| Year | Driver(s) | Car | MPH |
| 1962 | Dan Gurney | Lotus 19 Ford | 104.101 |
| 1963 | Pedro Rodriguez | Ferrari GTO | 102.074 |
| 1964 | Pedro Rodriguez/Phil Hill | Ferrari GTO | 98.230 |
| 1965 | Ken Miles/Lloyd Ruby | Ford GT | 99.944 |
| 1966 | Ken Miles/Lloyd Ruby | Ford Mk. II | 108.020 |
| 1967 | Lorenzo Bandini/Chris Amon | Ferrari 330 | 105.688 |
| 1968 | Vic Elford/Jochen Neerpasch | Porsche 907 | 106.697 |
| 1969 | Mark Donohue/Chuck Parsons | Lola Chevrolet | 99.268 |
| 1970 | Pedro Rodriguez/Leo Kinnunen | Porsche 917 | 114.866 |
| 1971 | Pedro Rodriguez/Jackie Oliver | Porsche 917K | 109.203 |
| 1972 | Mario Andretti/Jacky Ickx | Ferrari 312P | 122.573 |
| 1973 | Peter Gregg/Hurley Haywood | Porsche Carrera | 106.225 |
| 1974 | NOT HELD |
| 1975 | Peter Gregg/Hurley Haywood | Porsche Carrera | 108.531 |
| 1976 | Peter Gregg/ Brian Redman/John Fitzpatrick | BMW CSL | 104.040 |
| 1977 | Hurley Haywood/John Graves/Dave Helmick | Porsche Carrera | 108.801 |
| 1978 | Peter Gregg/Rolf Stommelen/Antoine Hezemans | Porsche Turbo | 108.743 |
| 1979 | Hurley Haywood/Ted Field/Danny Ongais | Porsche Turbo | 109.249 |
| 1980 | Rolf Stommelen/Volkert Merl/Reinhold Joest | Porsche Turbo | 114.303 |
| 1981 | Bobby Rahal/Brian Redman/Bob Garretson | Porsche Turbo | 113.153 |
| 1982 | John Paul Sr./John Paul Jr.//Rolf Stommelen | Porsche Turbo | 114.794 |
| 1983 | A.J. Foyt/Preston Henn/Bob Wollek/Claude Ballot-Lena | Porsche Turbo | 98.781 |
| 1984 | Sarel van der Merwe/Tony Martin/Graham Duxbury | March Porsche | 103.119 |
| 1985 | A.J. Foyt/Bob Wollek/Al Unser Sr./Thierry Boutsen | Porsche 962 | 104.162 |
| 1986 | Al Holbert/Derek Bell/Al Unser Jr | Porsche 962 | 105.484 |
| 1987 | Al Holbert/Derek Bell/Chip Robinson/Al Unser Jr | Porsche 962 | 111.599 |
| 1988 | Raul Boesel/Martin Brundle/John Nielsen | Jaguar XJR-9 | 107.943 |
| 1989 | John Andretti/Derek Bell/Bob Wollek | Porsche 962 | 92.009 |
| 1990 | Davy Jones/Jan Lammers/Andy Wallace | Jaguar XJR-12 | 112.857 |
| 1991 | Hurley Haywood/John Winter/Frank Jelinski/Henri Pescarolo/Bob Wollek | Porsche 962-C | 106.633 |
| 1992 | Masahiro Hasemi/Kazuyoshi Hoshino/Toshio Suzuki | Nissan R-91 | 112.897 |
| 1993 | P.J. Jones/Mark Dismore/Rocky Moran | Toyota Eagle | 103.537 |
| 1994 | Paul Gentilozzi/Scott Pruett/Butch Leitzinger/Steve Millen | Nissan 300 ZXT | 104.80 |
| 1995 | Jurgen Lassig/Christophe Bouchut/Giovanni Lavaggi/Marco Werner | Porsche Spyder | 102.280 |
| 1996 | Wayne Taylor/Scott Sharp/Jim Pace | Oldsmobile Arness MK-III | 103.32 |
| 1997 | Rob Dyson/James Weaver/Butch Leitzinger/Andy Wallace/John Paul Jr./Eliot Forbes-Robinson/John Schneider | Ford R&S MK-III | 102.29 |
| 1998 | Mauro Baldi/Arie Luyendyk/Gianpiero Moretti | Ferrari 333SP | |
| 1999 | Elliot Forbes-Robinson/Butch Leitzinger/Andy Wallace | Riley & Scott Ford | 104.957 |
| 2000 | Olivier Beretta/Dominique Dupuy/Karl Wendlinger | Dodge Viper | 107.207 |
| 2001 | Ron Fellows/Chris Kneifel/Frank Freon/Johnny O'Connell | Chevrolet Corvette | 97.293 |
| 2002 | Didier Theys/Fredy Lienhard/Max Papis/Mauro Baldi | Judd Dallara | 110.824 |
| 2003 | Kevin Buckler/Michael Schrom/Timo Bernhard/Jorg Bergmeister | Porsche | 103.012 |
| 2004 | Christian Fittipaldi/Terry Borcheller/Forest Barber/Andy Pilgrim | Pontiac Doran | 77.927 |
| 2005 | Max Angelelli/Wayne Taylor/Emmanuel Collard | Pontiac Riley | 105.205 |
| 2006 | Scott Dixon/Dan Wheldon/Casey Mears | Lexus Riley | 108.826 |
| 2007 | Juan Pablo Montoya/Scott Pruett/Salvador Duran | Lexus Riley | 99.02 |
| 2008 | Juan Pablo Montoya/Dario Manchetti/Scott Pruett/Memo Rojas | Lexus Riley | --- |