Iowa–Iowa State rivalry

The Iowa–Iowa State rivalry is an American college rivalry between the Iowa Hawkeyes sports teams of the University of Iowa and the Iowa State Cyclones sports teams of Iowa State University. The two universities currently compete with each other in the Iowa Corn Cy-Hawk Series, which awards points for athletic victories over the other university. The two schools also compete for the Cy-Hawk Trophy, which is awarded to the winner of the annual football game between the two schools.

Iowa and Iowa State rank as the top two universities in Iowa in terms of enrollment. As of the fall 2011 semester, the University of Iowa, located in Iowa City, had 21,565 undergraduate students enrolled,^[1] while Iowa State University, located in Ames, had 24,343 undergraduates enrolled.^[2] The two schools compete in a wide range of sports, including wrestling, golf, volleyball, soccer, cross country, swimming, gymnastics, and softball, among major sports such as football and basketball.^[3]

Football series

Men's basketball series

Iowa victories are shaded in black ██. Iowa State victories shaded in cardinal ██.

Date	Site	Winning team		Losing team		Series
February 5, 1909	Ames	Iowa	30	Iowa State	27	UI 1-0
February 26, 1910	Iowa City	Iowa	24	Iowa State	12	UI 2-0
February 8, 1913	Iowa City	Iowa	27	Iowa State	15	UI 3-0
February 25, 1913	Ames	Iowa	21	Iowa State	13	UI 4-0
January 31, 1914	Iowa City	Iowa	22	Iowa State	15	UI 5-0
February 24, 1914	Ames	Iowa	21	Iowa State	16	UI 6-0
February 16, 1915	Iowa City	Iowa	27	Iowa State	12	UI 7-0
March 4, 1915	Ames	Iowa	23	Iowa State	18	UI 8-0
February 19, 1916	Iowa City	Iowa	26	Iowa State	9	UI 9-0
March 4, 1916	Ames	Iowa	22	Iowa State	14	UI 10-0
February 16, 1917	Ames	Iowa State	24	Iowa	12	UI 10-1
February 27, 1917	Iowa City	Iowa	15	Iowa State	13	UI 11-1
February 9, 1918	Iowa City	Iowa	24	Iowa State	9	UI 12-1
March 1, 1918	Ames	Iowa	22	Iowa State	20	UI 13-1
February 15, 1919	Iowa City	Iowa	27	Iowa State	17	UI 14-1
March 1, 1919	Ames	Iowa	29	Iowa State	20	UI 15-1
January 23, 1920	Iowa City	Iowa	27	Iowa State	15	UI 16-1
March 6, 1920	Ames	Iowa	26	Iowa State	19	UI 17-1
February 15, 1921	Iowa City	Iowa State	20	Iowa	16	UI 17-2
March 11, 1921	Ames	Iowa State	26	Iowa	18	UI 17-3
December 11, 1933	Iowa City	Iowa	30	Iowa State	12	UI 18-3
January 1, 1935	Ames	Iowa State	41	Iowa	33	UI 18-4
January 23, 1970	Iowa City	Iowa	87	Iowa State	68	UI 19-4
December 18, 1971	Ames	Iowa State	97	Iowa	94	UI 19-5
January 2, 1973	Iowa City	Iowa	66	Iowa State	57	UI 20-5
January 7, 1974	Ames	Iowa State	94	Iowa	77	UI 20-6
