Date | Overall Winner(s) | Entrant | Car | Distance/Duration | Race Title | Report |
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SCCA National Sports Car Championship |
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1955 | Phil Hill | George E. Tilp | Ferrari 750 Monza | 150 miles (240 km) | Elkhart Lake's Road America Road Race | report |
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1956 | John Kilborn Howard Hively | John Kilborn | Ferrari 375 MM | 6 hours | Road America 6 Hours | report |
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1957 | Phil Hill | Gene Greenspun | Ferrari 315 S | 500 miles (800 km) | Road America 500 | report |
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1958 | Gaston Andrey Lance Reventlow | North American Racing Team | Ferrari 335 S | 500 miles (800 km) | Road America 500 | report |
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1959 | Ed Crawford Walt Hansgen | Briggs Cunningham | Lister - Jaguar | 500 miles (800 km) | Road America 500 | report |
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1960 | Dave Causey Luke Stear | Dave Causey | Maserati Tipo 61 | 500 miles (800 km) | Road America 500 | report |
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1961 | Walt Hansgen Augie Pabst | Briggs Cunningham | Maserati Tipo 63 | 500 miles (800 km) | Road America 500 | report |
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1962 | Jim Hall Hap Sharp | Jim Hall | Chaparral 1-Chevrolet | 500 miles (800 km) | Road America 500 | report |
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United States Road Racing Championship |
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1963 | Augie Pabst Bill Wuesthoff | Porsche Car Import/Oliver Schmidt | Elva Mk.7-Porsche | 500 miles (800 km) | Road America 500 | report |
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1964 | Walt Hansgen Augie Pabst | John Mecom Jr. | Ferrari 250 LM | 500 miles (800 km) | Road America 500 | report |
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1965 | Jim Hall Hap Sharp Ronnie Hissom | Jim Hall | Chaparral 2A-Chevrolet | 500 miles (800 km) | Road America 500 | report |
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1966 | Chuck Parsons | Randy Hilton | McLaren Elva Mk.II-Chevrolet | 500 miles (800 km) | Road America 500 | report |
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1967 | Chuck Parsons Skip Scott | Carl Haas | McLaren Elva Mk.III-Chevrolet | 500 miles (800 km) | Road America 500 | report |
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1968 | Chuck Parsons Skip Scott | Carl Haas | Lola T70 Mk.3-Chevrolet | 500 miles (800 km) | Road America 500 | report |
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1969–1978: Not held |
IMSA GT Championship |
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1979 | David Hobbs Derek Bell | McLaren North America | BMW 320i Turbo | 500 miles (800 km) | Pabst 500 | report |
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1980 | John Paul Jr. John Paul, Sr. | JLP Racing | Porsche 935 JLP-2 | 500 miles (800 km) | Pabst 500 | report |
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1981 | Rolf Stommelen Harald Grohs | Andial Meister Racing | Porsche 935 K3 | 500 miles (800 km) | Pabst 500 | report |
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1982 | John Fitzpatrick David Hobbs | John Fitzpatrick Racing | Porsche 935 K4 | 500 miles (800 km) | Pabst 500 | report |
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1983 | Klaus Ludwig Tim Coconis | Zakspeed | Ford Mustang GTP | 460 miles (740 km) A | Pabst 500 | report |
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1984 | Al Holbert Derek Bell | Holbert Racing | Porsche 962 | 500 miles (800 km) | Budweiser 500 | report |
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1985 | Drake Olson Bobby Rahal | Dyson Racing | Porsche 962 | 500 miles (800 km) | Löwenbräu Classic | report |
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1986 | Al Holbert Al Unser Jr. | Holbert Racing | Porsche 962 | 500 miles (800 km) | Löwenbräu Classic | report |
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1987 | Price Cobb Johnny Dumfries | Dyson Racing | Porsche 962 | 500 miles (800 km) | Löwenbräu Classic | report |
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1988 | Geoff Brabham John Morton | Electramotive Engineering | Nissan GTP ZX-T | 500 km (310 mi) | Miller High Life 500 | report |
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1989 | Geoff Brabham Chip Robinson | Electramotive Engineering | Nissan GTP ZX-T | 500 km (310 mi) | Miller High Life 500 | report |
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1990 | Geoff Brabham | Nissan Performance | Nissan NPT-90 | 250 km (160 mi) B | Chicago Tribune presents the Nissan Grand Prix of Road America | report |
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1991 | Davy Jones | Bud Light/Jaguar Racing | Jaguar XJR-16 | 300 km (190 mi) C | Nissan Grand Prix of Road America | report |
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1992 | Juan-Manuel Fangio II | All American Racers | Eagle Mk III Toyota | 2 hours | Nissan Grand Prix of Road America | report |
