| Year | Debater | Record | Result |
|---|---|---|---|
| 2011 | Robert Kearney & Rochfort Kearney | 2-3 | Did Not Clear |
| 2010 | Breanna Cragun, John Neitge & Anna Nolan (Alt) | 2-3 | Did Not Clear |
| 2009 | Jeff Hatleli, Brian Chesley & Brianna Cragun (Alt) | 1-4 | Did Not Clear |
| 2009 | John Neitge, Ashley Goettl & Ralucca Dabija (Alt) | 2-3 | Did Not Clear |
| 2008 | Ashley Goettl & Tara Kapadia | 1-4 | Did Not Clear |
| 2008 | Brian Chesley & Jeff Hatleli | 2-3 | Did Not Clear |
| 2007 | Alex Brooks & Jake Swede | 2-3 | Did Not Clear |
| 2007 | Ashley Goettl & Jennie Maes | 2-3 | Did Not Clear |
| 2006 | Miranda Meidlinger & Jake Swede | 1-4 | Did Not Clear |
| 2006 | Alex Brooks & Caleb Melby | 2-3 | Did Not Clear |
| 2005 | Scott McGrath & Lewis Robbins | 3-2 | Quarterfinalist |
| 2005 | Miranda Medilinder & Mike Steffan | 1-4 | Did Not Clear |
| 2004 | Tyler Gilbert & Lewis Robbins | 2-3 | Did Not Clear |
| 2004 | Scott McGrath & Cody Swede | 1-4 | Did Not Clear |
| 2003 | Scott McGrath & Joe Rstom | 2-3 | Did Not Clear |
| 2003 | Ty Gilbert & Lewis Robbins | 1-4 | Did Not Clear |
| 2002 | Wes Gilbert & Nate Meyer | 5-1 | Quarterfinalist |
| 2002 | Tyler Gilbert & Lewis Robbins | 1-5 | Did Not Clear |
| 2001 | Wes Gilbert & Brooke Hensel | 4-2 | Finalist |
| 2001 | Heather Abraham & Nate Meyer | 4-2 | Quarterfinalist |
| 2000 | Brooke Hensel & Rachel Miller | 2-4 | Did Not Clear |
| 2000 | Wes Gilbert & Nate Meyer | 2-4 | Did Not Clear |
| 1999 | Brooke Hensel & Rachel Miller | 3-3 | Did Not Clear |
| 1998 | Heidi Ihrig & Jim Fowler | 4-2 | Quarterfinalist |
| 1997 | Mahmooda Khaliq & Jessica Stott | 3-3 | Did Not Clear |
| 1997 | Katie Hensel & Todd McVicker | 3-3 | Did Not Clear |
| 1995 | Jessica Hermann & Shannon Perry | 4-2 | Champion |
| 1995 | Quinn Arnold & Jenny Chapman | 3-3 | Did Not Clear |
| 1994 | Jessica Hermann & Shannon Perry | Unknown | Did Not Clear |
| 1994 | Quinn Arnold & Jenny Chapman | Unknown | Did Not Clear |
| 1993 | Dan Chapman & Chris Hennek | 3-1 | Octafinalist |
| 1993 | Jessica Hermann & Shannon Perry | 2-2 | Octafinalist |
| 1992 | Dan Chapman & Mike Hanson | 2-2 | Octafinalist |
| 1991 | Dimitri Langston-Wiebe & Lee McLaughlin | 0-4 | Did Not Clear |
| 1990 | Mike Chapman & Dan Gag | 1-3 | Octafinalist |
| 1989 | 2-2 | Octafinalist | |
| 1989 | 2-2 | Did Not Clear | |
| 1988 | Mike Brown & Andy Pearson | 3-1 | Quarterfinalist |
| 1987 | Shannon Skarphol & Devin Waterman | 0-4 | Did Not Clear |
| 1987 | Dan Ostlund & Becky Shoemaker | 1-3 | Did Not Clear |
| 1986 | Dan Ostlund & Becky Shoemaker | 1-3 | Did Not Clear |
| 1986 | Mike Craig & Sondra Elliott | 1-3 | Did Not Clear |
| 1985 | Paul Daggett & Mark Schroeder | Unknown | Did Not Clear |
| 1985 | Mike Craig & Steve Neidhart | Unknown | Octafinalist |
| 1984 | Paul Daggett & Mark Schroeder | 2-2 | Octafinalist |
| 1983 | 4-0 | Finalist | |
| 1982 | 3-1 | Octafinalist | |
| 1982 | 1-3 | Did Not Clear | |
| 1981 | 3-1 | Quarterfinalist | |
| 1981 | 2-2 | Did Not Clear | |
| 1980 | 2-2 | Octafinalist | |
| 1979 | 3-1 | Octafinalist | |
| 1979 | 2-2 | Did Not Clear | |
| 1977 | Greg Mellstrom & Kip Montgomery | Unknown | Did Not Clear |
| 1977 | Ken Young & Steve Zelinsky | Unknown | Did Not Clear |
| 1976 | Unknown | Did Not Clear | |
| 1974 | Unknown | Octafinalist |