December 12, 1974	Iowa City	Iowa	77	Iowa State	66	UI 21-6
December 12, 1975	Ames	Iowa	91	Iowa State	77	UI 22-6
December 18, 1976	Iowa City	Iowa	85	Iowa State	64	UI 23-6
November 26, 1977	Ames	Iowa State	79	Iowa	78	UI 23-7
December 11, 1978	Iowa City	Iowa	67	Iowa State	66	UI 24-7
December 15, 1979	Ames	(17) Iowa	67	Iowa State	64	UI 25-7
December 20, 1980	Iowa City	(16) Iowa	85	Iowa State	59	UI 26-7
December 8, 1981	Ames	(6) Iowa	79	Iowa State	68	UI 27-7
January 15, 1983	Iowa City	(12) Iowa	73	Iowa State	56	UI 28-7
January 14, 1984	Ames	Iowa State	76	Iowa	72 (2OT)	UI 28-8
December 4, 1984	Iowa City	Iowa State	54	Iowa	50	UI 28-9
December 10, 1985	Ames	Iowa State	74	Iowa	61	UI 28-10
December 20, 1986	Iowa City	(3) Iowa	89	Iowa State	64	UI 29-10
December 19, 1987	Ames	(20) Iowa State	102	(7) Iowa	100 (OT)	UI 29-11
December 10, 1988	Iowa City	(5) Iowa	91	Iowa State	71	UI 30-11
December 7, 1989	Ames	Iowa	89	Iowa State	87	UI 31-11
December 8, 1990	Iowa City	Iowa	75	Iowa State	73	UI 32-11
December 14, 1991	Ames	Iowa State	98	(16) Iowa	84	UI 32-12
December 12, 1992	Iowa City	(8) Iowa	78	Iowa State	51	UI 33-12
December 11, 1993	Ames	Iowa State	86	Iowa	79	UI 33-13
December 10, 1994	Iowa City	Iowa State	76	Iowa	63	UI 33-14
December 9, 1995	Ames	(12) Iowa	56	Iowa State	50	UI 34-14
December 14, 1996	Iowa City	(6) Iowa State	81	Iowa	74	UI 34-15
December 13, 1997	Ames	(10) Iowa	60	Iowa State	59	UI 35-15
December 12, 1998	Iowa City	Iowa	74	Iowa State	54	UI 36-15
December 11, 1999	Ames	Iowa State	79	Iowa	66	UI 36-16
December 9, 2000	Iowa City	Iowa	80	(25) Iowa State	68	UI 37-16
December 8, 2001	Ames	(12) Iowa	78	Iowa State	53	UI 38-16
December 13, 2002	Iowa City	Iowa State	73	Iowa	69	UI 38-17
March 21, 2003	Ames	Iowa	54	Iowa State	53	UI 39-17 (NIT)
January 21, 2004	Ames	Iowa State	84	Iowa	76	UI 39-18
December 10, 2004	Iowa City	(17) Iowa	70	Iowa State	63	UI 40-18
December 9, 2005	Ames	Iowa State	72	(12) Iowa	60	UI 40-19
December 8, 2006	Iowa City	Iowa	77	Iowa State	59	UI 41-19
December 8, 2007	Ames	Iowa State	56	Iowa	47	UI 41-20
December 12, 2008	Iowa City	Iowa	73	Iowa State	57	UI 42-20
December 11, 2009	Ames	Iowa State	81	Iowa	71	UI 42-21
December 10, 2010	Iowa City	Iowa State	75	Iowa	72	UI 42-22
December 9, 2011	Ames	Iowa State	86	Iowa	76	UI 42-23
December 7, 2012	Iowa City	Iowa	80	Iowa State	71	UI 43-23
December 13, 2013	Ames	(17) Iowa State	85	(23) Iowa	82	UI 43-24
December 12, 2014	Iowa City	(14) Iowa State	90	Iowa	75	UI 43-25
December 10, 2015	Ames	(4) Iowa State	83	Iowa	82	UI 43-26

All-Time Record: Iowa leads 43-26, but Iowa State leads 15-11 since 1990.

