| 1970 | 1971 | 1972 | 1973 | 1974 | 1980 | 1981 | 1983 |
|---|---|---|---|---|---|---|---|
| 1984 | 1985 | 1986 | 1987 | 1988 | 1990 | 1991 | 1992 |
| 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 |
| 2002 | 2003 | 2011 | 2004 | 2005 | 2012 | 2013 | 2015 |
UNITED STATES SPEEDWAY NATIONAL CHAMPIONSHIP
1998 AMA Speedway National Championship
| Fast Fridays Speedway | |||
|---|---|---|---|
| September 25, 1998 | |||
| Results can be found here | |||
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1998 United States National Speedway Championship
| Costa Mesa Speedway | |||
|---|---|---|---|
| October 3, 1998 | |||
| Results here | |||
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