| Year | Location |
|---|---|
| 2020 | VirtuAle |
| 2019 | Minnesota |
| 2018 | Michigan |
| 2017 | Colorado |
| 2016 | Minnesota |
| 2015 | Chicago, IL |
| 2014 | Wisconsin |
| 2013 | Minnesota |
| 2012 | Kentucky |
| 2011 | Michigan |
| 2010 | Colorado |
| 2009 | Minnesota |
| 2008 | Nebraska |
| 2007 | Missouri |
| 2006 | Wisconsin |
| 2005 | Michigan |
| 2004 | Colorado |
| 2003 | Nebraska |
| 2002 | Wisconsin |
| 2001 | Minnesota |
| 2000 | Minnesota |
| 1999 | Missouri |
| 1998 | Colorado |
| 1997 | Wisconsin |
| 1996 | Michigan |
| 1995 | Minnesota |
| 1994 | Nebraska |
| 1993 | Illinois |
| 1992 | Indiana |
| 1991 | Kansas |
| 1990 | Minnesota |
| 1989 | Colorado |
| 1988 | Michigan |
| 1987 | Wisconsin |
| 1986 | Missouri |
| 1985 | Minnesota |
| 1984 | Indiana |
| 1983 | Michigan |
| 1982 | Wisconsin |
| 1981 | Wisconsin |
