1979 (Champion: Rick Mears)
- Phoenix (USA), Mar 11
- Atlanta (USA), Race 1 (Apr 22)
- Atlanta (USA), Race 2 (Apr 22)
- Indianapolis 500 (USA), May 27
- Trenton (USA), Race 1 (Jun 10)
- Trenton (USA), Race 2 (Jun 10)
- Michigan (USA), Race 1 (Jul 15)
- Michigan (USA), Race 2 (Jul 15)
- Watkins Glen (USA), Aug 5
- Trenton (USA), Aug 19
- Ontario (USA), Sep 2
- Michigan (USA), Sep 15
- Atlanta (USA), Sep 30
- Phoenix (USA), Oct 20
1980 (Champion: Johnny Rutherford)
- Ontario (USA), Apr 13
- Indianapolis 500 (USA), May 26
- Milwaukee (USA), Jun 8
- Pocono (USA), Jun 22
- Mid-Ohio (USA), Jul 13
- Michigan (USA), Jul 20
- Watkins Glen (USA), Aug 3
- Milwaukee (USA), Aug 10
- Ontario (USA), Aug 31
- Michigan (USA), Sep 20
- Mexico City (MEX), Oct 26
- Phoenix (USA), Nov 8
1981 (Champion: Rick Mears)
- Phoenix (USA), Mar 22
- Milwaukee (USA), Jun 7
- Atlanta (USA), Race 1 (Jun 28)
- Atlanta (USA), Race 2 (Jun 28)
- Michigan (USA), Jul 25
- Riverside (USA), Aug 30
- Milwaukee (USA), Sep 5
- Michigan (USA), Sep 20
- Watkins Glen (USA), Oct 4
- Mexico City (MEX), Oct 18
- Phoenix (USA), Oct 31
1982 (Champion: Rick Mears)
- Phoenix (USA), Mar 28
- Atlanta (USA), May 1
- Milwaukee (USA), Jun 13
- Cleveland (USA), Jul 4
- Michigan (USA), Jul 18
- Milwaukee (USA), Aug 1
- Pocono (USA), Aug 15
- Riverside (USA), Aug 29
- Road America (USA), Sep 19
- Michigan (USA), Sep 26
- Phoenix (USA), Nov 6
1983 (Champion: Al Unser Sr)
- Atlanta (USA), Apr 17
- Indianapolis 500 (USA), May 29
- Milwaukee (USA), Jun 12
- Cleveland (USA), Jul 3
- Michigan (USA), Jul 17
- Road America (USA), Jul 31
- Pocono (USA), Aug 14
- Riverside (USA), Aug 28
- Mid-Ohio (USA), Sep 11
- Michigan (USA), Sep 18
- Caesar’s Palace, Las Vegas (USA), Oct 9
- Laguna Seca (USA), Oct 23
- Phoenix (USA), Oct 29
1984 (Champion: Mario Andretti)
- Long Beach (USA), Apr 1
- Phoenix (USA), Apr 15
- Indianapolis 500 (USA), May 27
- Milwaukee (USA), Jun 3
- Portland (USA), Jun 17
- Meadowlands (USA), Jul 1
- Cleveland (USA), Jul 8
- Michigan (USA), Jul 22
- Road America (USA), Aug 5
- Pocono (USA), Aug 19
- Mid-Ohio (USA), Sep 2
- Sanair (USA), Sep 9
- Michigan (USA), Sep 24
- Phoenix (USA), Oct 14
- Laguna Seca (USA), Oct 21
- Caesar’s Palace, Las Vegas (USA), Nov 11
1985 (Champion: Al Unser Sr)
- Long Beach (USA), Apr 14
- Indianapolis 500 (USA), May 26
- Milwaukee (USA), Jun 2
- Portland (USA), Jun 16
- Meadowlands (USA), Jun 30
- Cleveland (USA), Jul 7
- Michigan (USA), Jul 28
- Road America (USA), Aug 4
- Pocono (USA), Aug 18
- Mid-Ohio (USA), Sep 1
- Sanair (USA), Sep 8
- Michigan (USA), Sep 22
