| November | 6 Hours of Shanghai 2018
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round 05, China, 18 November 2018
6 Hours of Shanghai held on 18 November 2018 at Shanghai International Circuit in China with thirty five entries and results as part of 2018 FIA World Endurance Championship. | More |
| October | 4 Hours of Portimao 2018
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round 06, Portugal, 27 - 28 October 2018
4 Hours of Portimao held on 27 - 28 October 2018 at Autodromo Internacional do Algarve in Portugal with twenty seven entries and results as part of 2018 European Le Mans Series. | More |
| October | 4 Hours of Portimao 2018
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round 06, Portugal, 27 October 2018
4 Hours of Portimao held on 27 October 2018 at Autodromo Internacional do Algarve in Portugal with eleven entries and results as part of 2018 Michelin Le Mans Cup. | More |
| October | 6 Hours of Fuji 2018
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round 04, Japan, 21 October 2018
6 Hours of Fuji held on 21 October 2018 at Fuji International Speedway in Japan with thirty four entries and results as part of 2018 FIA World Endurance Championship. | More |
| October | Spain, 20 - 21 October 2018
International GT Open | Barcelona held on 20 - 21 October 2018 at Circuit de Catalunya in Spain with thirty entries and results as part of 2018 International GT Open. | More |
| October | Motul Petit Le Mans 2018
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round 13, United States, 10 - 13 October 2018
Motul Petit Le Mans held on 10 - 13 October 2018 at Road Atlanta in United States with thirty seven entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| September | Spain, 28 - 30 September 2018
Blancpain GT Series Endurance Cup Catalunya held on 28 - 30 September 2018 at Circuit de Catalunya in Spain with fifty three entries and results as part of 2018 Blancpain GT Series. | More |
| September | Italy, 22 - 23 September 2018
International GT Open | Monza held on 22 - 23 September 2018 at Autodromo Nazionale di Monza in Italy with twenty seven entries and results as part of 2018 International GT Open. | More |
| September | 4 Hours of Spa 2018
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round 05, Belgium, 22 - 23 September 2018
4 Hours of Spa held on 22 - 23 September 2018 at Circuit de Spa-Francorchamps in Belgium with fourty entries and results as part of 2018 European Le Mans Series. | More |
| September | 6 Hours of Spa 2018
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round 05, Belgium, 22 September 2018
6 Hours of Spa held on 22 September 2018 at Circuit de Spa-Francorchamps in Belgium with twenty six entries and results as part of 2018 Michelin Le Mans Cup. | More |
| September | Germany, 14 - 16 September 2018
Blancpain GT Series Sprint Cup Nurburgring held on 14 - 16 September 2018 at Nurburgring in Germany with twenty entries and results as part of 2018 Blancpain GT Series. | More |
| September | Mazda Raceway Laguna Seca 2018
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round 12, United States, 7 - 9 September 2018
Mazda Raceway Laguna Seca held on 7 - 9 September 2018 at Laguna Seca in United States with thirty four entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| September | United Kingdom, 1 - 2 September 2018
International GT Open | Silverstone held on 1 - 2 September 2018 at Silverstone Circuit in United Kingdom with twenty five entries and results as part of 2018 International GT Open. | More |
| August | Hungary, 31 August - 2 September 2018
Blancpain GT Series Sprint Cup Hungaroring held on 31 August - 2 September 2018 at Hungaroring in Hungary with twenty two entries and results as part of 2018 Blancpain GT Series. | More |
| August | 6 Hours of Silverstone 2018
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round 03, United Kingdom, 19 August 2018
6 Hours of Silverstone held on 19 August 2018 at Silverstone Circuit in United Kingdom with thirty four entries and results as part of 2018 FIA World Endurance Championship. | More |
| August | Michelin GT Challenge at VIR 2018
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round 11, United States, 17 - 19 August 2018
Michelin GT Challenge at VIR held on 17 - 19 August 2018 at Virginia International Raceway in United States with eighteen entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| August | 4 Hours of Silverstone 2018
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round 04, United Kingdom, 17 - 18 August 2018
4 Hours of Silverstone held on 17 - 18 August 2018 at Silverstone Circuit in United Kingdom with fourty one entries and results as part of 2018 European Le Mans Series. | More |
| August | Road America 2018
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round 10, United States, 3 - 5 August 2018
Road America held on 3 - 5 August 2018 at Road America in United States with thirty three entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| July | Total 24 Hours of Spa 2018
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round 07, Belgium, 26 - 29 July 2018
