Iowa won the Heartland Trophy in 2022. Wisconsin leads the overall series 49-46-2 and the trophy series 10-8.
Before the trophy
1894 — Wisconsin 44, Iowa 0, in Madison
1906 — Wisconsin 18, Iowa 4, in Madison
1907 — Wisconsin 6, Iowa 5, in Iowa City
1911 — Wisconsin 12, Iowa 0, in Madison
1912 — Wisconsin 28, Iowa 10, in Iowa City
1917 — Wisconsin 20, Iowa 0, in Madison
1924 — Iowa 21, Wisconsin 7, in Madison
1925 — Wisconsin 6, Iowa 0, in Iowa City
1926 — Wisconsin 20, Iowa 10, in Madison
1927 — Iowa 16, Wisconsin 0, in Madison
1928 — Wisconsin 13, Iowa 0, in Iowa City
1929 — Iowa 14, Wisconsin 0, in Madison
1932 — Wisconsin 34, Iowa 0, in Madison
1933 — Iowa 26, Wisconsin 7, in Iowa City
1937 — Wisconsin 13, Iowa 6, in Madison
1938 — Wisconsin 31, Iowa 13, in Iowa City
1939 — Iowa 19, Wisconsin 13, in Madison
1940 — Iowa 30, Wisconsin 12, in Iowa City
1941 — Wisconsin 23, Iowa 0, in Madison
1942 — Iowa 6, Wisconsin 0, in Iowa City
1943 — Wisconsin 7, Iowa 5, in Iowa City
1944 — Wisconsin 26, Iowa 7, in Madison
1945 — Wisconsin 27, Iowa 7, in Iowa City
1946 — Iowa 21, Wisconsin 7, in Madison
1947 — Wisconsin 46, Iowa 14, in Madison
1948 — Iowa 19, Wisconsin 13, in Iowa City
1949 — Wisconsin 35, Iowa 13, in Madison
1950 — Wisconsin 14, Iowa 0, in Iowa City
1951 — Wisconsin 34, Iowa 7, in Madison
1952 — Wisconsin 42, Iowa 13, in Iowa City
1953 — Wisconsin 10, Iowa 6, in Madison
1954 — Iowa 13, Wisconsin 7, in Iowa City
1955 — Wisconsin 37, Iowa 14, in Madison
1956 — Iowa 13, Wisconsin 7, in Iowa City
1957 — Iowa 21, Wisconsin 7, in Iowa City
1958 — Iowa 20, Wisconsin 9, in Madison
1959 — Wisconsin 25, Iowa 16, in Madison
1960 — Iowa 28, Wisconsin 21, in Iowa City
1961 — Iowa 47, Wisconsin 15, in Iowa City
1962 — Wisconsin 42, Iowa 14, in Madison
1963 — Wisconsin 10, Iowa 7, in Iowa City
1964 — Wisconsin 31, Iowa 21, in Madison
1965 — Wisconsin 16, Iowa 13, in Madison
1966 — Wisconsin 7, Iowa 0, in Iowa City
1967 — Tie 21-21, in Madison
1968 — Iowa 41, Wisconsin 0, in Iowa City
1969 — Wisconsin 23, Iowa 17, in Madison
1970 — Iowa 24, Wisconsin 14, in Iowa City
1971 — Iowa 20, Wisconsin 16, in Iowa City
1972 — Wisconsin 16, Iowa 14, in Madison
1973 — Wisconsin 35, Iowa 7, in Madison
1974 — Wisconsin 28, Iowa 15, in Iowa City
1975 — Iowa 45, Wisconsin 28, in Iowa City
1976 — Wisconsin 38, Iowa 21, in Madison
1977 — Iowa 24, Wisconsin 8, in Madison
1978 — Iowa 38, Wisconsin 24, in Iowa City
1979 — Iowa 24, Wisconsin 13, in Madison
1980 — Iowa 22, Wisconsin 13, in Iowa City
1981 — Iowa 17, Wisconsin 7, in Madison
1982 — Iowa 28, Wisconsin 14, in Iowa City
1983 — Iowa 34, Wisconsin 14, in Madison
1984 — Tie 10-10, in Iowa City
1985 — Iowa 23, Wisconsin 13, in Madison
1986 — Iowa 17, Wisconsin 6, in Iowa City
1987 — Iowa 31, Wisconsin 10, in Madison
1988 — Iowa 31, Wisconsin 6, in Iowa City
1989 — Iowa 31, Wisconsin 24, in Madison
1990 — Iowa 30, Wisconsin 10, in Iowa City
1991 — Iowa 10, Wisconsin 6, in Madison
1992 — Iowa 23, Wisconsin 22, in Iowa City
1995 — Iowa 33, Wisconsin 20, in Madison
1996 — Iowa 31, Wisconsin 0, in Iowa City
1997 — Wisconsin 13, Iowa 10, in Madison
1998 — Wisconsin 31, Iowa 0, in Iowa City
1999 — Wisconsin 41, Iowa 3, in Madison
2000 — Wisconsin 13, Iowa 7, in Iowa City
2001 — Wisconsin 34, Iowa 28, in Madison
2002 — Iowa 20, Wisconsin 3, in Iowa City
2003 — Iowa 27, Wisconsin 21, in Madison
Heartland Trophy
2004 — Iowa 30, Wisconsin 7, in Iowa City
2005 — Iowa 20, Wisconsin 10, in Madison
2006 — Wisconsin 24, Iowa 21, in Iowa City
2007 — Wisconsin 17, Iowa 13, in Madison
2008 — Iowa 38, Wisconsin 16, in Iowa City
2009 — Iowa 20, Wisconsin 10, in Madison
2010 — Wisconsin 31, Iowa 30, in Iowa City
2013 — Wisconsin 28, Iowa 9, in Iowa City
2014 — Wisconsin 26, Iowa 24, in Iowa City
2015 — Iowa 10, Wisconsin 6, in Madison
2016 — Wisconsin 17, Iowa 9, in Iowa City
2017 — Wisconsin 38, Iowa 14, in Madison
2018 — Wisconsin 28, Iowa 17, in Iowa City
2019 — Wisconsin 24, Iowa 22, in Madison
2020 — Iowa 28, Wisconsin 7, in Iowa City
2021 — Wisconsin 27, Iowa 7, in Madison
2022 — Iowa 24, Wisconsin 10, in Iowa City
2023 — Iowa 15, Wisconsin 6, in Madison
