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IMSA GT Championship

Official name history

1998	Professional SportsCar Racing Championship
1994–1997	Exxon World Sports Car Championship and Supreme GT Series
1993	Camel GT Championship and Exxon Supreme GT Championship
1991–1992	Camel GT Championship and Exxon Supreme GT Series
1981–1984, 1987, 1989–1990	Camel GT Championship
1979	Winston GT
1972, 1974–1978	Camel GT Challenge
1973	Camel GT
1971, 1980	IMSA GT Series

Statistics

Seasons in database: 28 (1971–1998)
Average number of events per season: 14.2
Longest season: 21 events (1987)
Shortest season: 7 events (1971)

< 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 >

1991 Camel GT Championship and Exxon Supreme GT Series

31 Jan–3 Feb	Daytona International Speedway , United States SunBank 24 at Daytona	The event has ended.
1–3 Mar	West Palm Beach South Florida Fairgrounds , United States Toyota Camel Grand Prix of Palm Beach, 1 Hour GTO/GTU - 2 Hours Proto - 30 Minutes AAC	The event has ended.
13–16 Mar	Sebring International Raceway , United States Nissan Presents the 39th Annual 12 Hours of Sebring International Grand Prix of Endurance	The event has ended.
6–7 Apr	Bicentennial Park Street Circuit , United States Nissan Camel Grand Prix of Miami, 1 Hour GT - 2 Hours Proto	The event has ended.
12–13 Apr	Long Beach Street Circuit , United States Toyota Grand Prix of Long Beach, 1 Hour GT	The event has ended.
27–28 Apr	Michelin Raceway Road Atlanta , United States Nissan Grand Prix of Road Atlanta, 300 km Proto	The event has ended.
3–5 May	Heartland Motorsports Park , United States Camel Grand Prix of the Heartland, 300 km Proto	The event has ended.
18–20 May	Canadian Tire Motorsport Park , Canada Nissan Grand Prix of Mosport, 300 km GT	The event has ended.
24–26 May	Lime Rock Park , United States Toyota Trucks Lime Rock Grand Prix, 2 Hours Proto	The event has ended.
31 May–2 Jun	Mid-Ohio Sports Car Course , United States Nissan Grand Prix of Ohio, 1 Hour GT - 300 km Proto	The event has ended.

14–16 Jun	New Orleans Superdome Street Course , United States Nissan Grand Prix du Mardi Gras, 1 Hour GT - 2 Hours Proto	The event has ended.
27–30 Jun	Watkins Glen International , United States Camel Continental VIII, 500 km Proto	The event has ended.
20–21 Jul	WeatherTech Raceway Laguna Seca , United States Grand Auto Supply Camel Grand GT, 1 Hour GT - 300 km Proto	The event has ended.
26–28 Jul	Portland International Raceway , United States G.I. Joe's Camel Grand Prix, 300 km Proto - 1 Hour 30 Minutes GT	The event has ended.
23–25 Aug	Road America , United States Nissan Grand Prix of Road America, 300 km Proto - 200 km GT	The event has ended.
31 Aug–1 Sep	Michelin Raceway Road Atlanta , United States Road Atlanta 300, 1 Hour 45 Minutes GT	The event has ended.
20–22 Sep	Watkins Glen International , United States The New York 500 km GT	The event has ended.
27–28 Sep	Lime Rock Park , United States The Jamesway 300, 2 Hours GT	The event has ended.
11–13 Oct	Del Mar Fairgrounds , United States Camel Grand Prix of Greater San Diego, 1 Hour GT - 2 Hours Proto	The event has ended.