| November | Camel Grand Prix of Greater San Diego 1990
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round 20, United States, 10 - 11 November 1990 Camel Grand Prix of Greater San Diego held on 10 - 11 November 1990 at Del Mar Fairgrounds in United States as part of 1990 IMSA GT Championship. | |
| November | Foster's Australian Grand Prix 1990
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round 16, Australia, 1 - 4 November 1990 Foster's Australian Grand Prix held on 1 - 4 November 1990 at Adelaide Street Circuit in Australia with thirty entries and results as part of 1990 FIA Formula One World Championship. | More |
| October | Fuji Television Japanese Grand Prix 1990
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round 15, Japan, 19 - 21 October 1990 Fuji Television Japanese Grand Prix held on 19 - 21 October 1990 at Suzuka International Racing Course in Japan with thirty entries and results as part of 1990 FIA Formula One World Championship. | More |
| September | Nissan World Challenge of Tampa 1990
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round 19, United States, 30 September 1990 Nissan World Challenge of Tampa held on 30 September 1990 at Florida State Fairgrounds in United States as part of 1990 IMSA GT Championship. | |
| September | The Jamesway 300 1990
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round 18, United States, 29 September 1990 The Jamesway 300 held on 29 September 1990 at Lime Rock Park in United States with eleven entries and results as part of 1990 IMSA GT Championship. | More |
| September | Gran Premio Tio Pepe de Espana 1990
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round 14, Spain, 28 - 30 September 1990 Gran Premio Tio Pepe de Espana held on 28 - 30 September 1990 at Circuito Permanente de Jerez in Spain with thirty three entries and results as part of 1990 FIA Formula One World Championship. | More |
| September | The New York 500 1990
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round 17, United States, 21 - 23 September 1990 The New York 500 held on 21 - 23 September 1990 at Watkins Glen International in United States with twelve entries and results as part of 1990 IMSA GT Championship. | More |
| September | Grande Premio de Portugal 1990
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round 13, Portugal, 21 - 23 September 1990 Grande Premio de Portugal held on 21 - 23 September 1990 at Autodromo do Estoril in Portugal with thirty three entries and results as part of 1990 FIA Formula One World Championship. | More |
| September | Coca Cola 61. Gran Premio d'Italia 1990
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round 12, Italy, 7 - 9 September 1990 Coca Cola 61. Gran Premio d'Italia held on 7 - 9 September 1990 at Autodromo Nazionale di Monza in Italy with thirty three entries and results as part of 1990 FIA Formula One World Championship. | More |
| September | Nissan Camel Grand Prix of San Antonio 1990
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round 16, United States, 2 September 1990 Nissan Camel Grand Prix of San Antonio held on 2 September 1990 at San Antonio street course in United States as part of 1990 IMSA GT Championship. | |
| August | Grand Prix de Belgique 1990
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round 11, Belgium, 24 - 26 August 1990 Grand Prix de Belgique held on 24 - 26 August 1990 at Circuit de Spa-Francorchamps in Belgium with thirty three entries and results as part of 1990 FIA Formula One World Championship. | More |
| August | Nissan Grand Prix of Road America 1990
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round 15, United States, 17 - 19 August 1990 Nissan Grand Prix of Road America held on 17 - 19 August 1990 at Road America in United States with eleven entries and results as part of 1990 IMSA GT Championship. | More |
| August | Magyar Nagydij 1990
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round 10, Hungary, 10 - 12 August 1990 Magyar Nagydij held on 10 - 12 August 1990 at Hungaroring in Hungary with thirty five entries and results as part of 1990 FIA Formula One World Championship. | More |
| July | G.I. Joe's Camel Granx Prix 1990
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round 14, United States, 29 July 1990 G.I. Joe's Camel Granx Prix held on 29 July 1990 at Portland International Raceway in United States as part of 1990 IMSA GT Championship. | |
| July | Grosser Mobil 1 Preis von Deutschland 1990
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round 09, Germany, 27 - 29 July 1990 Grosser Mobil 1 Preis von Deutschland held on 27 - 29 July 1990 at Hockenheimring in Germany with thirty five entries and results as part of 1990 FIA Formula One World Championship. | More |
| July | California Camel Grand Prix 1990
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round 13, United States, 15 July 1990 California Camel Grand Prix held on 15 July 1990 at Infineon Raceway in United States as part of 1990 IMSA GT Championship. | |
| July | Grand Prix of Meadowlands 1990
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round 12, United States, 14 July 1990 Grand Prix of Meadowlands held on 14 July 1990 at Meadowlands Sports Complex in United States as part of 1990 IMSA GT Championship. | |
| July | Foster's British Grand Prix 1990
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round 08, United Kingdom, 13 - 15 July 1990 Foster's British Grand Prix held on 13 - 15 July 1990 at Silverstone Circuit in United Kingdom with thirty five entries and results as part of 1990 FIA Formula One World Championship. | More |
| July | Rhone-Poulenc Grand Prix de France 1990