- Laguna Seca (USA), Oct 6
- Phoenix (USA), Oct 13
- Tamiami Park (USA), Nov 10
1986 (Champion: Bobby Rahal)
- Phoenix (USA), Apr 6
- Long Beach (USA), Apr 13
- Indianapolis 500 (USA), May 31
- Milwaukee (USA), Jun 8
- Portland (USA), Jun 15
- Meadowlands (USA), Jun 29
- Cleveland (USA), Jul 6
- Toronto (CDN), Jul 20
- Michigan (USA), Aug 2
- Pocono (USA), Aug 17
- Mid-Ohio (USA), Aug 31
- Sanair (USA), Sep 7
- Michigan (USA), Sep 28
- Road America (USA), Oct 4
- Laguna Seca (USA), Oct 12
- Phoenix (USA), Oct 19
- Tamiami Park (USA), Nov 9
1987 (Champion: Bobby Rahal)
- Long Beach (USA), Apr 5
- Phoenix (USA), Apr 12
- Indianapolis 500 (USA), May 24
- Milwaukee (USA), May 31
- Portland (USA), Jun 14
- Meadowlands (USA), Jun 28
- Cleveland (USA), Jul 5
- Toronto (CDN), Jul 19
- Michigan (USA), Aug 2
- Pocono (USA), Aug 16
- Road America (USA), Aug 30
- Mid-Ohio (USA), Sep 6
- Nazareth (USA), Sep 20
- Laguna Seca (USA), Oct 11
- Tamiami Park (USA), Nov 1
1988 (Champion: Danny Sullivan)
- Phoenix (USA), Apr 10
- Long Beach (USA), Apr 17
- Indianapolis 500 (USA), May 29
- Milwaukee (USA), Jun 5
- Portland (USA), Jun 19
- Cleveland (USA), Jul 3
- Toronto (CDN), Jul 17
- Meadowlands (USA), Jul 24
- Michigan (USA), Aug 7
- Pocono (USA), Aug 21
- Mid-Ohio (USA), Sep 4
- Road America (USA), Sep 11
- Nazareth (USA), Sep 25
- Laguna Seca (USA), Oct 16
- Tamiami Park (USA), Nov 6
1989 (Champion: Emerson Fittipaldi)
- Phoenix (USA), Apr 9
- Long Beach (USA), Apr 16
- Indianapolis 500 (USA), May 28
- Milwaukee (USA), Jun 4
- Detroit (USA), Jun 18
- Portland (USA), Jun 25
- Cleveland (USA), Jul 2
- Meadowlands (USA), Jul 16
- Toronto (CDN), Jul 23
- Michigan (USA), Aug 6
- Pocono (USA), Aug 20
- Mid-Ohio (USA), Sep 3
- Road America (USA), Sep 10
- Nazareth (USA), Sep 24
- Laguna Seca (USA), Oct 15
1990 (Champion: Al Unser Jr)
- Phoenix (USA), Apr 8
- Long Beach (USA), Apr 22
- Indianapolis 500 (USA), May 27
- Milwaukee (USA), Jun 3
- Detroit (USA), Jun 17
- Portland (USA), Jun 24
- Cleveland (USA), Jul 8
- Meadowlands (USA), Jul 15
- Toronto (CDN), Jul 22
- Michigan (USA), Aug 5
- Denver (USA), Aug 26
- Vancouver (CDN), Sep 2
- Mid-Ohio (USA), Sep 16
- Road America (USA), Sep 23
- Nazareth (USA), Oct 7
- Laguna Seca (USA), Oct 21
1991 (Champion: Michael Andretti)
- Surfers Paradise (AUS), Mar 17
- Long Beach (USA), Apr 14
- Phoenix (USA), Apr 21
- Indianapolis 500 (USA), May 26
- Milwaukee (USA), Jun 2
- Detroit (USA), Jun 16
- Portland (USA), Jun 23
- Cleveland (USA), Jul 7
- Meadowlands (USA), Jul 14
- Toronto (CDN), Jul 21
- Michigan (USA), Aug 4
- Denver (USA), Aug 25
