2021 WEATHERTECH SPORTSCAR CHAMPIONSHIP
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![2021 ROAR BEFORE THE ROLEX 24 Logo](https://www.imsa.com/wp-content/uploads/sites/32/2019/11/2019_theroar_282x188_1.png)
Roar Before The Rolex 24
Jan 22 - Jan 24
Daytona International Speedway
DURATION: N/A
![](https://www.imsa.com/wp-content/uploads/sites/32/2019/09/DIS_1346x916-1-350x238.png)
LENGTH: 3.56 miles | # OF CORNERS: 12
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![2021 ROLEX 24 AT DAYTONA Logo](https://www.imsa.com/wp-content/uploads/sites/32/2020/09/15/2021_IWSC_Rolex24_Logo_282x188_NEW_WithYear-270x180.png)
Rolex 24 At Daytona
Jan 27 - Jan 31
Daytona International Speedway
DURATION: 24 Hours
![](https://www.imsa.com/wp-content/uploads/sites/32/2019/09/DIS_1346x916-1-350x238.png)
LENGTH: 3.56 miles | # OF CORNERS: 12
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![2021 MOBIL 1 TWELVE HOURS OF SEBRING PRESENTED BY ADVANCE AUTO PARTS Logo](https://www.imsa.com/wp-content/uploads/sites/32/2019/11/2018_sebring_updated_282x188_v1_1.png)
Mobil 1 Twelve Hours of Sebring Presented by Advance Auto Parts
Mar 17 - Mar 20
Sebring International Raceway
DURATION: 12 Hours
![](https://www.imsa.com/wp-content/uploads/sites/32/2019/09/SEBRING_1346x916-350x238.png)
LENGTH: 3.74 miles | # OF CORNERS: 17
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![2021 Acura Sports Car Challenge Presented by the TLX Type S Logo](https://www.imsa.com/wp-content/uploads/sites/32/2020/09/19/2021_MidOhio_EventLogo_282x188_RedS_282x188-270x180.png)
Acura Sports Car Challenge Presented by the TLX Type S
May 14 - May 16
Mid-Ohio Sports Car Course
DURATION: 2 Hours 40 Minutes
![](https://www.imsa.com/wp-content/uploads/sites/32/2019/09/3D-Mid-Ohio-Vector-350x192.png)
LENGTH: 2.258 miles | # OF CORNERS: 13
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![2021 Detroit Grand Prix Logo](https://www.imsa.com/wp-content/uploads/sites/32/2019/11/19/2020_Detroit_EventLogo_282x188-270x180.png)
Detroit Grand Prix
Jun 11 - Jun 12
Raceway at Belle Isle Park
DURATION: 1 Hour 40 Minutes
![](https://www.imsa.com/wp-content/uploads/sites/32/2019/09/DETROIT_1346x916-350x238.png)
LENGTH: 2.35 miles | # OF CORNERS: 14
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![2021 Sahlen’s Six Hours of The Glen Logo](https://www.imsa.com/wp-content/uploads/sites/32/2020/09/08/2016_SahlensSixHoursofTheGlen_282x188-270x180.png)
Sahlen's Six Hours of The Glen
Jun 24 - Jun 27
Watkins Glen International
DURATION: 6 Hours
![](https://www.imsa.com/wp-content/uploads/sites/32/2019/09/WGI_1346x916-350x238.png)
LENGTH: 3.4 miles | # OF CORNERS: 11
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![2021 Watkins Glen International Logo](https://www.imsa.com/wp-content/uploads/sites/32/2021/04/07/2021_WeatherTech240_820x436-1-330x175.jpg)
Watkins Glen International
Jul 1 - Jul 2
Watkins Glen International
DURATION: 2 Hours 40 Minutes
![](https://www.imsa.com/wp-content/uploads/sites/32/2019/09/WGI_1346x916-350x238.png)
LENGTH: 3.4 miles | # OF CORNERS: 11
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![2021 Northeast Grand Prix Logo](https://www.imsa.com/wp-content/uploads/sites/32/2020/09/19/2021_LimeRock_NortheastGrandPrix_282x188-270x180.png)
Northeast Grand Prix
Jul 16 - Jul 17
Lime Rock Park
DURATION: 2 Hours 40 Minutes
![](https://www.imsa.com/wp-content/uploads/sites/32/2022/07/29/2023_LimeRock_TrackOutline_754x513-350x238.png)
LENGTH: 1.50 miles | # OF CORNERS: 7
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![2021 IMSA Sportscar Weekend Logo](https://www.imsa.com/wp-content/uploads/sites/32/2019/11/roadamerica_282x188_7.png)
IMSA Sportscar Weekend
Aug 5 - Aug 8
Road America
DURATION: 2 Hours 40 Minutes
![](https://www.imsa.com/wp-content/uploads/sites/32/2019/09/RoadAmerica_1346x916-350x238.png)
LENGTH: 4.0 miles | # OF CORNERS: 14
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![2021 Hyundai Monterey Sports Car Championship Logo](https://www.imsa.com/wp-content/uploads/sites/32/2019/11/16/2020_WeatherTechRaceway_EventLogo_282x188-270x180.png)
Hyundai Monterey Sports Car Championship
Sep 10 - Sep 12
WeatherTech Raceway Laguna Seca
DURATION: 2 Hours 40 Minutes
![](https://www.imsa.com/wp-content/uploads/sites/32/2019/09/MRLS_1346x916-350x238.png)
LENGTH: 2.238 miles | # OF CORNERS: 11
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![2021 Acura Grand Prix of Long Beach Logo](https://www.imsa.com/wp-content/uploads/sites/32/2019/11/2020_acuragrandprixoflongbeach_282x188.jpg)
Acura Grand Prix of Long Beach
Sep 24 - Sep 25
Long Beach Street Circuit
DURATION: 100 Minutes
![](https://www.imsa.com/wp-content/uploads/sites/32/2022/07/29/2023_LongBeach_TrackOutline_754x513-350x238.png)
LENGTH: 1.968 miles | # OF CORNERS: 11
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![2021 Michelin GT Challenge at VIR Logo](https://www.imsa.com/wp-content/uploads/sites/32/2019/11/2018_iwsc_vir_new_282x188_1.jpg)
Michelin GT Challenge At VIR
Oct 8 - Oct 10
VIRginia International Raceway
DURATION: 2 Hours 40 Minutes
![](https://www.imsa.com/wp-content/uploads/sites/32/2019/09/VIR_1346x916-350x238.png)
LENGTH: 3.27 miles | # OF CORNERS: 18
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![2021 Motul Petit Le Mans Logo](https://www.imsa.com/wp-content/uploads/sites/32/2021/09/29/2021_MotulPetitLeMans_282x188-270x180.png)
Motul Petit Le Mans
Nov 10 - Nov 13
Michelin Raceway Road Atlanta
DURATION: 10 Hours
![](https://www.imsa.com/wp-content/uploads/sites/32/2019/09/RoadAtlanta_1346x916-350x238.png)
LENGTH: 2.54 miles | # OF CORNERS: 12
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