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round 07, France, 6 - 8 July 1990 Rhone-Poulenc Grand Prix de France held on 6 - 8 July 1990 at ASA Circuit Paul Ricard, Circuit du Castellet in France with thirty five entries and results as part of 1990 FIA Formula One World Championship. | More |
| July | Camel Continental 1990
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round 11, United States, 1 July 1990 Camel Continental held on 1 July 1990 at Watkins Glen International in United States as part of 1990 IMSA GT Championship. | |
| June | Nissan Grand Prix of Mosport 1990
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round 10, Canada, 22 - 24 June 1990 Nissan Grand Prix of Mosport held on 22 - 24 June 1990 at Mosport International Raceway in Canada with seven entries and results as part of 1990 IMSA GT Championship. | More |
| June | Gran Premio de Mexico 1990
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round 06, Mexico, 22 - 24 June 1990 Gran Premio de Mexico held on 22 - 24 June 1990 at Autodromo Hermanos Rodriguez in Mexico with thirty five entries and results as part of 1990 FIA Formula One World Championship. | More |
| June | France, 16 - 17 June 1990 58. edition des 24 Heures du Mans held on 16 - 17 June 1990 at Circuit de la Sarthe in France with fifty entries and results. | More |
| June | Molson Grand prix du Canada 1990
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round 05, Canada, 8 - 10 June 1990 Molson Grand prix du Canada held on 8 - 10 June 1990 at Circuit Gilles Villeneuve in Canada with thirty five entries and results as part of 1990 FIA Formula One World Championship. | More |
| June | Nissan Grand Prix of Ohio 1990
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round 09, United States, 1 - 3 June 1990 Nissan Grand Prix of Ohio held on 1 - 3 June 1990 at Mid-Ohio Sports Car Course in United States with eleven entries and results as part of 1990 IMSA GT Championship. | More |
| May | Toyota Trucks Lime Rock Grand Prix 1990
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round 08, United States, 28 May 1990 Toyota Trucks Lime Rock Grand Prix held on 28 May 1990 at Lime Rock Park in United States as part of 1990 IMSA GT Championship. | |
| May | 48. Grand Prix de Monaco
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round 04, Monaco, 24 - 27 May 1990 48. Grand Prix de Monaco held on 24 - 27 May 1990 at Circuit de Monaco in Monaco with thirty five entries and results as part of 1990 FIA Formula One World Championship. | More |
| May | Italy, 17 - 20 May 1990 Mille Miglia held on 17 - 20 May 1990 in Italy with three hundred twenty five entries. | More |
| May | 10. Gran Premio di San Marino
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round 03, San Marino, 11 - 13 May 1990 10. Gran Premio di San Marino held on 11 - 13 May 1990 at Autodromo Enzo e Dino Ferrari in San Marino with thirty four entries and results as part of 1990 FIA Formula One World Championship. | More |
| May | Camel Grand Prix of Heartland 1990
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round 07, United States, 4 - 6 May 1990 Camel Grand Prix of Heartland held on 4 - 6 May 1990 at Heartland Park Topeka in United States with ten entries and results as part of 1990 IMSA GT Championship. | More |
| April | Toyota Grand Prix of Palm Beach 1990
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round 06, United States, 22 April 1990 Toyota Grand Prix of Palm Beach held on 22 April 1990 at West Palm Beach street course in United States as part of 1990 IMSA GT Championship. | |
| April | Toyota Grand Prix of Long Beach 1990
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round 05, United States, 21 April 1990 Toyota Grand Prix of Long Beach held on 21 April 1990 at Long Beach street course in United States as part of 1990 IMSA GT Championship. | |
| April | Nissan Grand Prix of Atlanta 1990
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round 04, United States, 1 April 1990 Nissan Grand Prix of Atlanta held on 1 April 1990 at Road Atlanta in United States as part of 1990 IMSA GT Championship. | |
| March | Grande Premio do Brasil 1990
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round 02, Brazil, 23 - 25 March 1990 Grande Premio do Brasil held on 23 - 25 March 1990 at Autodromo Jose Carlos Pace in Brazil with thirty five entries and results as part of 1990 FIA Formula One World Championship. | More |
| March | 38th annual 12 Hours of Sebring
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round 03, United States, 14 - 17 March 1990 38th annual 12 Hours of Sebring held on 14 - 17 March 1990 at Sebring International Raceway in United States as part of 1990 IMSA GT Championship. | |
| March | Iceberg United States Grand Prix 1990
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round 01, United States, 9 - 11 March 1990 Iceberg United States Grand Prix held on 9 - 11 March 1990 at Phoenix Street Circuit in United States with thirty five entries and results as part of 1990 FIA Formula One World Championship. | More |
| February | Nissan Grand Prix of Miami 1990
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round 02, United States, 25 February 1990 Nissan Grand Prix of Miami held on 25 February 1990 at Streets of Miami in United States as part of 1990 IMSA GT Championship. | |
| February | Sunbank 24 at Daytona 1990
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round 01, United States, 3 - 4 February 1990 Sunbank 24 at Daytona held on 3 - 4 February 1990 at Daytona International Speedway in United States as part of 1990 IMSA GT Championship. | |