| Year | Debater | Record | Result |
|---|---|---|---|
| 1985 | Perry Bekkerus & Cort Sylvester | 3-1 | Semifinalist |
| 1984 | Perry Bekkerus & Cort Sylvester | 0-4 | Did Not Clear |
| 1982 | Perry Bekkerus & Cort Sylvester | 1-3 | Did Not Clear |
| 1979 | 0-4 | Did Not Clear | |
| 1978 | Kriss Lass & Scott Staska | Unknown | Did Not Clear |
| 1978 | Asunta Thompson & Tim Thompson | Unknown | Did Not Clear |
| 1932 | Betty Braaten, Donald Cole, Alan Meissner, Lucy Srommeth, Ardis Iverson & Jeanette Thompson | N/A | Semifinalist |
| 1929 | Martha Atkinson, Chester Cole & Milford Tysseland | N/A | Quarterfinalist |