Porsche has won the event nine times, most recently in 2007. Augie Pabst, Chuck Parsons, and Geoff Brabham have each won three times as drivers.
Date | Overall Winner(s) | Entrant | Car | Distance/Duration | Race Title | Report | SCCA National Sports Car Championship |
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1955 | USA}} Phil Hill | USA}} George E. Tilp | Ferrari 750 Monza | 150|mi|km}} | Elkhart Lake's Road America Road Race | report |
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1956 | USA}} John Kilborn {{flagicon|USA}} Howard Hively | USA}} John Kilborn | Ferrari 375 MM | 6 hours | Road America 6 Hours | report |
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1957 | USA}} Phil Hill | USA}} Gene Greenspun | Ferrari 315 Sport | 500|mi|km}} | Road America 500 | report |
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1958 | SUI}} Gaston Andrey {{flagicon|USA}} Lance Reventlow | USA}} North American Racing Team | Ferrari 335 Sport | 500|mi|km}} | Road America 500 | report |
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1959 | USA}} Ed Crawford {{flagicon|USA}} Walt Hansgen | USA}} Briggs Cunningham | Lister - Jaguar | 500|mi|km}} | Road America 500 | report |
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1960 | USA}} Dave Causey {{flagicon|USA}} Luke Stear | USA}} Dave Causey | Maserati Tipo 61 | 500|mi|km}} | Road America 500 | report |
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1961 | USA}} Walt Hansgen {{flagicon|USA}} Augie Pabst | USA}} Briggs Cunningham | Maserati Tipo 63 | 500|mi|km}} | Road America 500 | report |
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1962 | USA}} Jim Hall {{flagicon|USA}} Hap Sharp | USA}} Jim Hall | Chaparral 1-Chevrolet | 500|mi|km}} | Road America 500 | report |
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United States Road Racing Championship |
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1963 | USA}} Augie Pabst {{flagicon|USA}} Bill Wuesthoff | USA}} Porsche Car Import/Oliver Schmidt | Elva Mk.7-Porsche | 500|mi|km}} | Road America 500 | report |
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1964 | USA}} Walt Hansgen {{flagicon|USA}} Augie Pabst | USA}} John Mecom, Jr. | Ferrari 250 LM | 500|mi|km}} | Road America 500 | report |
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1965 | USA}} Jim Hall {{flagicon|USA}} Hap Sharp {{flagicon|USA}} Ronnie Hissom | USA}} Jim Hall | Chaparral 2A-Chevrolet | 500|mi|km}} | Road America 500 | report |
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1966 | USA}} Chuck Parsons | USA}} Randy Hilton | McLaren Elva Mk.II-Chevrolet | 500|mi|km}} | Road America 500 | report |
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1967 | USA}} Chuck Parsons {{flagicon|USA}} Skip Scott | USA}} Carl Haas | McLaren Elva Mk.III-Chevrolet | 500|mi|km}} | Road America 500 | report |
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1968 | USA}} Chuck Parsons {{flagicon|USA}} Skip Scott | USA}} Carl Haas | Lola T70 Mk.3-Chevrolet | 500|mi|km}} | Road America 500 | report |
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1969-1978: Not held |
IMSA GT Championship |
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1979 | GBR}} David Hobbs {{flagicon|GBR}} Derek Bell | USA}} McLaren North America | BMW 320i Turbo | 500|mi|km}} | Pabst 500 | report |
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1980 | USA}} John Paul, Jr. {{flagicon|USA}} John Paul, Sr. | USA}} JLP Racing | Porsche 935 JLP-2 | 500|mi|km}} | Pabst 500 | report |
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1981 | GER}} Rolf Stommelen {{flagicon|GER}} Harald Grohs | GER}} Andial Meister Racing | Porsche 935 K3 | 500|mi|km}} | Pabst 500 | report |
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1982 | GBR}} John Fitzpatrick {{flagicon|GBR}} David Hobbs | GBR}} John Fitzpatrick Racing | Porsche 935 K4 | 500|mi|km}} | Pabst 500 | report |
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1983 | GER}} Klaus Ludwig {{flagicon|USA}} Tim Coconis | GER}} Zakspeed | Ford Mustang GTP | 500|mi|km}} | Pabst 500 | report |
