Pre-Trophy era
The two schools played each other 24 times between 1894 and 1934, before the Cy-Hawk Trophy was established in 1977. The series halted after 1934 after then University of Iowa Athletic Director and head football coach Ossie Solem would not return calls to reschedule the rivalry.
Date | Location | Winning team | Losing team | Series | ||
---|---|---|---|---|---|---|
October 1, 1894 | Iowa City | Iowa State | 12 | Iowa | 8 | Iowa State 1–0 |
October 28, 1895 | Iowa City | Iowa State | 24 | Iowa | 0 | Iowa State 2–0 |
November 5, 1897 | Iowa City | Iowa State | 12 | Iowa | 0 | Iowa State 3–0 |
October 28, 1899 | Iowa City | Iowa | 5 | Iowa State | 0 | Iowa State 3–1 |
October 18, 1901 | Iowa City | Iowa | 6 | Iowa State | 0 | Iowa State 3–2 |
November 1, 1902 | Iowa City | Iowa | 16 | Iowa State | 12 | Tied 3–3 |
October 29, 1904 | Iowa City | Iowa | 10 | Iowa State | 6 | Iowa 4–3 |
November 24, 1905 | Ames | Iowa | 8 | Iowa State | 0 | Iowa 5–3 |
November 24, 1906 | Iowa City | Iowa State | 2 | Iowa | 0 | Iowa 5–4 |
November 23, 1907 | Ames | Iowa State | 20 | Iowa | 14 | Tied 5–5 |
November 13, 1909 | Iowa City | Iowa | 13 | Iowa State | 0 | Iowa 6–5 |
November 5, 1910 | Ames | Iowa | 2 | Iowa State | 0 | Iowa 7–5 |
November 18, 1911 | Iowa City | Iowa State | 9 | Iowa | 0 | Iowa 7–6 |
November 16, 1912 | Ames | Iowa | 20 | Iowa State | 7 | Iowa 8–6 |
November 15, 1913 | Iowa City | Iowa | 45 | Iowa State | 7 | Iowa 9–6 |
November 14, 1914 | Ames | Iowa | 26 | Iowa State | 6 | Iowa 10–6 |
November 13, 1915 | Iowa City | Iowa State | 16 | Iowa | 0 | Iowa 10–7 |
November 18, 1916 | Ames | Iowa | 19 | Iowa State | 16 | Iowa 11–7 |
November 24, 1917 | Iowa City | Iowa | 6 | Iowa State | 3 | Iowa 12–7 |
November 16, 1918 | Iowa City | Iowa | 21 | Iowa State | 0 | Iowa 13–7 |
November 22, 1919 | Iowa City | Iowa | 10 | Iowa State | 0 | Iowa 14–7 |
November 20, 1920 | Ames | Iowa | 14 | Iowa State | 10 | Iowa 15–7 |
November 4, 1933 | Iowa City | Iowa | 27 | Iowa State | 7 | Iowa 16–7 |
November 20, 1934 | Ames | Iowa State | 31 | Iowa | 6 | Iowa 16–8 |
Cy-Hawk Trophy era
Since 1977, the two schools have met annually for the Cy-Hawk Trophy. The rankings are according to the AP poll.
