| Year | Debater | Record | Result |
|---|---|---|---|
| 1992 | Mark Fournier & Jackie Schroeder | 3-1 | Octafinalist |
| 1991 | Mark Fournier & Aaron Larson | 3-1 | Quarterfinalist |
| 1990 | Joanne Hepburn & Kevin Pranis | 2-2 | Octafinalist |
| 1990 | Jennifer Brennan & Corina Leske | 3-1 | Semifinalist |
| 1989 | 2-2 | Octafinalist | |
| 1989 | 0-4 | Did Not Clear | |
| 1988 | Paul Fust & Darren Schwiebert | 4-0 | Quarterfinalist |
| 1988 | Jennifer Brennan & Corina Leske | 2-2 | Octafinalist |
| 1987 | Debbie Anderson & Darren Schwiebert | 2-2 | Octafinalist |
| 1986 | Debbie Anderson & Brent Schwiebert | 1-3 | Octafinalist |
| 1985 | Debbie Anderson & Maria Moeller | Unknown | Did Not Clear |
| 1984 | Mark Dirnberger & Jason Rothman | 1-3 | Did Not Clear |
| 1984 | Mary Rich & Brent Schwiebert | 2-2 | Octafinalist |
| 1983 | 4-0 | Semifinalist | |
| 1983 | 2-2 | Quarterfinalist | |
| 1982 | 3-1 | Quarterfinalist | |
| 1982 | 1-3 | Did Not Clear | |
| 1981 | 2-2 | Semifinalist | |
| 1981 | Edie Rothman & Jeff Shorba | 4-0 | Champion |
| 1980 | 4-0 | Champion | |
| 1980 | 1-3 | Did Not Clear | |
| 1979 | 3-1 | Finalist | |
| 1979 | 1-3 | Did Not Clear | |
| 1978 | Sharon Clark & Mike Rothman | Unknown | Did Not Clear |
| 1978 | Joel Griepentrog & John Kincannon | Unknown | Did Not Clear |
| 1977 | Unknown | Semifinalist | |
| 1977 | Unknown | Did Not Clear | |
| 1976 | Unknown | Semifinalist | |
| 1975 | Unknown | Did Not Clear | |
| 1974 | Unknown | Did Not Clear |