Pioneer League Champions
PIONEER LEAGUE CHAMPIONS
| YEAR | CHAMPION | RUNNER-UP | FINALS |
|---|---|---|---|
| 1939 | Twin Falls Cowboys | ||
| 1940 | Ogden Reds | ||
| 1941 | Ogden Reds | ||
| 1942 | Pocatello Cardinals | ||
| 1946 | Salt Lake City Bees | ||
| 1947 | Twin Falls Cowboys | ||
| 1948 | Twin Falls Cowboys | ||
| 1949 | Pocatello Cardinals | ||
| 1950 | Billings Mustangs | ||
| 1951 | Great Falls Electrics | ||
| 1952 | Idaho Falls Russets | ||
| 1953 | Salt Lake City Bees | ||
| 1954 | Great Falls Electrics | ||
| 1955 | Magic Valley Cowboys | ||
| 1956 | Boise Braves | ||
| 1957 | Billings Mustangs | ||
| 1958 | Boise Braves | ||
| 1959 | Billings Mustangs | ||
| 1960 | Boise Braves | ||
| 1961 | Great Falls Electrics | ||
| 1962 | Billings Mustangs | ||
| 1963 | Idaho Falls Yankees | ||
| 1964 | Treasure Valley Cubs | ||
| 1965 | Treasure Valley Cubs | ||
| 1966 | Ogden Dodgers | ||
| 1967 | Ogden Dodgers | ||
| 1968 | Ogden Dodgers | ||
| 1969 | Ogden Dodgers | ||
| 1970 | Idaho Falls Angels | ||
| 1971 | Great Falls Giants | ||
| 1972 | Billings Mustangs | ||
| 1973 | Billings Mustangs | ||
| 1974 | Idaho Falls Angels | ||
| 1975 | Great Falls Giants | ||
| 1976 | Great Falls Giants | ||
| 1977 | Lethbridge Dodgers | ||
| 1978 | Billings Mustangs | Idaho Falls Angels | 2-0 |
| 1979 | Lethbridge Dodgers | Helena Brewers | 2-0 |
| 1980 | Lethbridge Dodgers | Billings Mustangs | 2-1 |
| 1981 | Butte Copper Kings | Calgary Expos | 3-2 |
| 1982 | Medicine Hat Blue Jays | Idaho Falls A's | 3-1 |
| 1983 | Billings Mustangs | Calgary Expos | 3-1 |
| 1984 | Helena Gold Sox | Billings Mustangs | 3-1 |
| 1985 | Salt Lake City Trappers | Great Falls Dodgers | 3-2 |
| 1986 | Salt Lake City Trappers | Great Falls Dodgers | 3-1 |
| 1987 | Salt Lake City Trappers | Helena Brewers | 3-1 |
| 1988 | Great Falls Dodgers | Butte Copper Kings | 3-2 |
| 1989 | Great Falls Dodgers | Butte Copper Kings | 3-0 |
| 1990 | Great Falls Dodgers | Salt Lake City Trappers | 3-0 |
| 1991 | Salt Lake City Trappers | Great Falls Dodgers | 2-1 |
| 1992 | Billings Mustangs | Salt Lake City Trappers | 2-0 |
| 1993 | Billings Mustangs | Helena Brewers | 2-1 |
| 1994 | Billings Mustangs | Helena Brewers | 3-2 |
| 1995 | Helena Brewers | Medicine Hat Blue Jays | 2-0 |
| 1996 | Helena Brewers | Ogden Raptors | 2-0 |
| 1997 | Billings Mustangs | Great Falls Dodgers | 2-0 |
| 1998 | Idaho Falls Braves | Lethbridge Mounties | 2-1 |
| 1999 | Missoula Osprey | Billings Mustangs | 2-0 |
| 2000 | Idaho Falls Padres | Great Falls Dodgers | 2-0 |
| 2001 | Billings Mustangs | Provo Angels | 2-0 |
| 2002 | Great Falls Dodgers | Provo Angels | 2-1 |
| 2003 | Billings Mustangs | Provo Angels | 2-0 |
| 2004 | Provo Angels | Billings Mustangs | 2-0 |
| 2005 | Orem Owlz | Helena Brewers | 2-0 |
| 2006 | Missoula Osprey | Idaho Falls Chukars | 2-0 |
| 2007 | Orem Owlz | Great Falls White Sox | 2-0 |
| 2008 | Great Falls Voyagers | Orem Owlz | 2-1 |
| 2009 | Orem Owlz | Missoula Osprey | 2-1 |
| 2010 | Helena Brewers | Ogden Raptors | 2-0 |
| 2011 | Great Falls Voyagers | Ogden Raptors | 2-0 |
| 2012 | Missoula Osprey | Ogden Raptors | 2-1 |
| 2013 | Idaho Falls Chukars | Helena Brewers | 2-1 |
| 2014 | Billings Mustangs | Orem Owlz | 2-0 |
| 2015 | Missoula Osprey | Idaho Falls Chukars | 2-1 |
| 2016 | Orem Owlz | Billings Mustangs | 2-0 |
| 2017 | Ogden Raptors | Great Falls Voyagers | 2-1 |
| 2018 | Great Falls Voyagers | Grand Junction Rockies | 2-0 |
| 2019 | Idaho Falls Chukars | Ogden Raptors | 2-1 |
Pioneer League History