Iowa–Iowa State rivalry

Iowa–Iowa State men's basketball rivalry
	Iowa Hawkeyes Iowa State Cyclones
First meeting	February 5, 1909; Iowa 30, Iowa State 27
Latest meeting	December 12, 2024; Iowa State 89, Iowa 80
Next meeting	2025
Statistics
Meetings total	78
All-time series	Iowa leads 48–30
Largest victory	Iowa, 105-77 (2020)
Longest win streak	Iowa, 10 (1909–1916)
Current win streak	Iowa State, 2 (2023—present)

Iowa–Iowa State rivalry
	Iowa Hawkeyes Iowa State Cyclones
Sport	Football, basketball, wrestling

100km
62miles

Iowa

Iowa State

Locations of Iowa State and Iowa

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. Iowa State University, located in Ames, had a fall 2015 enrollment of 36,001 which is the largest in school history.^[1] As of the fall 2015 semester, the University of Iowa, located in Iowa City, had 32,150 students 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 leads the all-time series 48-30 as of the 2023-24 season.

Iowa victories	Iowa State victories

No.	Date	Location	Winner	Score
1	February 5, 1909	Ames, IA	Iowa	30–27
2	February 26, 1910	Iowa City, Iowa	Iowa	24–12
3	February 8, 1913	Iowa City	Iowa	27–15
4	February 25, 1913	Ames	Iowa	21–13
5	January 31, 1914	Iowa City	Iowa	22–15
6	February 24, 1914	Ames	Iowa	21–16
7	February 16, 1915	Iowa City	Iowa	27–12
8	March 4, 1915	Ames	Iowa	23–18
9	February 19, 1916	Iowa City	Iowa	26–9
10	March 4, 1916	Ames	Iowa	22–14
11	February 16, 1917	Ames	Iowa State	24–12
12	February 27, 1917	Iowa City	Iowa	15–13
13	February 9, 1918	Iowa City	Iowa	24–9
14	March 1, 1918	Ames	Iowa	22–20
15	February 15, 1919	Iowa City	Iowa	27–17
16	March 1, 1919	Ames	Iowa	29–20
17	January 23, 1920	Iowa City	Iowa	27–15
18	March 6, 1920	Ames	Iowa	26–19
19	February 15, 1921	Iowa City	Iowa State	20–16
20	March 11, 1921	Ames	Iowa State	26–18
21	December 11, 1933	Iowa City	Iowa	30–12
22	January 1, 1935	Ames	Iowa State	41–33
23	December 23, 1970	Iowa City	Iowa	87–68
24	December 18, 1971	Ames	Iowa State	97–94
25	January 2, 1973	Iowa City	Iowa	66–57
26	January 7, 1974	Ames	Iowa State	94–77
27	December 12, 1974	Iowa City	Iowa	77–66
28	December 12, 1975	Ames	Iowa	91–77
29	December 18, 1976	Iowa City	Iowa	85–64
30	November 26, 1977	Ames	Iowa State	79–78
31	December 11, 1978	Iowa City	Iowa	67–66
32	December 15, 1979	Ames	#17 Iowa	67–64
33	December 20, 1980	Iowa City	#16 Iowa	85–59
34	December 8, 1981	Ames	#6 Iowa	79–68
35	January 15, 1983	Iowa City	#12 Iowa	73–56
36	January 14, 1984	Ames	Iowa State	76–72^2OT
37	December 4, 1984	Iowa City	Iowa State	54–50
38	December 10, 1985	Ames	Iowa State	74–61
39	December 20, 1986	Iowa City	#3 Iowa	89–64
40	December 19, 1987	Ames	#20 Iowa State	102–100^OT

