Year
|
Date
|
Drivers
|
Team
|
Car
|
Distance/Duration
|
Race Title
|
Report
|
IMSA GT Championship
|
1975
|
June 14
|
Hurley Haywood
|
G.W. Dickinson
|
Porsche Carrera
|
100 miles (160 km)
|
Labatt's Blue 5000 Weekend
|
Report
|
World Sports Car Championship
|
1976
|
Aug 22
|
Jackie Oliver
|
Shadow
|
Shadow DN4 Chevrolet
|
200 miles (320 km)
|
Player's 200 Weekend
|
Report
|
1977
|
Aug 20
|
Ludwig Heimrath
Paul Miller
|
Heimrath Racing
|
Porsche 934/5
|
6 hours
|
Molson Diamond Can-Am Trans-Am Weekend
|
Report
|
1978 1979
|
Not held
|
World Sportscar Championship & IMSA GT Championship
|
1980
|
Aug 17
|
John Fitzpatrick
Brian Redman
|
Dick Barbour Racing/Sachs USA
|
Porsche 935 K3/80
|
6 hours
|
Molson Canadian 1000
|
Report
|
1981
|
Aug 16
|
Harald Grohs
Rolf Stommelen
|
Andial Meister Racing
|
Porsche 935 K3
|
6 hours
|
Molson 1000
|
Report
|
IMSA GT Championship
|
1982
|
Aug 15
|
John Paul, Jr.
John Paul, Sr.
|
JLP Racing
|
Porsche 935 JLP-3
|
6 hours
|
Labatt's 50 GT
|
Report
|
1983
|
Aug 14
|
Bob Tullius
Bill Adam
|
Group 44
|
Jaguar XJR-5
|
6 hours
|
Labatt's GT
|
Report
|
World Sportscar Championship
|
1984
|
Aug 5
|
Jacky Ickx
Jochen Mass
|
Rothmans Porsche
|
Porsche 956
|
1,000 km (620 mi)
|
Budweiser GT
|
Report
|
1985
|
Aug 11
|
Hans-Joachim Stuck
Derek Bell
|
Rothmans Porsche
|
Porsche 962C
|
1,000 km (620 mi)
|
Budweiser GT
|
Report
|
1986 1987 1988
|
Not held
|
IMSA GT Championship
|
1989
|
June 25
|
Pete Halsmer
|
Roush Racing
|
Mercury Cougar XR-7
|
500 km (310 mi) (GTO/GTU/AC only)
|
The Audi Quattro IMSA Weekend
|
Report
|
1990
|
June 24
|
Steve Millen
|
Cunningham Racing
|
Nissan 300ZX
|
300 km (190 mi) (GTO/GTU/AAC only)
|
The Nissan Grand Prix
|
Report
|
1991
|
May 20
|
Pete Halsmer
|
Mazda Motorsports
|
Mazda RX-7
|
300 km (190 mi) (GTO/GTU/AAC only)
|
The Nissan Grand Prix
|
Report
|
1992
|
May 18
|
Jeremy Dale
|
Cunningham Racing
|
Nissan 300ZX
|
2 hours (GTS/GTO/GTU only)
|
The Nissan Grand Prix
|
Report
|
1993 1994
|
Not held
|
1995
|
Aug 13
|
Andy Wallace James Weaver
|
Dyson Racing
|
Riley & Scott Mk III-Ford
|
3 Hours
|
Chrysler Mosport 500
|
Report
|
1996
|
Aug 25
|
Butch Leitzinger John Paul Jr.
