| COUNTRIES | CATEGORIES | YEARS | CHAMPIONSHIPS | |
| INTERNATIONAL | B. P. R. | 1994 - 1996 | 4 | |
| INTERNATIONAL | FIA - GT | 1997 - 2009 | 13 | |
| INTERNATIONAL | GT Open | 2006 - 2009 | 4 | |
| INTERNATIONAL | Porsche SuperCup | 1993 - 2009 | 17 | |
| EUROPE | European GT | 1972 - 1976 | 5 | |
| EUROPE | Super Sport Trophy | 1995 - 1998 | 4 | |
| EUROPE | G T R Euroseries | 1998 | 1 | |
| EUROPE | GT 3 Championship | 2006 - 2009 | 4 | |
| EUROPE | GT 4 Cup | 2007 - 2009 | 3 | |
| EUROPE | Ferrari Challenge | 1997 - 2005 | 9 | |
| EUROPE | Maserati Trophy | 2003 - 2005 | 3 | |
| Belgium | Grand Touring | 1990 - 1997 | 8 | |
| Belgium | Belcar - GT | 1998 - 2009 | 12 | |
| Benelux | Groupe 4 | 1975 | 1 | |
| France | Grand Tourisme | 1997 - 2009 | 13 | |
| France | Porsche Cup | 1987 - 2009 | 23 | |
| France | Venturi Trophy | 1992 - 1994 | 3 | |
| Germany | Deutsche Rennsport Meistershaft | 1972 - 1981 | 10 | |
| Germany | ADAC - GT Cup | 1993 - 1997 | 8 | |
| Germany | ADAC - GT Masters | 2007 - 2009 | 3 | |
| Germany | Porsche Cup | 1986 - 2009 | 24 | |
| Great Britain | Sports GT Challenge | 1993 - 1994 | 2 | |
| Great Britain | BRDC - GT | 1995 - 2009 | 17 | |
| Great Britain | Porsche Cup | 2003 - 2009 | 7 | |
| Italy | Gran Turismo | 1969 - 1977 | 9 | |
| Italy | Super Cars | 1992 - 2009 | 18 | |
| Italy | Porsche Cup | 2007 - 2009 | 3 | |
| Netherlands | Super Cars Challenge | 2002 - 2009 | 8 | |
| Spain | Grand Touring | 1999 - 2009 | 11 | |
| Sweden | G T R | 1999 - 2003 | 5 | |
| Brazil | Porsche GT 3 Cup | 2005 - 2009 | 5 | |
| Canada | GT Challenge Cup | 1997 - 2002 | 6 | |
| United States | U S R R C | 1963 - 1964 | 2 | |
| United States | Trans Am | 1966 - 2005 | 44 | |
| United States | IMSA - GT | 1971 - 1982 | 11 | |
| United States | World Challenge - GT | 1990 - 2009 | 20 | |
| United States | ALMS - GT | 1999 - 2009 | 22 | |
| United States | IMSA - GT 3 Challenge | 2005 - 2009 | 5 | |
| United States | SCCA - GT | 1964 - 2002 | 406 | |
| ASIA | Porsche Cup | 2003 - 2009 | 7 | |
| Japan | Super GT | 1993 - 2009 | 19 | |
| South Africa | V8 Stock Cars | 2001 - 2002 | 2 | |
| Australia | Sports Sedan | 1976 - 2002 | 18 | |
| Australia | Production Cars | 1987 - 2002 | 16 | |
| Australia | Nations Cup | 2000 - 2004 | 5 | |
| Australia | Porsche Cup | 2003 - 2008 | 6 | |
| New Zealand | Tranz Am | 1997 - 2002 | 5 |