Total 24 Hours of Spa held on 26 - 29 July 2018 at Circuit de Spa-Francorchamps in Belgium with sixty two entries and results as part of 2018 Blancpain GT Series. | More |
| July | 4 Hours of the Red Bull Ring 2018
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round 03, Austria, 21 - 22 July 2018
4 Hours of the Red Bull Ring held on 21 - 22 July 2018 at Red Bull Ring in Austria with fourty two entries and results as part of 2018 European Le Mans Series. | More |
| July | 4 Hours of Red Bull Ring 2018
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round 04, Austria, 21 July 2018
4 Hours of Red Bull Ring held on 21 July 2018 at Red Bull Ring in Austria with twenty six entries and results as part of 2018 Michelin Le Mans Cup. | More |
| July | Lime Rock Park 2018
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round 09, United States, 20 - 21 July 2018
Lime Rock Park held on 20 - 21 July 2018 at Lime Rock Park in United States with eighteen entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| July | Hungary, 7 - 8 July 2018
International GT Open | Hungaroring held on 7 - 8 July 2018 at Hungaroring in Hungary with twenty seven entries and results as part of 2018 International GT Open. | More |
| July | Canadian Tire Motorsport Park 2018
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round 08, Canada, 6 - 8 July 2018
Canadian Tire Motorsport Park held on 6 - 8 July 2018 at Mosport International Raceway in Canada with thirty two entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| July | France, 6 - 8 July 2018
9. Le Mans Classic held on 6 - 8 July 2018 at Circuit de la Sarthe in France with seven hundred twenty three entries and results. | More |
| July | Belgium, 3 July 2018
Blancpain GT Series Spa Test Day held on 3 July 2018 at Circuit de Spa-Francorchamps in Belgium as part of 2018 Blancpain GT Series. | |
| June | Sahlen's Six Hours of the Glen 2018
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round 07, United States, 28 June - 1 July 2018
Sahlen's Six Hours of the Glen held on 28 June - 1 July 2018 at Watkins Glen International in United States with eighteen entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| June | Italy, 22 - 24 June 2018
Blancpain GT Series Sprint Cup Misano held on 22 - 24 June 2018 at Autodromo Internazionale 'Santa Monica' di Misano Adriatico in Italy with twenty two entries and results as part of 2018 Blancpain GT Series. | More |
| June | France, 16 - 17 June 2018
86. edition des 24 Heures du Mans held on 16 - 17 June 2018 at Circuit de la Sarthe in France with sixty entries and results. | More |
| June | 86. edition des 24 Heures du Mans
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round 02, France, 15 - 17 June 2018
86. edition des 24 Heures du Mans held on 15 - 17 June 2018 at Circuit de la Sarthe in France as part of 2018 FIA World Endurance Championship. | |
| June | Road to Le Mans 2018
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round 03, France, 14 - 16 June 2018
Road to Le Mans held on 14 - 16 June 2018 at Circuit de la Sarthe in France with fourty nine entries and results as part of 2018 Michelin Le Mans Cup. | More |
| June | Belgium, 9 - 10 June 2018
International GT Open | Spa held on 9 - 10 June 2018 at Circuit de Spa-Francorchamps in Belgium with twenty seven entries and results as part of 2018 International GT Open. | More |
| June | France, 1 - 2 June 2018
Blancpain GT Series Endurance Cup Le Castellet held on 1 - 2 June 2018 at ASA Circuit Paul Ricard, Circuit du Castellet in France with fifty one entries and results as part of 2018 Blancpain GT Series. | More |
| June | Chevrolet Sports Car Classic 2018
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round 06, United States, 1 - 2 June 2018
Chevrolet Sports Car Classic held on 1 - 2 June 2018 at Belle Isle Park in United States with twenty six entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| May | Italy, 25 - 27 May 2018
Concorso d'Eleganza Villa d'Este held on 25 - 27 May 2018 at Villa d'Este in Italy with fifty four entries. | More |
| May | United Kingdom, 18 - 20 May 2018
Blancpain GT Series Endurance Cup Silverstone held on 18 - 20 May 2018 at Silverstone Circuit in United Kingdom with fifty entries and results as part of 2018 Blancpain GT Series. | More |
| May | Italy, 16 - 19 May 2018
Ferrari Tribute to the Mille Miglia held on 16 - 19 May 2018 at Fiera di Brescia in Italy with one hundred entries. | More |
| May | Italy, 16 - 19 May 2018
1000 Miglia 2018 held on 16 - 19 May 2018 at Piazza della Loggia in Italy with four hundred fifty one entries and results. | More |
| May | 4 Hours of Monza 2018
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round 02, Italy, 12 - 13 May 2018
4 Hours of Monza held on 12 - 13 May 2018 at Autodromo Nazionale di Monza in Italy with fourty three entries and results as part of 2018 European Le Mans Series. | More |
| May | Italy, 12 May 2018
Michelin Le Mans Cup | Monza held on 12 May 2018 at Autodromo Nazionale di Monza in Italy with twenty seven entries and results as part of 2018 Michelin Le Mans Cup. | More |
