1956 First tournament (4 person debate)
- 1st – Florida (Harold Eisner, Joe Schwartz, & Unknown)
- 2nd – Duke (Dick Weed & Unknown)
- Top Speaker – David Hughes, Wake Forest
- 2nd Speaker – Joe Schwartz, Florida
1957 (4-person debate)
- 1st – Pittsburgh (Dick Mattern, Garr Hess, John Strauch, Jim Pomarico)
- 2nd – Florida
- Top Speaker – Pete Martin, South Carolina
- 2nd Speaker – Steve Sleppin, Univ. of Miami
1958 (4-person debate) – Invitation
- 1st – Kentucky
- 2nd – Notre Dame
- Top Speaker – Jack Dempsey, Notre Dame
- 2nd Speaker (tie) – Fred McClercq, South Carolina; Jay Whitney, Notre Dame
1959
- 1st – George Washington (Top Aff Team) (David Aaronson & Al Capp)
- 2nd – William and Mary (Top Neg Team) (William Goddard & Tony Seinmeyer)
- Top Speaker – Unknown, George Washington
- [Lawrence Tribe competed for Harvard]
1960
- 1st – William and Mary
- 2nd – Univ. of Florida
1961
- 1st – Univ. of Florida (Bill Biglow & Bill McCormick)
- 2nd – South Carolina (Eddie Roberts & Jim Mann)
1962
- 1st – Wayne State Univ.
- 2nd – Univ. of Vermont
1963
- 1st – South Carolina, Toby Van Buren & Frank Cantrell
- 2nd – Georgetown Univ., Richard Hayes & Unknown
- Top Speaker – S. C. Richard Hayes, Georgetown
1964
- 1st – Wayne State (David Ling & Doug Frost)
- 2nd – George Washington (Dion Meek & Unknown)
- Top Speaker – Steve Mackauf, Univ. of Miami
- 2nd Speaker – Allen Dinsmore, Univ. of Miami
1965
- 1st – Canisius College (Tom Farrell & Tom Elmer)
- 2nd – Washington & Lee (Chris Mills & Unknown)
- Top Speaker – Gloria Smith, South Carolina
- 2nd Speaker (tie) – Marty Price, South Carolina; Chris Mills, Washington & Lee)
1966
- 1st – Univ. of Richmond Tim Finchem & Robert Cox
- 2nd – Marietta College
- Top Speaker – John O’Neill, Naval Academy
- 2nd Speaker – Susan Cahoon, Emory
1967
- 1st – South Carolina, Bob Salane & Tom Salene
- 2nd – Univ. of Detroit, Steve Kempski & David Peruch
- Top Speaker – Brenda Robinson, Wayne State
- 2nd Speaker – Joe Longino, Emory
1968
- 1st – Canisius College (Shimminger & Wagner)
- 2nd – Univ. of Georgia ((McCurley & Brussack)
- Top Speaker – Tom Salane, Univ. of South Carolina
- 2nd Speaker – Steve Gunderson, Northwestern Univ.
1969
- 1st – Northwestern Univ. (Ken Strange & Steve Gunderson)
- 2nd – Syracuse Univ.
1970
- 1st – George Washington (Michael Newcity & Mary Alyce McKeen)
- 2nd – West Georgia College (Barry Banther & Tom Greer)
- Top Speaker – Marty Remland, Western Illinois University
- 2nd Speaker – Ray Preiss, Western Illinois University
1971
- 1st – Univ. of Virginia (Thrash & Bittner)
- 2nd – George Washington (Ledford & Pistolessi)
- Top Speaker – Melissa Maxey, Emory
- 2nd Speaker – Greg Bittner, Virginia
1972
- 1st – West Georgia College (Elliott Pood & Barry Barther)
- 2nd – Univ. of Redlands (Pat Webb & Hanson)
- Top Speaker – Bill Russell, Kansas
- 2nd Speaker – Barry Banther, West Georgia
1973
- 1st – Univ. of Southern Calif. (Higelin & Hozduk)
- 2nd – Univ. of Southern Calif. (Solum & Johnson)
- Top Speaker – Mike Higelin, Southern California
- 2nd Speaker – Pat Webb, Redlands University
1974
- 1st – Northwestern Univ. (Erwin Chemerinksy & Alan Lowenshohn)
- 2nd – Univ. of Redlands (Conrad Clark & Pat Webb)
1975
- 1st – Northwestern Univ. (Alan Lowinsohn & Louis Kaplow)
