| Year | Debater | Record | Result |
|---|---|---|---|
| 2002 | Jordan Fabyanske & Josh Oie | 4-2 | Semifinalist |
| 2002 | Nick Koreen & Larry Largent | 3-3 | Did Not Clear |
| 2001 | Jordan Fabyanske & Adam Holisky | 1-5 | Did Not Clear |
| 1987 | Lauia Jasper & Vianne Verrecchio | 1-3 | Did Not Clear |
| 1986 | Kendall Bartsch & Paul Zastrow | 2-2 | Octafinalist |
| 1985 | Shirley Heitzman & Becky Rudman | Unknown | Quarterfinalist |
| 1983 | 0-4 | Did Not Clear | |
| 1979 | 0-4 | Did Not Clear | |
| 1978 | Jim Jacobson & Glenn Rippie | Unknown | Champion |
| 1978 | Dave Abler & Dan Whitnah | Unknown | Quarterfinalist |
| 1977 | Unknown | Champion | |
| 1975 | Unknown | Octafinalist | |
| 1967 | 5-5 | 17th Place | |
| 1965 | 3-7 | 21st Place | |
| 1952 | 4-2 | 6th Place | |
| 1951 | 5-1 | 3rd Place |