- Vancouver (CDN), Sep 1
- Mid-Ohio (USA), Sep 15
- Road America (USA), Sep 22
- Nazareth (USA), Oct 6
- Laguna Seca (USA), Oct 20
1992 (Champion: Bobby Rahal)
- Surfers Paradise (AUS), Mar 22
- Phoenix (USA), Apr 5
- Long Beach (USA), Apr 12
- Indianapolis 500 (USA), May 24
- Detroit Belle Isle (USA), Jun 7
- Portland (USA), Jun 21
- Milwaukee (USA), Jun 28
- New Hampshire (USA), Jul 5
- Toronto (CDN), Jul 19
- Michigan (USA), Aug 2
- Cleveland (USA), Aug 9
- Road America (USA), Aug 23
- Vancouver (CDN), Aug 30
- Mid-Ohio (USA), Sep 13
- Nazareth (USA), Oct 4
- Laguna Seca (USA), Oct 18
1993 (Champion: Nigel Mansell)
- Surfers Paradise (AUS), Mar 21
- Phoenix (USA), Apr 4
- Long Beach (USA), Apr 18
- Indianapolis 500 (USA), May 30
- Milwaukee (USA), Jun 6
- Detroit Belle Isle (USA), Jun 13
- Portland (USA), Jun 27
- Cleveland (USA), Jul 11
- Toronto (CDN), Jul 18
- Michigan (USA), Aug 1
- New Hampshire (USA), Aug 8
- Road America (USA), Aug 22
- Vancouver (CDN), Aug 29
- Mid-Ohio (USA0, Sep 12
- Nazareth (USA), Sep 19
- Laguna Seca (USA), Oct 3
1994 (Champion: Al Unser Jr)
- Surfers Paradise (AUS), Mar 20
- Phoenix (USA), Apr 10
- Long Beach (USA), Apr 17
- Indianapolis 500 (USA), May 29
- Milwaukee (USA), Jun 5
- Detroit Belle Isle (USA), Jun 12
- Portland (USA), Jun 26
- Cleveland (USA), Jul 10
- Toronto (CDN), Jul 17
- Michigan (USA), Jul 31
- Mid-Ohio (USA), Aug 14
- New Hampshire (USA), Aug 21
- Vancouver (CDN), Sep 4
- Road America (USA), Sep 11
- Nazareth (USA), Sep 18
- Laguna Seca (USA), Oct 10
1995 (Champion: Jacques Villeneuve)
- Miami (USA), Mar 5
- Surfers Paradise (AUS), Mar 19
- Phoenix (USA), Apr 2
- Long Beach (USA), Apr 9
- Nazareth (USA), Apr 23
- Indianapolis 500 (USA), May 28
- Milwaukee (USA), Jun 4
- Detroit Belle Isle (USA), Jun 11
- Portland (USA), Jun 25
- Road America (USA), Jul 9
- Toronto (CDN), Jul 16
- Cleveland (USA), Jul 23
- Michigan (USA), Jul 30
- Mid-Ohio (USA), Aug 13
- New Hampshire (USA), Aug 20
- Vancouver (CDN), Sep 3
- Laguna Seca (USA), Sep 10
1996 (Champion: Jimmy Vasser)
- Homestead (USA), Mar 3
- Rio de Janeiro (BR), Mar 17
- Surfers Paradise (AUS), Mar 31
- Long Beach (USA), Apr 14
- Nazareth (USA), Apr 28
- Michigan (USA), May 26
- Milwaukee (USA), Jun 2
- Detroit Belle Isle (USA), Jun 9
- Portland (USA), Jun 23
- Cleveland (USA), Jun 30
- Toronto (CDN), Jul 14
- Michigan (USA), Jul 28
- Mid-Ohio (USA), Aug 11
- Road America (USA), Aug 18
- Vancouver (USA), Sep 1
- Laguna Seca (USA), Sep 8
1997 (Champion: Alex Zanardi)
- Homestead (USA), Mar 2
- Surfers Paradise (AUS), Apr 6
- Long Beach (USA), Apr 13
