| Date |
Pilote(s) |
Équipe |
Voiture |
Distance/Durée |
Nom de la course |
| SCCA National Sports Car Championship |
| 1955 |
Phil Hill |
George E. Tilp |
Ferrari 750 Monza |
150 milles (241,4016 km) |
Elkhart Lake's Road America Road Race |
| 1956 |
John Kilborn
Howard Hively |
John Kilborn |
Ferrari 375 MM |
6 heures |
Road America 6 Hours |
| 1957 |
Phil Hill |
Gene Greenspun |
Ferrari 315 Sport |
500 milles (804,672 km) |
Road America 500 |
| 1958 |
Gaston Andrey
Lance Reventlow |
North American Racing Team |
Ferrari 335 Sport |
500 milles (804,672 km) |
Road America 500 |
| 1959 |
Ed Crawford
Walt Hansgen |
Briggs Cunningham |
Lister - Jaguar |
500 milles (804,672 km) |
Road America 500 |
| 1960 |
Dave Causey
Luke Stear |
Dave Causey |
Maserati Tipo 61 |
500 milles (804,672 km) |
Road America 500 |
| 1961 |
Walt Hansgen
Augie Pabst |
Briggs Cunningham |
Maserati Tipo 63 |
500 milles (804,672 km) |
Road America 500 |
| 1962 |
Jim Hall
Hap Sharp |
Jim Hall |
Chaparral 1-Chevrolet |
500 milles (804,672 km) |
Road America 500 |
| United States Road Racing Championship |
| 1963 |
Augie Pabst
Bill Wuesthoff |
Porsche Car Import/Oliver Schmidt |
Elva Mk.7-Porsche |
500 milles (804,672 km) |
Road America 500 |
| 1964 |
Walt Hansgen
Augie Pabst |
John Mecom, Jr. |
Ferrari 250 LM |
500 milles (804,672 km) |
Road America 500 |
| 1965 |
Jim Hall
Hap Sharp
Ronnie Hissom |
Jim Hall |
Chaparral 2A-Chevrolet |
500 milles (804,672 km) |
Road America 500 |
| 1966 |
Chuck Parsons |
Randy Hilton |
McLaren Elva Mk.II-Chevrolet |
500 milles (804,672 km) |
Road America 500 |
| 1967 |
Chuck Parsons
Skip Scott |
Carl Haas |
McLaren Elva Mk.III-Chevrolet |
500 milles (804,672 km) |
Road America 500 |
| 1968 |
Chuck Parsons
Skip Scott |
Carl Haas |
Lola T70 Mk.3-Chevrolet |
500 milles (804,672 km) |
Road America 500 |
| 1969-1978: Non tenue |
| IMSA GT Championship |
| 1979 |
David Hobbs
Derek Bell |
McLaren North America |
BMW 320i Turbo |
500 milles (804,672 km) |
Pabst 500 |
| 1980 |
John Paul Jr.
John Paul Sr. |
JLP Racing |
Porsche 935 JLP-2 |
500 milles (804,672 km) |
Pabst 500 |
| 1981 |
Rolf Stommelen
Harald Grohs |
Andial Meister Racing |
Porsche 935 K3 |
500 milles (804,672 km) |
Pabst 500 |
| 1982 |
John Fitzpatrick
David Hobbs |
John Fitzpatrick Racing |
Porsche 935 K4 |
500 milles (804,672 km) |
Pabst 500 |
| 1983 |
Klaus Ludwig
Tim Coconis |
Zakspeed |
Ford Mustang GTP |
500 milles (804,672 km) |
Pabst 500 |
| 1984 |
Al Holbert
Derek Bell |
Holbert Racing |
Porsche 962 |
500 milles (804,672 km) |
Budweiser 500 |
| 1985 |
Drake Olson (en)
Bobby Rahal |
Dyson Racing |
Porsche 962 |
500 milles (804,672 km) |
Löwenbräu Classic |
| 1986 |
Al Holbert
Al Unser Jr. |
Holbert Racing |
Porsche 962 |
500 milles (804,672 km) |
Löwenbräu Classic |
| 1987 |
Price Cobb
Johnny Dumfries |
Dyson Racing |
Porsche 962 |
500 milles (804,672 km) |
Löwenbräu Classic |
| 1988 |
Geoff Brabham
John Morton |
Electramotive Engineering |
Nissan GTP ZX-T (en) |
500 km (310,685596 mi) |
Miller High Life 500 |
| 1989 |
Geoff Brabham
Chip Robinson |
Electramotive Engineering |
Nissan GTP ZX-T (en) |
500 km (310,685596 mi) |
Miller High Life 500 |
| 1990 |
Geoff Brabham |
Nissan Performance |
Nissan NPT-90 (en) |
250 km (155,342798 mi)[A] |
Chicago Tribune presents the Nissan Grand Prix of Road America |
| 1991 |
Davy Jones |
Bud Light Jaguar Racing |
Jaguar XJR-16 |
300 km (186,4113576 mi)[B] |
Nissan Grand Prix of Road America |
| 1992 |
Juan-Manuel Fangio II |
