| Event | Year | Start | End | Races | Teams |
|---|---|---|---|---|---|
| World Championship | 1992 | 14 Aug | 20 Aug | 6 | 85 |
| North American Championship | 1992 | 01 Jan | 01 Jan | ||
| East Coast Championship | 1991 | 21 Jun | 23 Jun | 7 | 15 |
| North American Championship | 1991 | 01 Jan | 01 Jan | ||
| North American Championship | 1990 | 01 Jan | 01 Jan | ||
| North American Championship | 1988 | 01 Jan | 01 Jan | ||
| North American Championship | 1987 | 01 Jan | 01 Jan | ||
| North American Championship | 1985 | 01 Jan | 01 Jan | ||
| North American Championship | 1984 | 01 Jan | 01 Jan | ||
| North American Championship | 1983 | 01 Jan | 01 Jan | ||
| North American Championship | 1981 | 01 Jan | 01 Jan | ||
| Pre-Worlds | 1981 | 01 Jan | 01 Jan | 6 | 90 |
| World Championship | 1981 | 01 Jan | 01 Jan | 6 | 86 |
| North American Championship | 1980 | 01 Jan | 01 Jan | ||
| North American Championship | 1978 | 01 Jan | 01 Jan | ||
| North American Championship | 1977 | 01 Jan | 01 Jan | ||
| North American Championship | 1976 | 01 Jan | 01 Jan | ||
| North American Championship | 1975 | 01 Jan | 01 Jan | ||
| North American Championship | 1974 | 01 Jan | 01 Jan | ||
| North American Championship | 1973 | 01 Jan | 01 Jan |
Show Years Filter
- 2025 (16)
- 2024 (15)
- 2023 (14)
- 2022 (13)
- 2021 (14)
- 2020 (8)
- 2019 (19)
- 2018 (16)
- 2017 (13)
- 2016 (20)
- 2015 (15)
- 2014 (9)
- 2013 (12)
- 2012 (10)
- 2011 (11)
- 2010 (13)
- 2009 (12)
- 2008 (5)
- 2007 (4)
- 2006 (11)
- 2005 (4)
- 2004 (12)
- 2003 (4)
- 2002 (2)
- 2001 (19)
- 2000 (20)
- 1999 (26)
- 1998 (26)
- 1997 (25)
- 1996 (16)
- 1995 (12)
- 1994 (2)
- 1993 (2)
- 1992 (2)
- 1991 (2)
- 1990 (1)
- 1988 (1)
- 1987 (1)
- 1985 (1)
- 1984 (1)
- 1983 (1)
- 1981 (3)
- 1980 (1)
- 1978 (1)
- 1977 (1)
- 1976 (1)
- 1975 (1)
- 1974 (1)
- 1973 (1)
- 1972 (1)
- 1971 (2)
- 1970 (1)
- 1969 (1)
- 1968 (1)
- 1967 (1)
- 1966 (1)
- 1965 (1)
- 1964 (1)
- 1963 (2)
- 1962 (1)
- 1961 (1)
- 1960 (1)
- 1959 (1)
- 1958 (1)
- 1957 (1)