Carol Osuhowski Perpetual Trophy
In November 1948, Mr. and Mrs. Mitchell Osuhowski donated a sterling silver loving cup as a perpetual trophy to be awarded for a regularly scheduled championship series race in Class X. The trophy first appears in the 1948 yearbook in the 1947 list of winners.
- 1947 Carol Osuhowski
- 1948 Peter Freytag
- 1949 Jim Lund
- 1950 Peter Freytag
- 1951 Tom Ferris
- 1952 Pat Harring
- 1953 Rich Swanson
- 1954 John Anderson
- 1955 Terry Leahy
- 1956 Toby Case
- 1957 Chuck Anderson
- 1958 Larry Stevens
- 1959 John Kroeger
- 1960 Pam Piehl
- 1961 Jerry Williams
- 1962 Brad Vogel
- 1963 Brad Vogel
- 1964 George Beukema
- 1965 Vincent Jacobs
- 1967 Thomas Fiedler
- 1968 Jim McGinley
- 1969 Don Harring
- 1971 Susan Pegel
- 1972 Marilyn Williams
- 1973 Chuck Lamphere
- 1974 Mark Childers
- 1975 Jeff Perrigo
- 1976 Harry Melges III
- 1977 Harry Melges III
- 1978 Gary Winter
- 1979 Hans Melges
- 1980 Hans Melges
- 1981 Pete Wall
- 1982 Ed Libby
- 1983 Jeff Doubek
- 1984 Jeff Doubek
- 1985 Jack Lothian
- 1986 Jack Lothian
- 1987 Jack Lothian
- 1988 Jim Carlson
- 1989 Jim Carlson
- 1990 Jim Carlson
- 1991 Jim Carlson
- 1992 Steve Zils
- 1993 Erick Youngquist
- 1994 Erick Youngquist
- 1995 Erick Youngquist
- 1996 Erick Youngquist
- 1997 Erick Youngquist
- 1998 Vincent Porter
- 1999 Vincent Porter
- 2000 Andy Labanauskas
- 2001 Corbett Porter
- 2002 Patrick Doran
- 2003 William Jacobs
- 2004 Clifford Porter
- 2005 No race
- 2006 Coye Harrett
- 2007 Davis Porter
- 2008
- 2009 Griffin Rolander
- 2010 Matt Ripkey
- 2011 Griffin Rolander
- 2012 No race
- 2013 Will Huerth
- 2014 Kyle Navin
- 2015 No Race
- 2016 Chapman Petersen
- 2017 No Race
- 2018 Chapman Petersen
- 2019 No Race
- 2020 Finn Burdick
- 2021 No Race
- 2022 Owen Kohut
- 2023 No Race