- Nazareth (USA), Apr 27
- Rio de Janeiro (BR), May 11
- Gateway (USA), May 24
- Milwaukee (USA), Jun 1
- Detroit Belle Isle (USA), Jun 8
- Portland (USA), Jun 22
- Cleveland (USA), Jul 13
- Toronto (CDN), Jul 20
- Michigan (USA), Jul 27
- Mid-Ohio (USA), Aug 10
- Road America (USA), Aug 17
- Vancouver (USA), Aug 31
- Laguna Seca (USA), Sep 7
- Fontana (USA), Sep 28
1998 (Champion: Alex Zanardi)
- Homestead (USA), Mar 15
- Motegi (J), Mar 28
- Long Beach (USA), Apr 5
- Nazareth (USA), Apr 27
- Rio de Janeiro (BR), May 10
- Gateway (USA), May 23
- Milwaukee (USA), May 31
- Detroit Belle Isle (USA), Jun 7
- Portland (USA), Jun 21
- Cleveland (USA), Jul 12
- Toronto (CDN), Jul 19
- Michigan (USA), Jul 26
- Mid-Ohio (USA), Aug 9
- Road America (USA), Aug 16
- Vancouver (CDN), Sep 6
- Laguna Seca (USA), Sep 13
- Houston (USA), Oct 4
- Surfers Paradise (AUS), Oct 18
- Fontana (USA), Nov 1
1999 (Champion: Juan Pablo Montoya)
- Homestead (USA), Mar 21
- Motegi (J), Apr 10
- Long Beach (USA), Apr 18
- Nazareth (USA), May 2
- Rio de Janeiro (BR), May 15
- Gateway (USA), May 29
- Milwaukee (USA), Jun 6
- Portland (USA), Jun 20
- Cleveland (USA), Jun 27
- Road America (USA), Jul 11
- Toronto (CDN), Jul 18
- Michigan (USA), Jul 25
- Detroit Belle Isle (USA), Aug 8
- Mid-Ohio (USA), Aug 15
- Chicago (USA), Aug 22
- Vancouver (CDN), Sep 5
- Laguna Seca (USA), Sep 12
- Houston (USA), Sep 26
- Surfers Paradise (AUS), Oct 17
- Fontana (USA), Oct 31
2000 (Champion: Gil De Ferran)
- Homestead (USA), Mar 26
- Long Beach (USA), Apr 16
- Rio de Janeiro (BR), Apr 30
- Motegi (J), May 14
- Nazareth (USA), May 27
- Milwaukee (USA), Jun 6
- Detroit Belle Isle (USA), Jun 18
- Portland (USA), Jun 25
- Cleveland (USA), Jul 2
- Toronto (CDN), Jul 16
- Michigan (USA), Jul 23
- Chicago (USA), Jul 30
- Mid-Ohio (USA), Aug 13
- Road America (USA), Aug 20
- Vancouver (CDN), Sep 3
- Laguna Seca (USA), Sep 10
- Gateway (USA), Sep 17
- Houston (USA), Oct 1
- Surfers Paradise (AUS), Oct 15
- Fontana (USA), Oct 30
2001 (Champion: Gil De Ferran)
- Monterrey (MEX), Apr 11
- Long Beach (USA), Apr 18
- Nazareth (USA), May 6
- Motegi (J), May 19
- Milwaukee (USA), Jun 3
- Detroit Belle Isle (USA), Jun 17
- Portland (USA), Jun 24
- Cleveland (USA), Jul 1
- Toronto (CDN), Jul 15
- Michigan (USA), Jul 22
- Chicago (USA), Jul 29
- Mid-Ohio (USA), Aug 12
- Elkhart Lake (USA), Aug 19
- Vancouver (CDN), Sep 2
- Eurospeedway Lausitz (D), Sep 15
- Rockingham (GB), Sep 22
- Houston (USA), Oct 7
- Laguna Seca (USA), Oct 14
- Surfers Paradise (AUS), Oct 28
- Fontana (USA), Nov 4