| May | United Kingdom, 5 - 6 May 2018
Blancpain GT Series Sprint Cup Brands Hatch held on 5 - 6 May 2018 at Brands Hatch in United Kingdom with twenty entries and results as part of 2018 Blancpain GT Series. | More |
| May | France, 5 - 6 May 2018
International GT Open | Paul Ricard held on 5 - 6 May 2018 at ASA Circuit Paul Ricard, Circuit du Castellet in France with twenty four entries and results as part of 2018 International GT Open. | More |
| May | Mid-Ohio Sports Car Course 2018
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round 05, United States, 4 - 6 May 2018
Mid-Ohio Sports Car Course held on 4 - 6 May 2018 at Mid-Ohio Sports Car Course in United States with thirty four entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| May | Total 6 Hours of Spa-Francorchamps 2018
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round 01, Belgium, 4 - 5 May 2018
Total 6 Hours of Spa-Francorchamps held on 4 - 5 May 2018 at Circuit de Spa-Francorchamps in Belgium with thirty seven entries and results as part of 2018 FIA World Endurance Championship. | More |
| April | France, 23 - 28 April 2018
Tour Auto Optic 2000 held on 23 - 28 April 2018 in France with two hundred fourty one entries and results. | More |
| April | 3 Hours of Monza 2018
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round 02, Italy, 21 - 22 April 2018
3 Hours of Monza held on 21 - 22 April 2018 at Autodromo Nazionale di Monza in Italy with fifty four entries and results as part of 2018 Blancpain GT Series. | More |
| April | Portugal, 14 - 15 April 2018
International GT Open | Estoril held on 14 - 15 April 2018 at Autodromo do Estoril in Portugal with twenty two entries and results as part of 2018 International GT Open. | More |
| April | 4 Hours of Le Castellet 2018
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round 01, France, 14 - 15 April 2018
4 Hours of Le Castellet held on 14 - 15 April 2018 at ASA Circuit Paul Ricard, Circuit du Castellet in France with fourty five entries and results as part of 2018 European Le Mans Series. | More |
| April | 4 Hours of Le Castellet 2018
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round 01, France, 14 April 2018
4 Hours of Le Castellet held on 14 April 2018 at ASA Circuit Paul Ricard, Circuit du Castellet in France with twenty nine entries and results as part of 2018 Michelin Le Mans Cup. | More |
| April | Bubba Burger Sportscar Grand Prix at Long Beach 2018
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round 04, United States, 13 - 14 April 2018
Bubba Burger Sportscar Grand Prix at Long Beach held on 13 - 14 April 2018 at Long Beach Street Circuit in United States with twenty two entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| April | France, 9 - 10 April 2018
European Le Mans Series - Official Test Days held on 9 - 10 April 2018 at ASA Circuit Paul Ricard, Circuit du Castellet in France as part of 2018 European Le Mans Series. | |
| April | New Race Festival 2018
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round 01, Belgium, 6 - 8 April 2018
New Race Festival held on 6 - 8 April 2018 at Circuit Zolder in Belgium with twenty two entries and results as part of 2018 Blancpain GT Series. | More |
| April | The WEC Prologue 2018
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round 00, France, 6 - 7 April 2018
The WEC Prologue held on 6 - 7 April 2018 at ASA Circuit Paul Ricard, Circuit du Castellet in France as part of 2018 FIA World Endurance Championship. | |
| March | 66. Mobil 1 Twelve Hours of Sebring presented by Advance Auto Parts
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round 03, United States, 14 - 17 March 2018
66. Mobil 1 Twelve Hours of Sebring presented by Advance Auto Parts held on 14 - 17 March 2018 at Sebring International Raceway in United States with fourty three entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| March | France, 13 - 14 March 2018
Blancpain GT Series Endurance Cup Test Day held on 13 - 14 March 2018 at ASA Circuit Paul Ricard, Circuit du Castellet in France as part of 2018 Blancpain GT Series. | |
| March | France, 2 - 3 March 2018
International GT Open | Paul Ricard Winter Test held on 2 - 3 March 2018 at ASA Circuit Paul Ricard, Circuit du Castellet in France as part of 2018 International GT Open. | |
| February | Spain, 16 - 17 February 2018
International GT Open | Barcelona Winter Test held on 16 - 17 February 2018 at Circuit de Catalunya in Spain as part of 2018 International GT Open. | |
| January | Rolex 24 at Daytona 2018
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round 02, United States, 25 - 28 January 2018
Rolex 24 at Daytona held on 25 - 28 January 2018 at Daytona International Speedway in United States with fifty entries and results as part of 2018 IMSA WeatherTech SportsCar Championship. | More |
| January | The Roar before the Rolex 24 2018
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round 01, United States, 5 - 7 January 2018
The Roar before the Rolex 24 held on 5 - 7 January 2018 at Daytona International Speedway in United States as part of 2018 IMSA WeatherTech SportsCar Championship. | |