All American Racers |
Eagle Mk III (en) Toyota |
2 heures |
Nissan Grand Prix of Road America |
| 1993 |
John Winter
Manuel Reuter |
Joest Porsche Racing |
Porsche 962C |
500 km (310,685596 mi) |
Piggly Wiggly Grand Prix 500 Kilometers |
| 1994-1999 Non tenue |
| Grand American Road Racing Championship |
| 2000 |
Didier Theys
Fredy Lienhard
Mauro Baldi |
Doran Lista Racing |
Ferrari 333 SP-Judd |
500 milles (804,672 km) |
Sargento Road America 500 |
| 2001 |
Didier Theys
Fredy Lienhard
Mauro Baldi |
Lista Doran Racing |
Ferrari 333 SP-Judd |
500 milles (804,672 km) |
Sargento Road America 500 |
| American Le Mans Series |
| 2002 |
Tom Kristensen
Rinaldo Capello |
Audi Sport North America |
Audi R8 |
4 heures, 15 minutes |
Road America 500 presented by the Chicago Tribune |
| 2003 |
Johnny Herbert
JJ Lehto |
ADT Champion Racing |
Audi R8 |
2 heures, 45 minutes |
Road America 500 presented by the Chicago Tribune |
| 2004 |
JJ Lehto
Marco Werner |
ADT Champion Racing |
Audi R8 |
2 heures, 45 minutes |
Road America 500 presented by the Chicago Tribune |
| 2005 |
Frank Biela
Emanuele Pirro |
ADT Champion Racing |
Audi R8 |
2 heures, 45 minutes |
Generac 500 |
| 2006 |
Frank Biela
Emanuele Pirro |
Audi Sport North America |
Audi R10 TDI |
2 heures, 45 minutes |
Generac 500 |
| 2007 |
Romain Dumas
Timo Bernhard |
Penske Racing |
Porsche RS Spyder |
4 heures |
Generac 500 |
| 2008 |
Lucas Luhr
Marco Werner |
Audi Sport North America |
Audi R10 TDI |
4 heures |
Generac 500 |
| 2009 |
Scott Sharp
David Brabham |
PatrĂłn Highcroft Racing |
Acura ARX-02 |
2 heures, 45 minutes |
Time Warner Cable Road Race Showcase |
| 2010 |
Paul Drayson
Jonny Cocker |
Drayson Racing |
Lola B09/60 |
2 heures, 45 minutes |
American Le Mans Series powered by eStar |
| 2011 |
Klaus Graf
Lucas Luhr |
Muscle Milk Pickett Aston MartinRacing (en) |
Lola B09/60-Aston Martin |
4 heures |
Time Warner Cable Road Race Showcase |
| 2012 |
Chris Dyson
Guy Smith |
Dyson Racing |
Lola B12/60 Mazda MZR-R |
4 heures |
Road America Road Race Showcase |
| 2013 |
Klaus Graf
Lucas Luhr |
Muscle Milk Pickett Racing (en) |
HPD ARX-03 Honda |
2 heures, 45 minutes |
Orion Energy Systems 245 |
| United SportsCar Championship |
| 2014 |
JoĂŁo Barbosa
Christian Fittipaldi |
Action Express Racing |
Coyote Corvette DP Chevrolet |
2 heures, 45 minutes |
Continental Tire Road Race Showcase |
| 2015 |
Dane Cameron
Eric Curran |
Action Express Racing |
Coyote Corvette DP Chevrolet |
2 heures, 40 minutes |
Continental Tire Road Race Showcase |
| 2016 |
Dane Cameron
Eric Curran |
Action Express Racing |
Coyote Corvette DP Chevrolet |
2 heures, 40 minutes |
Continental Tire Road Race Showcase |
| 2017 |
Pipo Derani
Johannes van Overbeek |
Tequila PatrĂłn ESM |
Nissan Onroak DPi |
2 heures, 40 minutes |
Continental Tire Road Race Showcase |
| 2018 |
Jon Bennett
Colin Braun |
CORE Autosport |
Oreca 07 |
2 heures, 40 minutes |
Continental Tire Road Race Showcase |
| 2019 |
Jonathan Bomarito
Harry Tincknell |
Mazda Team Joest |
Mazda RT24-P |
2 heures, 40 minutes |
Continental Tire Road Race Showcase |
| 2020 |
Hélio Castroneves
Ricky Taylor |
Acura Team Penske |
Acura ARX-05 |
2 heures, 40 minutes |
Road Race Showcase at Road America |
| 2021 |
Pipo Derani
Felipe Nasr |
Whelen Engineering Racing |
Cadillac DPi-V.R |
2 heures, 40 minutes |
2021 IMSA Sportscar Weekend |
| 2022 |
Filipe Albuquerque
Ricky Taylor |
Konica Minolta Acura |
Acura ARX-05 |
2 heures, 40 minutes |
IMSA Fastlane SportsCar Weekend |