Winning and losing streaks, year-by-year.
- 2025
- Winning: Oregon – 6
- Losing: Boxboro – 6
- 2024
- Winning: Boxboro – 7
- Losing: Philadelphia – 6
- 2023
- Winning: Miami, Dallas – 6
- Losing: Keystone – 12
- 2022
- Winning: Mercer, Miami – 7
- Losing: Orange County – 9
- 2021
- Winning: Dallas, Frelinghuysen, Miami – 4
- Losing: Happy Valley – 8
- 2020
- Winning: Chicago, Boxboro – 5
- Losing: Keystone, Mercer – 5
- 2019
- Winning: Oregon, Keystone, Philadelphia – 5
- Losing: Dallas – 5
- 2018
- Winning: Dallas, Happy Valley, Keystone, New Pepper – 4
- Losing: Miami, Orange County, Philadelphia – 4
- Non-Winning: Oregon – 6 (0-5-1)
- 2017
- Winning: New Chester – 11
- Losing: Orange County, Happy Valley, Oregon – 6
- 2016
- Winning: MassIll – 10
- Losing: Orange County – 10
- 2015
- Winning: Happy Valley – 6
- Losing: Boston, Orange County, Frelinghuysen (twice) – 4
- 2014
- Winning: Dallas – 10
- Losing: Boston and Frelinghuysen – 5
- 2013
- Winning: Dallas – 5
- Losing: New Chester – 9
- 2012
- Winning: Mercer, Oregon – 8
- Losing: MassIll – 9
- 2011
- Winning: Happy Valley – 7
- Losing: Keystone – 5
- 2010
- Winning: Oregon – 6
- Losing: Miami and New Chester – 6
- 2009
- Winning: Orange County – 6
- Losing: New Chester – 10
- 2008
- Winning: Boston – 9
- Losing: Syracuse – 11
- 2007
- Winning: Orange County – 8
- Losing: Syracuse – 8
- 2006
- Winning: Keystone – 10
- Losing: Orange County, Frelinghuysen, Syracuse – all tied at 5
- 2005
- Winning: Oregon – 7
- Losing: Miami – 9
- 2004
- Winning: Dallas – 8
- Non-Losing: Graynbald – 11 (10-0-1)
- Losing: New Denver – 14 (regular season, 16 including Cellar Dwellar)
- 2003
- Winning: Oregon – 7
- Non-Losing: Oregon – 12 (11-0-1)
- Losing: Dallas, Frelinghuysen, Happy Valley, Keystone, Mercer, Miami – all tied at 5
- 2002
- Winning: Newport Beach, Keystone, Graynbald – all tied at 5
- Losing: Miami – 8
- 2001
- Winning: Boston, Graynbald, Keystone, Mercer and Syracuse – all tied at 5
- Losing: New Denver – 8
- 2000
- Winning: New York – 9
- Losing: Dallas – 8
- 1999
- Winning: Mercer – 10
- Losing: Frelinghuysen – 8
- 1998
- Winning: New York – 8
- Losing: Richmond – 12
- 1997
- Winning: Pennsylvania – 10
- Losing: Newport Beach & Richmond – both tied at 6
- 1996
- Winning: Pittsburgh – 7
- Losing: State College – 10
- 1995
- Winning: New York – 11
- Losing: Miami – 5
- 1994
- Winning: Wisconsin – 9
- Losing: State College – 9
- 1993
- Winning: Los Angeles – 10
- Losing: Dallas – 7
- 1992
- Winning: State College & Virginia – 6
- Losing: Dallas – 10