No.	Date	Location	Winner	Score
41	December 10, 1988	Iowa City	#5 Iowa	91–71
42	December 7, 1989	Ames	Iowa	89–87
43	December 8, 1990	Iowa City	Iowa	75–73
44	December 14, 1991	Ames	Iowa State	98–84
45	December 12, 1992	Iowa City	#8 Iowa	78–51
46	December 11, 1993	Ames	Iowa State	86–79
47	December 10, 1994	Iowa City	Iowa State	76–63
48	December 9, 1995	Ames	#12 Iowa	56–50
49	December 14, 1996	Iowa City	#6 Iowa State	81–74
50	December 13, 1997	Ames	#10 Iowa	60–59
51	December 12, 1998	Iowa City	Iowa	74–54
52	December 11, 1999	Ames	Iowa State	79–66
53	December 9, 2000	Iowa City	Iowa	80–68
54	December 8, 2001	Ames	#12 Iowa	78–53
55	December 13, 2002	Iowa City	Iowa State	73–69
56	March 21, 2003	Ames	Iowa	54–53
57	January 21, 2004	Ames	Iowa State	84–76
58	December 10, 2004	Iowa City	#17 Iowa	70–63
59	December 9, 2005	Ames	Iowa State	72–60
60	December 8, 2006	Iowa City	Iowa	77–59
61	December 8, 2007	Ames	Iowa State	56–47
62	December 12, 2008	Iowa City	Iowa	73–57
63	December 11, 2009	Ames	Iowa State	81–71
64	December 10, 2010	Iowa City	Iowa State	75–72
65	December 9, 2011	Ames	Iowa State	86–76
66	December 7, 2012	Iowa City	Iowa	80–71
67	December 13, 2013	Ames	#17 Iowa State	85–82
68	December 12, 2014	Iowa City	#14 Iowa State	90–75
69	December 10, 2015	Ames	#4 Iowa State	83–82
70	December 8, 2016	Iowa City	Iowa	78–64
71	December 7, 2017	Ames	Iowa State	84–78
72	December 6, 2018	Iowa City	#18 Iowa	98–84
73	December 12, 2019	Ames	Iowa	84–68
74	December 11, 2020	Iowa City	#3 Iowa	105–77
75	December 9, 2021	Ames	#17 Iowa State	73–53
76	December 8, 2022	Iowa City	Iowa	75–56
77	December 7, 2023	Ames	Iowa State	90–65
78	December 12, 2024	Iowa City	#3 Iowa State	89–80
Series: Iowa leads 48–30

Wrestling

Date	Site	Winning team		Losing team		Series
2004	Iowa City	Iowa State	19	Iowa	16	51-16-2 Iowa
2005	Ames	Iowa	20	Iowa State	15	52-16-2 Iowa
2006	Iowa City	Iowa	24	Iowa State	6	53-16-2 Iowa
2007	Ames	Iowa	20	Iowa State	13	54-16-2 Iowa
2008	Iowa City	Iowa	20	Iowa State	15	55-16-2 Iowa
2009	Ames	Iowa	19	Iowa State	12	56-16-2 Iowa
2010	Iowa City	Iowa	22	Iowa State	13	57-16-2 Iowa
2011	Ames	Iowa	27	Iowa State	9	58-16-2 Iowa
2012	Iowa City	Iowa	32	Iowa State	3	59-16-2 Iowa
2013	Ames	Iowa	23	Iowa State	9	60-16-2 Iowa
2014	Iowa City	Iowa	28	Iowa State	8	61-16-2 Iowa
2015	Ames	Iowa	33	Iowa State	6	62-16-2 Iowa
2016	Iowa City	Iowa	26	Iowa State	9	63-16-2 Iowa
2017	Ames	Iowa	35	Iowa State	6	64-16-2 Iowa
2018	Iowa City	Iowa	19	Iowa State	18	65-16-2 Iowa
2019	Ames	Iowa	29	Iowa State	6	66-16-2 Iowa
2021	Ames	Iowa	23	Iowa State	11	67-16-2 Iowa
2022	Iowa City	Iowa	18	Iowa State	15	68-16-2 Iowa
2023	Ames	Iowa	18	Iowa State	14	69-16-2 Iowa

