 28 Apr '19 | | Buttonwillow Raceway Park
Western Conf., Cal Club Region |
SCCA Super Tour Touring 4 |
| 26 – 28 Apr '19 |  | Circuit de Dijon-Prenois
|
Championnat de France FFSA Supertourisme |
| 26 – 28 Apr '19 | | Circuit de Dijon-Prenois
|
Mitjet 2L |
| 26 – 28 Apr '19 | | Circuit de Dijon-Prenois
|
Mitjet 2L Endurance |
| 26 – 28 Apr '19 | | Circuit de Dijon-Prenois
|
Speed Euroseries |
| 26 – 28 Apr '19 | | Circuit de Dijon-Prenois
|
UCS European Endurance Challenge Proto CN |
| 26 – 28 Apr '19 | | Circuit de Dijon-Prenois
|
UCS GT Endurance Challenge |
| 26 – 28 Apr '19 | | Circuit de Dijon-Prenois
|
UCS Ligier JS P4 Ultimate Challenge |
| 26 – 28 Apr '19 | | Circuit de Dijon-Prenois
|
UCS Norma Automotive Challenge |
| 26 – 28 Apr '19 | | Circuit de Dijon-Prenois
|
UCS Proto Challenge |