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1984 | USA}} Al Holbert {{flagicon|GBR}} Derek Bell | USA}} Holbert Racing | Porsche 962 | 500|mi|km}} | Budweiser 500 | report |
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1985 | USA}} Drake Olson {{flagicon|USA}} Bobby Rahal | USA}} Dyson Racing | Porsche 962 | 500|mi|km}} | Löwenbräu Classic | report |
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1986 | USA}} Al Holbert {{flagicon|USA}} Al Unser, Jr. | USA}} Holbert Racing | Porsche 962 | 500|mi|km}} | Löwenbräu Classic | report |
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1987 | USA}} Price Cobb {{flagicon|GBR}} Johnny Dumfries | USA}} Dyson Racing | Porsche 962 | 500|mi|km}} | Löwenbräu Classic | report |
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1988 | AUS}} Geoff Brabham {{flagicon|USA}} John Morton | USA}} Electramotive Engineering | Nissan GTP ZX-T | 500|km|mi|abbr=on}} | Miller High Life 500 | report |
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1989 | AUS}} Geoff Brabham {{flagicon|USA}} Chip Robinson | USA}} Electramotive Engineering | Nissan GTP ZX-T | 500|km|mi|abbr=on}} | Miller High Life 500 | report |
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1990 | AUS}} Geoff Brabham | USA}} Nissan Performance | Nissan NPT-90 | 250|km|mi|abbr=on}}{{ref|A|A}} | Chicago Tribune presents the Nissan Grand Prix of Road America | report |
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1991 | USA}} Davy Jones | GBR}} Bud Light/Jaguar Racing | Jaguar XJR-16 | 300|km|mi|abbr=on}}{{ref|B|B}} | Nissan Grand Prix of Road America | report |
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1992 | ARG}} Juan-Manuel Fangio II | USA}} All American Racers | Eagle Mk III Toyota | 2 hours | Nissan Grand Prix of Road America | report |
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1993 | GER}} John Winter {{flagicon|GER}} Manuel Reuter | GER}} Joest Porsche Racing | Porsche 962C | 500|km|mi|abbr=on}} | 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 | BEL}} Didier Theys {{flagicon|SUI}} Freddy Lienhard {{flagicon|ITA}} Mauro Baldi | USA}} Doran Lista Racing | Ferrari 333 SP-Judd | 500|mi|km}} | Sargento Road America 500 | report |
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2001 | BEL}} Didier Theys {{flagicon|SUI}} Freddy Lienhard {{flagicon|ITA}} Mauro Baldi | USA}} Lista Doran Racing | Ferrari 333 SP-Judd | 500|mi|km}} | Sargento Road America 500 | report |
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American Le Mans Series |
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2002 | DEN}} Tom Kristensen {{flagicon|ITA}} Rinaldo Capello | GER}} Audi Sport North America | Audi R8 | 4 hours, 15 minutes | Road America 500 presented by the Chicago Tribune | report |
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2003 | GBR}} Johnny Herbert {{flagicon|FIN}} JJ Lehto | USA}} ADT Champion Racing | Audi R8 | 2 hours, 45 minutes | Road America 500 presented by the Chicago Tribune | report |
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2004 | FIN}} JJ Lehto {{flagicon|GER}} Marco Werner | USA}} ADT Champion Racing | Audi R8 | 2 hours, 45 minutes | Road America 500 presented by the Chicago Tribune | report |
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2005 | GER}} Frank Biela {{flagicon|ITA}} Emanuele Pirro | USA}} ADT Champion Racing | Audi R8 | 2 hours, 45 minutes | Generac 500 | report |
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2006 | GER}} Frank Biela {{flagicon|ITA}} Emanuele Pirro | USA}} Audi Sport North America | Audi R10 TDI | 2 hours, 45 minutes | Generac 500 | report |
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2007 | FRA}} Romain Dumas {{flagicon|GER}} Timo Bernhard | USA}} Penske Racing | Porsche RS Spyder | 4 hours | Generac 500 | report |
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2008 | GER}} Lucas Luhr {{flagicon|GER}} Marco Werner | USA}} Audi Sport North America | Audi R10 TDI | 4 hours | Generac 500 | report |
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2009 | USA}} Scott Sharp {{flagicon|AUS}} David Brabham | USA}} Patrón Highcroft Racing | Acura ARX-02a | 2 hours, 45 minutes | Time Warner Cable Road Race Showcase | report |
