The Hawkeyes reclaimed the Cy-Hawk Trophy in 2023. Iowa leads the trophy series 31-15 and the overall series 47-23.
Before the trophy
1894 — Iowa State 16, Iowa 8, in Iowa City
1895 — Iowa State 24, Iowa 0, in Iowa City
1897 — Iowa State 12, Iowa 0, in Iowa City
1899 — Iowa 5, Iowa State 0, in Iowa City
1901 — Iowa 6, Iowa State 0, in Iowa City
1902 — Iowa 16, Iowa State 12, in Iowa City
1904 — Iowa 10, Iowa State 6, in Iowa City
1905 — Iowa 8, Iowa State 0, in Ames
1906 — Iowa State 2, Iowa 0, in Iowa City
1907 — Iowa State 20, Iowa 14, in Ames
1909 — Iowa 13, Iowa State 0, in Iowa City
1910 — Iowa 2, Iowa State 0, in Ames
1911 — Iowa State 9, Iowa 0, in Iowa City
1912 — Iowa 20, Iowa State 7, in Ames
1913 — Iowa 45, Iowa State 7, in Iowa City
1914 — Iowa 26, Iowa State 6, in Ames
1915 — Iowa State 16, Iowa 0, in Iowa City
1916 — Iowa 19, Iowa State 16, in Ames
1917 — Iowa 6, Iowa State 3, in Iowa City
1918 — Iowa 21, Iowa State 0, in Iowa City
1919 — Iowa 10, Iowa State 0, in Iowa City
1920 — Iowa 14, Iowa State 10, in Ames
1933 — Iowa 27, Iowa State 7, in Iowa City
1934 — Iowa State 31, Iowa 6, in Ames
Cy-Hawk Trophy
1977 — Iowa 12, Iowa State 10, in Iowa City
1978 — Iowa State 31, Iowa 0, in Iowa City
1979 — Iowa 30, Iowa State 14, in Iowa City
1980 — Iowa State 10, Iowa 7, in Iowa City
1981 — Iowa State 23, Iowa 12, in Ames
1982 — Iowa State 19, Iowa 7, in Iowa City
1983 — Iowa 51, Iowa State 10, in Ames
1984 — Iowa 59, Iowa State 21, in Iowa City
1985 — Iowa 57, Iowa State 3, in Ames
1986 — Iowa 43, Iowa State 7, in Iowa City
1987 — Iowa 48, Iowa State 9, in Ames
1988 — Iowa 10, Iowa State 3, in Iowa City
1989 — Iowa 31, Iowa State 21, in Ames
1990 — Iowa 45, Iowa State 35, in Iowa City
1991 — Iowa 29, Iowa State 10, in Ames
1992 — Iowa 21, Iowa State 7, in Iowa City
1993 — Iowa 31, Iowa State 28, in Ames
1994 — Iowa 37, Iowa State 9, in Iowa City
1995 — Iowa 27, Iowa State 10, in Ames
1996 — Iowa 38, Iowa State 13, in Iowa City
1997 — Iowa 63, Iowa State 20, in Ames
1998 — Iowa State 27, Iowa 9, in Iowa City
1999 — Iowa State 17, Iowa 10, in Ames
2000 — Iowa State 24, Iowa 14, in Iowa City
2001 — Iowa State 17, Iowa 14, in Ames
2002 — Iowa State 36, Iowa 31, in Iowa City
2003 — Iowa 40, Iowa State 21, in Ames
2004 — Iowa 17, Iowa State 10, in Iowa City
2005 — Iowa State 23, Iowa 3, in Ames
2006 — Iowa 27, Iowa State 17, in Iowa City
2007 — Iowa State 15, Iowa 13, in Ames
2008 — Iowa 17, Iowa State 5, in Iowa City
2009 — Iowa 35, Iowa State 3, in Ames
2010 — Iowa 35, Iowa State 7, in Iowa City
2011 — Iowa State 44, Iowa 41, 3OT, in Ames
2012 — Iowa State 9, Iowa 6, in Iowa City
2013 — Iowa 27, Iowa State 21, in Ames
2014 — Iowa State 20, Iowa 17, in Iowa City
2015 — Iowa 31, Iowa State 17, in Ames
2016 — Iowa 42, Iowa State 3, in Iowa City
2017 — Iowa 44, Iowa State 41, OT, in Ames
2018 — Iowa 13, Iowa State 3, in Iowa City
2019 — Iowa 18, Iowa State 17, in Ames
2021 — Iowa 27, Iowa State 17, in Ames
2022 — Iowa State 10, Iowa 7, in Iowa City
2023 — Iowa 20, Iowa State 13, in Ames
