US National Championships
1963: Men's AA/EF, Women's AA/EF
1964: Men's AA/EF, Women's AA/EF
1965: Men's AA/EF, Women's AA/EF
1966: Men's AA/EF, Women's AA/EF
1967: Men's AA/EF
1968: Men's AA/EF, Women's AA/EF
1969: Men's AA/EF, Women's AA
1970: Men's AA/EF, Women's AA
1971: Men's AA/EF, Women's AA/EF
1972: Men's AA/EF, Women's AA/EF, Jr. Women's AA
1973: Men's AA/EF, Women's AA/EF
1974: Men's AA/EF, Women's AA/EF, Jr. Women's AA/EF
1975: Men's AA/EF, Women's AA/EF
1976: Men's AA/EF, Women's AA/EF, Jr. Women's AA/EF
1977: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA/EF
1978: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA
1979: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA
1980: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA/EF
1981: Men's AA, Men's EF, Women's AA, Jr. Women's AA
1982: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA/EF
1983: Men's AA, Men's EF, Women's AA, Women's EF
1984: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA
1985: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA (14 yrs), Jr. Women's AA (9-13 yrs)
1986: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA
1987: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA
1988: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA
1989: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA
1990: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Men's AA, Jr. Women's AA
1991: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Men's AA, Jr. Women's AA
1992: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Men's AA, Jr. Women's AA
1993: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Men's AA, Jr. Women's AA
1994: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Men's AA, Jr. Women's AA
1995: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Men's AA, Jr. Women's AA
1996: Men's AA, Men's EF, Women's AA, Women's EF, Jr. Women's AA
1997: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
1998: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
1999: Men's AA, Women's AA, Women's EF, Jr. Men's AA, Jr. Women's AA
2000: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2001: Men's AA, Women's AA, Jr. Women's AA
2002: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2003: Men's AA, Women's AA, Jr. Women's AA
2004: Men's AA, Women's AA, Jr. Women's AA
2005: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2006: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2007: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2008: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2009: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2010: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2011: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2012: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2013: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2014: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2015: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2016: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2017: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2018: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2019: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA
2020: Event not held
2021: Men's AA, Women's AA, Jr. Men's AA, Jr. Women's AA