|
Dyson Racing
|
Riley & Scott Mk III-Ford
|
3 Hours
|
Chrysler Mosport 500
|
Report
|
1997
|
Aug 31
|
Ron Fellows Rob Morgan
|
Central Arkansas Racing
|
Ferrari 333 SP
|
2 Hours
|
Mosport Festival
|
Report
|
1998
|
Aug 9
|
Butch Leitzinger James Weaver
|
Dyson Racing
|
Riley & Scott Mk III-Ford
|
2 hours, 45 minutes
|
Mosport Festival
|
Report
|
American Le Mans Series
|
1999
|
June 27
|
Jan Magnussen Johnny O'Connell
|
Panoz Motor Sports
|
Panoz LMP-1 Roadster-S
|
2 hours, 45 minutes
|
The Grand Prix at Mosport
|
Report
|
2000
|
Aug 6
|
Rinaldo Capello Allan McNish
|
Audi Sport North America
|
Audi R8
|
2 hours, 45 minutes
|
The globemegawheels.com Grand Prix at Mosport
|
Report
|
2001
|
Aug 19
|
Frank Biela Emanuele Pirro
|
Audi Sport North America
|
Audi R8
|
2 hours, 45 minutes
|
Gran Turismo 3 Grand Prix at Mosport
|
Report
|
2002
|
Aug 18
|
Rinaldo Capello Tom Kristensen
|
Audi Sport North America
|
Audi R8
|
2 hours, 45 minutes
|
Grand Prix at Mosport sponsored by mail2web.com
|
Report
|
2003
|
Aug 17
|
Frank Biela Marco Werner
|
Infineon Team Joest
|
Audi R8
|
2 hours, 45 minutes
|
The Toronto Grand Prix of Mosport
|
Report
|
2004
|
Aug 8
|
Butch Leitzinger James Weaver
|
Dyson Racing
|
MG-Lola EX257
|
2 hours, 45 minutes
|
The Toronto Grand Prix of Mosport
|
Report
|
2005
|
Sept 4
|
Butch Leitzinger James Weaver
|
Dyson Racing
|
MG-Lola EX257
|
2 hours, 45 minutes
|
Labour Day Weekend Grand Prix of Mosport
|
Report
|
2006
|
Sept 3
|
Rinaldo Capello Allan McNish
|
Audi Sport North America
|
Audi R10 TDI
|
2 hours, 45 minutes
|
Mobil 1 presents the Labour Day Weekend Grand Prix of Mosport
|
Report
|
2007
|
Aug 26
|
Rinaldo Capello Allan McNish
|
Audi Sport North America
|
Audi R10 TDI
|
2 hours, 45 minutes
|
Mobil 1 presents the Grand Prix of Mosport
|
Report
|
2008
|
Aug 24
|
Lucas Luhr Marco Werner
|
Audi Sport North America
|
Audi R10 TDI
|
2 hours, 45 minutes
|
Mobil 1 presents the Grand Prix of Mosport
|
Report
|
2009
|
Aug 30
|
David Brabham Scott Sharp
|
Patrón Highcroft Racing
|
Acura ARX-02a
|
2 hours, 45 minutes
|
Mobil 1 presents the Grand Prix of Mosport
|
Report
|
2010
|
Aug 29
|
Romain Dumas Klaus Graf
|
Muscle Milk Team Cytosport
|
Porsche RS Spyder Evo
|
2 hours, 45 minutes
|
Mobil 1 presents the Grand Prix of Mosport
|
Report
|
2011
|
July 24
|
Klaus Graf Lucas Luhr
|
Muscle Milk Aston Martin Racing
|
Lola-Aston Martin B08/62
|
2 hours, 45 minutes
|
Mobil 1 presents the Grand Prix of Mosport
|
Report
|
2012
|
July 22
|
Klaus Graf Lucas Luhr
|
Muscle Milk Pickett Racing
|
HPD ARX-03a
|
2 hours, 45 minutes
|
Mobil 1 presents the Grand Prix of Mosport
|
Report
|
2013
|
July 21
|
Klaus Graf
Lucas Luhr
|
Muscle Milk Pickett Racing
|
HPD ARX-03c
|
2 hours, 45 minutes
|
Mobil 1 SportsCar Grand Prix
|
Report
|
IMSA WeatherTech SportsCar Championship
|
2014
|
July 13
|
Olivier Pla Gustavo Yacamán
|
OAK Racing
|
Morgan LMP2-Nissan
|
2 hours, 45 minutes
|
Mobil 1 SportsCar Grand Prix
|
Report
|
2015
|
July 12
|
Jordan Taylor
Ricky Taylor
|
Wayne Taylor Racing
|
Dallara Corvette DP
|
2 hours, 40 minutes
|
Mobil 1 SportsCar Grand Prix
|
Report
|
2016
|
July 10
|
Dane Cameron Eric Curran
|
Whelen Engineering Racing
|
Coyote Corvette DP
|
2 hours, 40 minutes
|
Mobil 1 SportsCar Grand Prix
|
Report
|
2017
|
July 9
|
Dane Cameron Eric Curran
|
Whelen Engineering Racing
|
Cadillac DPi-V.R
|
2 hours, 40 minutes
|
Mobil 1 SportsCar Grand Prix
|
Report
|
2018
|
July 8
|
Colin Braun Jon Bennett
|
CORE Autosport
|
Oreca 07 Gibson GK428 4.2 L V8
|
2 hours, 40 minutes
|
Mobil 1 SportsCar Grand Prix
|
Report
|
2019
|
July 7
|
Oliver Jarvis
Tristan Nunez
|
Mazda Team Joest
|
Mazda RT24-P Mazda MZ-2.0T 2.0 L Turbo I4
|
2 hours, 40 minutes
|
Mobil 1 SportsCar Grand Prix
|
Report
|
2020
|
Canceled due to the COVID-19 pandemic
|
2021
|
July 4
|
TBD
|
TBD
|
TBD
|
2 hours, 40 minutes
|
Mobil 1 SportsCar Grand Prix
|
Report
|