| Season
| Date
| Race Name
| Winning Driver
| Chassis
| Engine
| Team
|
| USAC Champ Car history
|
| 1968
| July 13
| Nazareth 100
| Al Unser
| Dunlop
| Offy
|
| 1969
| July 12
| Nazareth 100
| Mario Andretti
| Kuzma
| Offy
|
| 1982
| December 4
| Nazareth 100
| Keith Kauffman
| Gambler
| Chevrolet
|
| CART Champ Car history
|
| 1987
| September 20
| Bosch Spark Plug Grand Prix
| Michael Andretti
| March
| Cosworth
| Newman/Haas Racing
|
| 1988
| September 25
| Bosch Spark Plug Grand Prix
| Danny Sullivan
| Penske
| Chevrolet-Ilmor
| Penske Racing
|
| 1989
| September 24
| Bosch Spark Plug Grand Prix
| Emerson Fittipaldi
| Penske
| Chevrolet-Ilmor
| Patrick Racing
|
| 1990 [1]
| October 6
| Marlboro Challenge
| Rick Mears
| Penske
| Chevrolet
| Penske Racing
|
| 1990
| October 7
| Bosch Spark Plug Grand Prix
| Emerson Fittipaldi
| Penske
| Chevrolet-Ilmor
| Penske Racing
|
| 1991
| October 6
| Bosch Spark Plug Grand Prix
| Arie Luyendyk
| Lola
| Chevrolet-Ilmor
| Granatelli Racing Team
|
1992 | October 3
| Marlboro Challenge
| Emerson Fittipaldi
| Penske
| Chevrolet
| Penske Racing
|
| 1992
| October 4
| Bosch Spark Plug Grand Prix
| Bobby Rahal
| Lola
| Chevrolet-Ilmor
| Rahal/Hogan Racing
|
| 1993
| September 19
| Bosch Spark Plug Grand Prix
| Nigel Mansell
| Lola
| Ford-Cosworth
| Newman/Haas Racing
|
| 1994
| September 18
| Bosch Spark Plug Grand Prix
| Paul Tracy
| Penske
| Ilmor
| Penske Racing
|
| 1995
| April 23
| Bosch Spark Plug Grand Prix
| Emerson Fittipaldi
| Penske
| Mercedes-Benz-Ilmor
| Penske Racing
|
| 1996
| April 28
| Bosch Spark Plug Grand Prix
| Michael Andretti
| Lola
| Ford-Cosworth
| Newman/Haas Racing
|
| 1997
| April 27
| Bosch Spark Plug Grand Prix Presented by Toyota
| Paul Tracy
| Penske
| Mercedes-Benz-Ilmor
| Penske Racing
|
| 1998
| April 26
| Bosch Spark Plug Grand Prix Presented by Toyota
| Jimmy Vasser
| Reynard
| Honda
| Chip Ganassi Racing
|
| 1999
| May 2
| Bosch Spark Plug Grand Prix Presented by Toyota
| Juan Pablo Montoya
| Reynard
| Honda
| Chip Ganassi Racing
|
| 2000
| May 27
| Bosch Spark Plug Grand Prix Presented by Toyota
| Gil de Ferran
| Reynard
| Honda
| Penske Racing
|
| 2001
| May 6
| Lehigh Valley Grand Prix
| Scott Dixon
| Reynard
| Toyota
| PacWest Racing
|
| IRL Indycar Series history
|
| 2002
| April 21
| Firestone Indy 225
| Scott Sharp
| Dallara
| Chevrolet
| Kelley Racing
|
| 2003
| August 24
| Firestone Indy 225
| Helio Castroneves
| Dallara
| Toyota
| Team Penske
|
| 2004
| August 29
| Firestone Indy 225
| Dan Wheldon
| Dallara
| Honda
| Andretti Green Racing
|