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1993 | John Winter Manuel Reuter | Joest Porsche Racing | Porsche 962C | 500 km (310 mi) | Piggly Wiggly Grand Prix 500 Kilometers | report |
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1994–1999 Not held |
Grand American Road Racing Championship |
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2000 | Didier Theys Freddy Lienhard Mauro Baldi | Doran Lista Racing | Ferrari 333 SP-Judd | 500 miles (800 km) | Sargento Road America 500 | report |
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2001 | Didier Theys Freddy Lienhard Mauro Baldi | Lista Doran Racing | Ferrari 333 SP-Judd | 500 miles (800 km) | Sargento Road America 500 | report |
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American Le Mans Series |
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2002 | Tom Kristensen Rinaldo Capello | Audi Sport North America | Audi R8 | 4 hours, 15 minutes | Road America 500 presented by the Chicago Tribune | report |
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2003 | Johnny Herbert JJ Lehto | ADT Champion Racing | Audi R8 | 2 hours, 45 minutes | Road America 500 presented by the Chicago Tribune | report |
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2004 | JJ Lehto Marco Werner | ADT Champion Racing | Audi R8 | 2 hours, 45 minutes | Road America 500 presented by the Chicago Tribune | report |
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2005 | Frank Biela Emanuele Pirro | ADT Champion Racing | Audi R8 | 2 hours, 45 minutes | Generac 500 | report |
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2006 | Frank Biela Emanuele Pirro | Audi Sport North America | Audi R10 TDI | 2 hours, 45 minutes | Generac 500 | report |
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2007 | Romain Dumas Timo Bernhard | Penske Racing | Porsche RS Spyder | 4 hours | Generac 500 | report |
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2008 | Lucas Luhr Marco Werner | Audi Sport North America | Audi R10 TDI | 4 hours | Generac 500 | report |
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2009 | Scott Sharp David Brabham | Patrón Highcroft Racing | Acura ARX-02a | 2 hours, 45 minutes | Time Warner Cable Road Race Showcase | report |
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2010 | Paul Drayson Jonny Cocker | Drayson Racing | Lola B09/60 | 2 hours, 45 minutes | American Le Mans Series powered by eStar | report |
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2011 | Klaus Graf Lucas Luhr | Muscle Milk Aston Martin Racing | Lola-Aston Martin B08/62 | 4 hours | Time Warner Cable Road Race Showcase | report |
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2012 | Chris Dyson Guy Smith | Dyson Racing | Lola B12/60 Mazda MZR-R | 4 hours | Road America Road Race Showcase | report [1] |
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2013 | Klaus Graf Lucas Luhr | Muscle Milk Pickett Racing | HPD ARX-03c Honda | 2 hours, 45 minutes | Orion Energy Systems 245 | report [2] |
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IMSA SportsCar Championship |
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2014 | João Barbosa Christian Fittipaldi | Action Express Racing | Coyote Corvette DP Chevrolet | 2 hours, 45 minutes | Continental Tire Road Race Showcase | report [3] |
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2015 | Dane Cameron Eric Curran | Action Express Racing | Coyote Corvette DP Chevrolet | 2 hours, 40 minutes | Continental Tire Road Race Showcase | report |
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2016 | Dane Cameron Eric Curran | Action Express Racing | Coyote Corvette DP Chevrolet | 2 hours, 40 minutes | Continental Tire Road Race Showcase | report |
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2017 | Pipo Derani Johannes van Overbeek | Tequila Patrón ESM | Nissan Onroak DPi | 2 hours, 40 minutes | Continental Tire Road Race Showcase | report |
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2018 | Jon Bennett Colin Braun | CORE Autosport | Oreca 07 | 2 hours, 40 minutes | Continental Tire Road Race Showcase | report [4] |
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2019 | Jonathan Bomarito Harry Tincknell | Joest Racing | Mazda RT24-P | 2 hours, 40 minutes | Road Race Showcase at Road America | Report |
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2020 | Hélio Castroneves Ricky Taylor | Team Penske | Acura ARX-05 | 2 hours, 40 minutes | IMSA SportsCar Weekend | Report |
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2021 | Pipo Derani Felipe Nasr | Action Express Racing | Cadillac DPi-V.R | 2 hours, 40 minutes | IMSA SportsCar Weekend | Report |
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2022 | Filipe Albuquerque Ricky Taylor | WTR - Konica Minolta Acura | Acura ARX-05 | 2 hours, 40 minutes | IMSA Fastlane SportsCar Weekend | report |
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2023 | Matt Campbell Felipe Nasr | Porsche Penske Motorsport | Porsche 963 | 2 hours, 40 minutes | IMSA SportsCar Weekend | report |
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2024 | Nick Tandy Mathieu Jaminet | Porsche Penske Motorsport | Porsche 963 | 2 hours, 40 minutes | IMSA SportsCar Weekend | report |
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