| January | The Roar before the Rolex 24 2019
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round 01, United States, 4 - 6 January 2019 | |
| January | Rolex 24 at Daytona 2019
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round 02, United States, 24 - 27 January 2019 | More |
| March | Mobil1 Twelve Hours of Sebring presented by Advance Auto Parts 2019
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round 03, United States, 13 - 16 March 2019 | |
| April | Bubba Burger Sports Car Grand Prix at Long Long Beach 2019
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round 04, United States, 12 - 13 April 2019 | |
| May | Acura Sports Car Challange at Mid-Ohio 2019
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round 05, United States, 3 - 5 May 2019 | |
| May | Chevrolet Detroit Grand Prix presented by Lear 2019
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round 06, United States, 31 May - 1 June 2019 | |
| June | Sahlen's Six Hours of the Watkins Glen 2019
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round 07, United States, 27 - 30 June 2019 | |
| July | Mobil1 Sportscar Grand Prix presented by Acura 2019
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round 08, Canada, 5 - 7 July 2019 | |
| July | Northeast Grand Prix 2019
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round 09, United States, 19 - 20 July 2019 | |
| August | Road America 2019
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round 10, United States, 2 - 4 August 2019 | |
| August | Michelin GT Challenge at VIR 2019
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round 11, United States, 23 - 25 August 2019 | |
| September | Monterey Sportscar Championship powered by McLaren 2019
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round 12, United States, 13 - 15 September 2019 | |
| October | Motul Petit Le Mans 2019
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round 13, United States, 9 - 12 October 2019 | |
| November | Michelin IMSA Sportscar Encore 2019
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round 14, United States, 9 - 10 November 2019 | |