Date | Location | Winning team | Losing team | Series | ||
---|---|---|---|---|---|---|
September 17, 1977 | Iowa City | Iowa | 12 | Iowa State | 10 | Iowa 17–8 |
September 23, 1978 | Iowa City | #20 Iowa State | 31 | Iowa | 0 | Iowa 17–9 |
September 29, 1979 | Iowa City | Iowa | 30 | Iowa State | 14 | Iowa 18–9 |
September 27, 1980 | Iowa City | Iowa State | 10 | Iowa | 7 | Iowa 18–10 |
September 19, 1981 | Ames | Iowa State | 23 | Iowa | 12 | Iowa 18–11 |
September 18, 1982 | Iowa City | Iowa State | 19 | Iowa | 7 | Iowa 18–12 |
September 10, 1983 | Ames | #10 Iowa | 51 | Iowa State | 10 | Iowa 19–12 |
September 8, 1984 | Iowa City | #10 Iowa | 59 | Iowa State | 21 | Iowa 20–12 |
September 28, 1985 | Ames | #3 Iowa | 57 | Iowa State | 3 | Iowa 21–12 |
September 13, 1986 | Iowa City | Iowa | 43 | Iowa State | 7 | Iowa 22–12 |
September 19, 1987 | Ames | Iowa | 48 | Iowa State | 9 | Iowa 23–12 |
September 24, 1988 | Iowa City | Iowa | 10 | Iowa State | 3 | Iowa 24–12 |
September 23, 1989 | Ames | Iowa | 31 | Iowa State | 21 | Iowa 25–12 |
September 22, 1990 | Iowa City | Iowa | 45 | Iowa State | 35 | Iowa 26–12 |
September 14, 1991 | Ames | #14 Iowa | 29 | Iowa State | 10 | Iowa 27–12 |
September 12, 1992 | Iowa City | Iowa | 21 | Iowa State | 7 | Iowa 28–12 |
September 11, 1993 | Ames | Iowa | 31 | Iowa State | 28 | Iowa 29–12 |
September 10, 1994 | Iowa City | Iowa | 37 | Iowa State | 9 | Iowa 30–12 |
September 16, 1995 | Ames | Iowa | 27 | Iowa State | 10 | Iowa 31–12 |
September 14, 1996 | Iowa City | #21 Iowa | 38 | Iowa State | 13 | Iowa 32–12 |
September 20, 1997 | Ames | #13 Iowa | 63 | Iowa State | 20 | Iowa 33–12 |
September 12, 1998 | Iowa City | Iowa State | 27 | Iowa | 9 | Iowa 33–13 |
September 11, 1999 | Ames | Iowa State | 17 | Iowa | 10 | Iowa 33–14 |
September 16, 2000 | Iowa City | Iowa State | 24 | Iowa | 14 | Iowa 33–15 |
November 24, 2001 | Ames | Iowa State | 17 | Iowa | 14 | Iowa 33–16 |
September 14, 2002 | Iowa City | Iowa State | 36 | Iowa | 31 | Iowa 33–17 |
September 13, 2003 | Ames | #23 Iowa | 40 | Iowa State | 21 | Iowa 34–17 |
September 11, 2004 | Iowa City | #16 Iowa | 17 | Iowa State | 10 | Iowa 35–17 |
September 10, 2005 | Ames | Iowa State | 23 | #8 Iowa | 3 | Iowa 35–18 |
September 16, 2006 | Iowa City | #16 Iowa | 27 | Iowa State | 17 | Iowa 36–18 |
September 15, 2007 | Ames | Iowa State | 15 | Iowa | 13 | Iowa 36–19 |
September 13, 2008 | Iowa City | Iowa | 17 | Iowa State | 5 | Iowa 37–19 |
September 12, 2009 | Ames | Iowa | 35 | Iowa State | 3 | Iowa 38–19 |
September 11, 2010 | Iowa City | #9 Iowa | 35 | Iowa State | 7 | Iowa 39–19 |
September 10, 2011 | Ames | Iowa State | 44 | Iowa | 41 | Iowa 39–20 |
September 8, 2012 | Iowa City | Iowa State | 9 | Iowa | 6 | Iowa 39–21 |
September 14, 2013 | Ames | Iowa | 27 | Iowa State | 21 | Iowa 40–21 |
September 13, 2014 | Iowa City | Iowa State | 20 | Iowa | 17 | Iowa 40–22 |
September 12, 2015 | Ames | Iowa | 31 | Iowa State | 17 | Iowa 41–22 |
September 10, 2016 | Iowa City | Iowa | 42 | Iowa State | 3 | Iowa 42–22 |
September 9, 2017 | Ames | Iowa | 44 | Iowa State | 41 | Iowa 43–22 |
September 8, 2018 | Iowa City | Iowa | 13 | Iowa State | 3 | Iowa 44–22 |