- 2nd – Catholic Univ. (Chris Mooney & Geoff Ringer)
- Top Speaker – Al Loewinshon, Northwestern
- 2nd Speaker – Phil Zelikow, Redlands University
1976
- 1st – Univ. of Kansas (Frank Cross & Robin Rowland)
- 2nd – Univ. of Georgia (Richard Lively & Jon Bow)
- Top Speaker – Robin Rowland, Kansas
- 2nd Speaker – Frank Cross, Kansas
1977
- 1st – Univ. of Southern Calif. (Steve Combs & Jon Cassonelli)
- 2nd – Redlands Univ. (Mark Beltramo & Paul McNamara)
- Top Speaker – Doug Cotton, Loyola Marymount
- 2nd Speaker – Alan Rosenbloom, Massachusetts
1978
- 1st – West Georgia College (Paul Weathington & Randy Evans)
- 2nd – Univ. of Kansas (Kevin Fowler & Steve Griffin)
- Top Speaker – Barry Ragsdale, Florida Tech
- 2nd Speaker – Paul Weathington, West Georgia
1979 – Bracket
- 1st – Univ. of Redlands (Bill Isaacson & Lane Bearden)
- 2nd – Univ. of Central Florida (Barry Ragsdale & Jeff Liddicoat)
- Top Speaker – Paul Weathington, West Georgia
- 2nd Speaker – Cy Smith, Dartmouth
1980 – 25th Anniversary – Tournament Program
- 1st – Dartmouth College (Tom Lyon & Cy Smith)
- 2nd – West Georgia (Paul Weathington & Kelli Sager)
- Top Speaker – Paul Weathington, West Georgia
- 2nd Speaker – Kelli Sager, West Georgia
1981
- 1st – Univ. of Kentucky (Condon McGlothlin & Steve Mancuso)
- 2nd – Univ. of Kansas (Mark Gidley & Zac Grant)
- Top Speaker – Mike Hancock, Emory
- 2nd Speaker – Dave Sutherland, Louisville
1982
- 1st – Dartmouth College (Robin Jacobsohn & Tom Lyon)
- 2nd – Harvard Univ. (Jonathan Massey & Jonathan Weiner)
- Top Speaker – John Barrett, Georgetown
- 2nd Speaker – Doug Cotton, Loyola Marymount
1983
- 1st – Harvard Univ. (Jonathan Weiner & Johnathan Massey)
- 2nd – Bates College (Steven Dolley & Glenn Graham)
- Top Speaker – Bill Brewster, Emory University
- 2nd Speaker – Cindy Leiferman, University of Louisville
1984
- 1st – Bates College (Glenn Graham & Paul Rostenthal)
- 2nd – Northwestern Univ. (Doug Segal & Lyn Coyne)
1985
- 1st – UNC-Chapel Hill (Michael Egues & Jeremy Ofseyer)
- 2nd – Univ. of Massachusetts (Danny Povenelli & Mark Friedman)
- Top Speaker – Lyn Robbins, Baylor
- 2nd Speaker – John Culver, Kansas
1986
- 1st – Univ. of Kansas (John Culver & George Lopez)
- 2nd – Univ. of Redlands (Jeff Leon & Jeff LaFave)
- Top Speaker – John Culver, Univ. of Kansas
- 2nd Speaker – Cate Palczewski, Northwestern University
1987
- 1st – Northwestern Univ. (Gordon Mitchell & Ben Attias)
- 2nd – Univ. of Michigan (Michael Green & Andrew Schrank)
- Top Speaker – Madison Laird, Loyola Marymount
1988
- 1st – Northwestern Univ. (Gordon Mitchell & Danny Reiter)
- 2nd – Baylor Univ. (Danny Plants & Marty Loeber)
1989
- 1st – Univ. of Iowa (Nathan Coco & Chuck Smith)
- 2nd – Dartmouth College (Neal Katyal and Scott Groussman)
- Top Speaker – Andrew Schrank, Michigan
- 2nd Speaker – Madison Laird, Loyola-Marymont
1990
- 1st – Univ. of Redlands (Rodger Cole & Marc Rubinstein)
- 2nd – Univ. of Texas-Austin (Derek Jinks & Ryan Goodman)
- Top Speaker – T. A. McKinney, Kentucky
- 2nd Speaker – Marc Rubinstein, Redlands
1991
- 1st – Dartmouth College (Kenny Agran & Ara Lovitt)
- 2nd – Georgetown Univ. (Ahilan Arulanantham & Kevin Kuswa)
- Top Speaker – Charles Smith, Univ. of Iowa
- 2nd Speaker – Ara Lovitt, Dartmouth College
1992
