Northwest USA Region (NNU)
Districts:
Alaska Northwest Oregon Pacific
Intermountain Rocky Mountain Washington Pacific
Regional Champions
| YEAR | FIRST | SECOND | THIRD |
| 2008 | |||
| 2007 | Washington Pacific | Intermountain | Northwest |
| 2006 | |||
| 2005 | Washington Pacific | Colorado | Northwest |
| 2004 | Colorado | ||
| 2003 | Washington Pacific | ||
| 2002 | |||
| 2001 | |||
| 2000 | |||
| 1999 | |||
| 1998 | |||
| 1997 | |||
| 1996 | Alaska | ||
| 1995 | Alaska | ||
| 1994 | Alaska | ||
| 1993 | Washington Pacific | ||
| 1992 | Colorado | Intermountain | Northwest |
| 1991 | |||
| 1990 | |||
| 1989 | |||
| 1988 | |||
| 1987 | Colorado | ||
| 1986 | |||
| 1985 | Colorado | ||
| 1984 | |||
| 1983 | Colorado | ||
| 1982 | |||
| 1981 | Alaska | ||
| 1980 | |||
| 1979 | |||
| 1978 | |||
| 1977 | |||
| 1976 | |||
| 1975 | |||
| 1974 | |||
| 1973 | |||
| 1972 | |||
| 1971 | |||
| 1970 | |||
| 1969 | Idaho-Oregon | Oregon Pacific |