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2010 | UK}} Paul Drayson {{flagicon|UK}} Jonny Cocker | UK}} Drayson Racing | Lola B09/60 | 2 hours, 45 minutes | American Le Mans Series powered by eStar | report |
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2011 | DEU}} Klaus Graf {{flagicon|DEU}} Lucas Luhr | USA}} Muscle Milk Aston Martin Racing | Lola-Aston Martin B08/62 | 4 hours | Time Warner Cable Road Race Showcase | report |
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2012 | USA}} Chris Dyson {{flagicon|GBR}} Guy Smith | USA}} Dyson Racing | Lola B12/60 Mazda MZR-R | 4 hours | Road America Road Race Showcase | report [1] |
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2013 | DEU}} Klaus Graf {{flagicon|DEU}} Lucas Luhr | USA}} Muscle Milk Pickett Racing | HPD ARX-03c Honda | 2 hours, 45 minutes | Orion Energy Systems 245 | report [2] |
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United SportsCar Championship |
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2014 | PRT}} João Barbosa {{flagicon|BRA}} Christian Fittipaldi | USA}} Action Express Racing | Coyote Corvette DP Chevrolet | 2 hours, 45 minutes | Continental Tire Road Race Showcase | report [3] |
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2015 | USA}} Dane Cameron {{flagicon|USA}} Eric Curran | USA}} Action Express Racing | Coyote Corvette DP Chevrolet | 2 hours, 40 minutes | Continental Tire Road Race Showcase | report |
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2016 | USA}} Dane Cameron {{flagicon|USA}} Eric Curran | USA}} Action Express Racing | Coyote Corvette DP Chevrolet | 2 hours, 40 minutes | Continental Tire Road Race Showcase | report |
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2017 | BRA}} Pipo Derani {{flagicon|USA}} Johannes van Overbeek | USA}} Tequila Patrón ESM | Nissan Onroak DPi | 2 hours, 40 minutes | Continental Tire Road Race Showcase | report |
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2018 | USA}} Jon Bennett {{flagicon|USA}} Colin Braun | USA}} CORE Autosport | Oreca 07 | 2 hours, 40 minutes | Continental Tire Road Race Showcase | report[4] |
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1. ^{{cite web|url=http://www.imsa.com/sites/default/files/uploads/ALMS%20Road%20America%20Race%20Official%20REV.pdf|title=ALMS 2012 Road Race Showcase Official Race Report|publisher = International Motor Sports Association|format=PDF|date=7 September 2012|accessdate=24 November 2014}}
2. ^{{cite web|url=http://www.imsa.com/sites/default/files/uploads/2013ALMS%20Road%20America%20Race%20Official.pdf|title=2013 Orion Energy Systems 245 at Road America Official Race Report|publisher = International Motor Sports Association|format=PDF|date=13 August 2013|accessdate=24 November 2014}}
3. ^{{cite web|url=http://www.imsa.com/sites/default/files/race_result_files/2014%20TUDOR%20Championship%20Road%20America%20Race%20Official.pdf?invalidate-cache|title=2014 Continental Tire Road Race Showcase Official Race Report|publisher = International Motor Sports Association|format=PDF|date=14 August 2014|accessdate=24 November 2014}}
4. ^{{Cite web|url=http://results.imsa.com/Results/18_2018/16_Road%20America/01_IMSA%20WeatherTech%20SportsCar%20Championship/201808051335_Race/03_Results_Race_Official.PDF|title=Official Race Results|last=|first=|date=|website=International Motor Sports Association|archive-url=https://web.archive.org/web/20181209052243/http://results.imsa.com/Results/18_2018/16_Road%20America/01_IMSA%20WeatherTech%20SportsCar%20Championship/201808051335_Race/03_Results_Race_Official.PDF|archive-date=2018-12-09|dead-url=|access-date=2018-09-24}}
5. ^{{citation |url=http://www.racingsportscars.com/race/Road_America-1990-08-19.html |title=Road America 500 Kilometers 1990 |publisher=Racing Sports Cars |accessdate=2009-11-14}}
6. ^{{citation |url=http://www.wunderground.com/history/airport/KFLD/1990/8/18/DailyHistory.html |title=History for Fond du Lac, WI |publisher=Weather Underground |accessdate=2009-11-14}}