- 1st – Georgetown Univ. (Ahilan Arulanantham & Eric Truett)
- 2nd – Dartmouth College (Ara Lovitt & Steven Sklaver)
- Top Speaker – Ara Lovitt, Dartmouth College
- 2nd Speaker – Matt Shors, Univ. of Michigan
1993
- 1st – Harvard Univ. (Stephen Andrews & Fred Karem)
- 2nd – Georgetown Univ. (Ahilan Arulanantham & Lars Berg)
- Top Speaker – Fred Karem, Harvard
- 2nd Speaker – Paul Skiermont, Kentucky
1994 (*Tournament moved to February for two years)
1995
- 1st – Dartmouth College (Andre Hylton & Marc Wilson)
- 2nd – Emory Univ. (Charlie Henn & Jamie McKown)
- Top Speaker – Paul Skiermont, Kentucky
- 2nd Speaker – Steve Andrews, Harvard
1996 (Hosted by Univ. of Michigan as Wake Forest hosted NDT)
- 1st – Northwestern Univ. (Shawn McCaffity & Mason Miller)
- 2nd – Wake Forest Univ. (Brian Prestes & John Hughes)
- Top Speaker – Andre Hylton, Dartmouth
- 2nd Speaker – Sean McCaffity, Northwestern
1996
- 1st – Michigan (Scott Hessell & Corey Stoughton)
- 2nd – Louisville (Dave Arnett & Jason Renzelmann)
- Top Speaker – Corey Rayburn, Iowa
- 2nd Speaker – Kelly Dunbar, Baylor
1997
- 1st – Dartmouth College (David Hung & Steven Lehotsky)
- 2nd – Harvard Univ. (Sonja Starr & Carl Engstrom)
- Top Speaker – Eric Cornellier, Michigan State
- 2nd Speaker – Hajir Ardebili, Kansas
1998
- 1st – Emory Univ. (Steven Bailey & Kamal Ghali)
- 2nd – Emory Univ. (Larry Heftman & Jeff McNabb)
- Top Speaker – George Kouros, Emory
- 2nd Speaker – Lindsay Harrison, Univ. of Southern California
1999
- 1st – Univ. of Kansas (Grant McKeehen & Mike Eber)
- 2nd – Univ. of Iowa (Kristen Langwell & Andy Ryan)
- Top Speaker – Kamal Ghali, Emory Univ.
- 2nd Speaker – Brian Ray, Univ. of Kentucky
2000
- 1st – Univ. of California-Berkeley (Randy Luskey & Dan Shalmon)
- 2nd – Univ. of Texas (Krik Evans & Loe Hornbuckle)
- Top Speaker – Andy Ryan, Univ. of Iowa
- 2nd Speaker – Kamal Ghali, Emory Univ.
2001
- 1st (Tie) – Northwestern (Foster & Paul)
- 2nd – Northwestern (Gadddipati & Lux)
- Top Speaker – John Rains, Emory University
- 2nd Speaker – Calum Matheson, Michigan State University
2002
- 1st – Northwestern University (Garen & Morales)
- 2nd – Fort Hays State University (Regnier & Saindon)
- Top Speaker – Josh Lynn, Emory University
- 2nd Speaker – Jason Regnier, Ft. Hays State University
2003
- 1st – UC-Berkeley (Shalmon & Singh)
- 2nd – Univ. of Georgia (Watson & Ramachandrappa)
- Top Speaker – Scott Phillips, Emory Univ.
- 2nd Speaker – Elliot Tarloff, Harvard Univ.
2004
- 1st – Northwestern (Tristan Morales & Josh Branson)
- 2nd – Emory (Bob Allen & Scott Phillips)
- Top Speaker – Elliot Tarloff – Harvard
- 2nd Speaker – Tristan Morales – Northwestern
2005
- 1st – Harvard Univ. ( Michael Klinger & Nikhill Mirchandani)
- 2nd – Michigan State Univ. (Ryan Burke & Casey Harrigan)
- Top Speaker – Josh Branson – Northwestern Univ.
- 2nd Speaker – Scott Phillips – Emory Univ.
2006
- 1st – Oklahoma Univ. (Conor Cleary & Blake Johnson)
- 2nd – Georgia Univ., Brent Culpepper & Kevin Rabinowitz
- Top Speaker – Kathryn Clark, Dartmouth Univ.
- 2nd Speaker – Dan Luxemburg, Harvard Univ.
2009
- 1st – Northwestern Univ. (Matt Fisher & Stephanie Spies)
- 2nd – Emory Univ. (Stephen Weil & Ovais Inamullah)
- Top Speaker – Stehen Weil, Emory Univ.
- 2nd Speaker – Kevin Kallmyer, Mary Washington Univ.