Notes

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[2]

[3]

v t e Iowa Hawkeyes men's basketball
Venues	Close Hall (1901–1904) First Iowa Armory (1905–1922) Second Iowa Armory (1922–1926) Iowa Field House (1927–1983) Carver–Hawkeye Arena (1983–present)
Rivalries	Iowa "Big Four" Iowa State (Iowa Corn Cy-Hawk Series) Illinois
Culture & lore	History Herky the Hawk "Iowa Fight Song" First 5-on-5 college basketball game
People	Head coaches Statistical leaders
Seasons	1892–93 1893–95 1895–96 1896–97 1897–98 1898–1901 1901–02 1902–03 1903–04 1904–05 1905–06 1906–07 1907–08 1908–09 1909–10 1910–11 1911–12 1912–13 1913–14 1914–15 1915–16 1916–17 1917–18 1918–19 1919–20 1920–21 1921–22 1922–23 1923–24 1924–25 1925–26 1926–27 1927–28 1928–29 1929–30 1930–31 1931–32 1932–33 1933–34 1934–35 1935–36 1936–37 1937–38 1938–39 1939–40 1940–41 1941–42 1942–43 1943–44 1944–45 1945–46 1946–47 1947–48 1948–49 1949–50 1950–51 1951–52 1952–53 1953–54 1954–55 1955–56 1956–57 1957–58 1958–59 1959–60 1960–61 1961–62 1962–63 1963–64 1964–65 1965–66 1966–67 1967–68 1968–69 1969–70 1970–71 1971–72 1972–73 1973–74 1974–75 1975–76 1976–77 1977–78 1978–79 1979–80 1980–81 1981–82 1982–83 1983–84 1984–85 1985–86 1986–87 1987–88 1988–89 1989–90 1990–91 1991–92 1992–93 1993–94 1994–95 1995–96 1996–97 1997–98 1998–99 1999–2000 2000–01 2001–02 2002–03 2003–04 2004–05 2005–06 2006–07 2007–08 2008–09 2009–10 2010–11 2011–12 2012–13 2013–14 2014–15 2015–16 2016–17 2017–18 2018–19 2019–20 2020–21 2021–22 2022–23 2023–24
NCAA Final Four appearances in italics

v t e Iowa State Cyclones men's basketball
Venues	Margaret Hall Gymnasium (1907–1912) State Gymnasium (1913–1947) Iowa State Armory (1947–1971) Hilton Coliseum (1971–present)
Rivalries	Iowa "Big Four" Iowa (Iowa Corn Cy-Hawk Series)
Culture & lore	Cy the Cardinal "ISU Fights" Iowa State Pep Band ISU Holiday Classic
People	Head coaches Statistical leaders
Seasons	1907–08 1908–09 1909–10 1910–11 1911–12 1912–13 1913–14 1914–15 1915–16 1916–17 1917–18 1918–19 1919–20 1920–21 1921–22 1922–23 1923–24 1924–25 1925–26 1926–27 1927–28 1928–29 1929–30 1930–31 1931–32 1932–33 1933–34 1934–35 1935–36 1936–37 1937–38 1938–39 1939–40 1940–41 1941–42 1942–43 1943–44 1944–45 1945–46 1946–47 1947–48 1948–49 1949–50 1950–51 1951–52 1952–53 1953–54 1954–55 1955–56 1956–57 1957–58 1958–59 1959–60 1960–61 1961–62 1962–63 1963–64 1964–65 1965–66 1966–67 1967–68 1968–69 1969–70 1970–71 1971–72 1972–73 1973–74 1974–75 1975–76 1976–77 1977–78 1978–79 1979–80 1980–81 1981–82 1982–83 1983–84 1984–85 1985–86 1986–87 1987–88 1988–89 1989–90 1990–91 1991–92 1992–93 1993–94 1994–95 1995–96 1996–97 1997–98 1998–99 1999–2000 2000–01 2001–02 2002–03 2003–04 2004–05 2005–06 2006–07 2007–08 2008–09 2009–10 2010–11 2011–12 2012–13 2013–14 2014–15 2015–16 2016–17 2017–18 2018–19 2019–20 2020–21 2021–22 2022–23 2023–24
NCAA Final Four appearance in italics

Iowa–Iowa State rivalry

Football series

Men's basketball series

Notes

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