Bison Open Champions - Heavyweight
1970–Results Unavailable
1971–Mike McCready, Northern Iowa
1972–Chris Taylor, Iowa State
1973–Jim Duchen, Mayor Daley Youth Foundation
1974–Randy Omvig, Northern Iowa
1975–Brad Rheingans, Unattached
1976–Brad Rheingans, Minnesota Club
1977–Don Erickson, Iowa State
1978–Brad Rheingans, Unattached
1979–Jeff Blatnick, Unattached
1980–Jeff Blatnick, Unattached
1981–Jerome Larson, North Dakota
1982–Dennis Koslowski, Unattached
1983–Dennis Koslowski, Unattached
1984–Dennis Koslowski, Unattached
1985–Gary Albright, Nebraska
1986–Kyle Jensen, Unattached
1987–Jeff Balcom, Unattached
1988–Jeff Balcom, Minnesota
1989–Jeff Balcom, Minnesota
1990–Jarrod Nelson, Unattached
1991–Tim Tekautz, North Dakota State
1992–Billy Pierce, Minnesota
1993–Billy Pierce, Minnesota
1994–Billy Pierce, Minnesota
1995–Billy Pierce, Minnesota
1996–Chad Lesnar, Unattached
1997–Brock Lesnar, Minnesota
1998–Brock Lesnar, Minnesota
1999–Brock Lesnar, Minnesota
2000–Dustin Darveaux, St. Cloud State
2001–Nick Severson, Unattached
2002–Dustin Darveaux, St. Cloud State
2003–Joe Bryce, North Dakota State
2004–Cole Konrad, Minnesota
2005–Cole Konrad, Minnesota
2006–Ben Berhow, Unattached
Joe Nord, Unattached
2007–Joe Nord,Unattached
2008–Ben Berhow, Unattached
2009–Ben Berhow, Unattached
Tony Nelson, Unattached
2010–Tony Nelson, Unattached
2011–Tony Nelson, Unattached
2012–Tony Nelson, Minnesota
2013–Tony Nelson, Unattached
2014--J.J. Everard, Unattached
2015--Ben Tynan, North Dakota State
2016--Ben Tynan, North Dakota State
2017--Dan Stibral, North Dakota State
2018--Gable Steveson, Unattached
2019--Brandon Metz, North Dakota State
2021--Brandon Metz, North Dakota State
2022--Juan Mora, North Dakota State
2023--Bennett Tabor, Minnesota
2024--Luke Rasmussen, South Dakota State
2025--Bennett Tabor, Minnesota
1971–Mike McCready, Northern Iowa
1972–Chris Taylor, Iowa State
1973–Jim Duchen, Mayor Daley Youth Foundation
1974–Randy Omvig, Northern Iowa
1975–Brad Rheingans, Unattached
1976–Brad Rheingans, Minnesota Club
1977–Don Erickson, Iowa State
1978–Brad Rheingans, Unattached
1979–Jeff Blatnick, Unattached
1980–Jeff Blatnick, Unattached
1981–Jerome Larson, North Dakota
1982–Dennis Koslowski, Unattached
1983–Dennis Koslowski, Unattached
1984–Dennis Koslowski, Unattached
1985–Gary Albright, Nebraska
1986–Kyle Jensen, Unattached
1987–Jeff Balcom, Unattached
1988–Jeff Balcom, Minnesota
1989–Jeff Balcom, Minnesota
1990–Jarrod Nelson, Unattached
1991–Tim Tekautz, North Dakota State
1992–Billy Pierce, Minnesota
1993–Billy Pierce, Minnesota
1994–Billy Pierce, Minnesota
1995–Billy Pierce, Minnesota
1996–Chad Lesnar, Unattached
1997–Brock Lesnar, Minnesota
1998–Brock Lesnar, Minnesota
1999–Brock Lesnar, Minnesota
2000–Dustin Darveaux, St. Cloud State
2001–Nick Severson, Unattached
2002–Dustin Darveaux, St. Cloud State
2003–Joe Bryce, North Dakota State
2004–Cole Konrad, Minnesota
2005–Cole Konrad, Minnesota
2006–Ben Berhow, Unattached
Joe Nord, Unattached
2007–Joe Nord,Unattached
2008–Ben Berhow, Unattached
2009–Ben Berhow, Unattached
Tony Nelson, Unattached
2010–Tony Nelson, Unattached
2011–Tony Nelson, Unattached
2012–Tony Nelson, Minnesota
2013–Tony Nelson, Unattached
2014--J.J. Everard, Unattached
2015--Ben Tynan, North Dakota State
2016--Ben Tynan, North Dakota State
2017--Dan Stibral, North Dakota State
2018--Gable Steveson, Unattached
2019--Brandon Metz, North Dakota State
2021--Brandon Metz, North Dakota State
2022--Juan Mora, North Dakota State
2023--Bennett Tabor, Minnesota
2024--Luke Rasmussen, South Dakota State
2025--Bennett Tabor, Minnesota