2002 (Champion: Cristiano Da Matta)
- Monterrey (MEX), Mar 10
- Long Beach (USA), Apr 14
- Motegi (J), Apr 27
- Milwaukee (USA), Jun 2
- Laguna Seca (USA), Jun 9
- Portland (USA), Jun 16
- Chicago (USA), Jun 30
- Toronto (CDN), Jul 7
- Cleveland (USA), Jul 14
- Vancouver (CDN), Jul 28
- Mid-Ohio (CDN), Aug 11
- Road America (USA), Aug 18
- Montreal (CDN), Aug 25
- Denver (USA), Sep 1
- Rockingham (GB), Sep 14
- Miami (USA), Oct 6
- Surfers Paradise (USA), Oct 27
- Fontana (USA), Nov 3
- Mexico City (MEX), Nov 17
2003 (Champion: Paul Tracy)
- St.Petersburg (USA), Feb 23
- Monterrey (MEX), Mar 23
- Long Beach (USA), Apr 13
- Brands Hatch (GB), May 5
- EuroSpeedway Lausitz (D), May 11
- Milwaukee (USA), May 31
- Laguna Seca (USA), Jun 15
- Portland (USA), Jun 22
- Cleveland (USA), Jul 5
- Toronto (CDN), Jul 13
- Vancouver (CDN), Jul 27
- Elkhart Lake (USA), Aug 3
- Mid-Ohio (USA), Aug 10
- Montreal (CDN), Aug 24
- Denver (USA), Aug 31
- Miami (USA), Sep 28
- Mexico City (MEX), Oct 12
- Surfers Paradise (AUS), Oct 26
2004 (Champion: Sebastien Bourdais)
- Long Beach (USA), Apr 18
- Monterrey (MEX), May 23
- Milwaukee (USA), Jun 5
- Portland (USA), Jun 20
- Cleveland (USA), Jul 3
- Toronto (CDN), Jul 11
- Vancouver (CDN), Jul 25
- Road America (USA), Aug 8
- Denver (USA), Aug 15
- Montreal (CDN), Aug 29
- Laguna Seca (USA), Sep 12
- Las Vegas (USA), Sep 25
- Surfers Paradise (AUS), Oct 24
- Mexico City (MEX), Nov 7
2005 (Champion: Sebastien Bourdais)
- Long Beach (USA), Apr 10
- Monterrey (MEX), May 22
- Milwaukee (USA), Jun 4
- Portland (USA), Jun 19
- Cleveland (USA), Jun 26
- Toronto (CDN), Jul 10
- Edmonton (CDN), Jul 17
- San Jose (USA), Jul 31
- Denver (USA), Aug 14
- Montreal (USA), Aug 28
- Las Vegas (USA), Sep 24
- Surfers Paradise (USA), Oct 23
- Mexico City (USA), Nov 6
2006 (Champion: Sebastien Bourdais)
- Long Beach (USA), Apr 9
- Houston (USA), May 13
- Monterrey (MEX), May 21
- Milwaukee (USA), Jun 4
- Portland (USA), Jun 18
- Cleveland (USA), Jun 25
- Toronto (CDN), Jul 9
- Edmonton (CDN), Jul 23
- San Jose (USA), Jul 30
- Denver (USA), Aug 13
- Montreal (CDN), Aug 27
- Road America (USA), Sep 24
- Surfers Paradise (AUS), Oct 22
- Mexico City (MEX), Nov 12
2007 (Champion: Sebastien Bourdais)
- Las Vegas (USA), Apr 8
- Long Beach (USA), Apr 15
- Houston (USA), Apr 22
- Portland (USA), Jun 10
- Cleveland (USA), Jun 24
- Mont-Tremblant (CDN), Jul 1
- Toronto (CDN), Jul 8
- Edmonton (CDN), Jul 22
- San Jose (USA), Jul 29
- Road America (USA), Aug 12
- Zolder (B), Aug 26
- Assen (NL), Sep 2
- Surfers Paradise (AUS), Oct 21
- Mexico City (MEX), Nov 11