Women's basketball

Iowa victories	Iowa State victories

No.	Date	Location	Winner	Score
1	December 5, 1975	Ames, IA	Iowa State	92–63
2	February 6, 1977	Ames, IA	Iowa State	71–58
3	February 18, 1977	Iowa City, IA	Iowa State	82–63
4	December 3, 1977	Iowa City, IA	Iowa State	74–71^OT
5	February 23, 1978	Des Moines, IA	Iowa	77–60
6	February 25, 1978	Des Moines, IA	Iowa State	87–82
7	December 4, 1978	Ames, IA	Iowa	89–70
8	February 14, 1979	Iowa City, IA	Iowa	81–70
9	February 22, 1979	Des Moines, IA	Iowa	68–67
10	December 15, 1979	Ames, IA	Iowa State	80–69
11	January 29, 1980	Iowa City, IA	Iowa	66–50
12	December 2, 1980	Iowa City, IA	Iowa	67–66
13	January 21, 1981	Ames, IA	Iowa	66–62
14	December 2, 1981	Ames, IA	Iowa State	82–59
15	January 21, 1982	Iowa City, IA	Iowa	62–44
16	March 11, 1982	Warrensburg, MO	Iowa State	64–52
17	November 23, 1982	Iowa City, IA	Iowa	64–59
18	December 5, 1983	Ames, IA	Iowa	86–75^OT
19	December 15, 1984	Iowa City, IA	Iowa	81–41
20	December 4, 1985	Ames, IA	#15 Iowa	63–57
21	December 10, 1986	Iowa City, IA	#17 Iowa	70–51
22	December 1, 1987	Ames, IA	#6 Iowa	93–49
23	December 7, 1988	Iowa City, IA	#11 Iowa	79–46
24	December 17, 1989	Ames, IA	#5 Iowa	75–55
25	November 27, 1991	Iowa City, IA	#11 Iowa	70–58
26	December 1, 1996	Iowa City, IA	#10 Iowa	64–53

No.	Date	Location	Winner	Score
27	December 13, 1997	Ames, IA	Iowa State	74–57
28	November 17, 1998	Iowa City, IA	#21 Iowa State	81–65
29	December 11, 1999	Ames, IA	#9 Iowa State	79–69
30	November 22, 2000	Iowa City, IA	#8 Iowa State	86–76
31	December 12, 2001	Ames, IA	#5 Iowa State	82–64
32	December 4, 2002	Iowa City, IA	Iowa	64–39
33	December 3, 2003	Ames, IA	Iowa State	101–94
34	December 1, 2004	Iowa City, IA	Iowa	89–80
35	December 8, 2005	Ames, IA	Iowa State	77–61
36	November 30, 2006	Iowa City, IA	Iowa State	80–74
37	December 7, 2011	Ames, IA	Iowa State	62–54
38	December 6, 2012	Iowa City, IA	Iowa	50–42
39	December 12, 2013	Ames, IA	#17 Iowa State	83–70
40	December 11, 2014	Iowa City, IA	#24 Iowa	76–67
41	December 11, 2015	Ames, IA	Iowa State	69–66
42	December 7, 2016	Iowa City, IA	Iowa	88–76
43	December 6, 2017	Ames, IA	Iowa	61–55
44	December 5, 2018	Iowa City, IA	#16 Iowa	73–70
45	December 11, 2019	Ames, IA	Iowa	75–69
46	December 9, 2020	Iowa City, IA	Iowa	82–80
47	December 8, 2021	Ames, IA	#15 Iowa State	77–70
48	December 7, 2022	Iowa City, IA	#16 Iowa	70–57
49	December 6, 2023	Ames, IA	#4 Iowa	67–58
50	December 11, 2024	Iowa City, IA	#2 Iowa	75–69
Series: Iowa leads 30–20

Notes

^ "Iowa State University enrollment is 36,001". Iowa State. Retrieved 1 October 2017.
^ "University of Iowa announces record-breaking first-year class". University of Iowa. Retrieved 1 October 2017.
^ "Hy-Vee Cy-Hawk Series". Hy-Vee Cy-Hawk Series. Retrieved 2008-03-08.

[1] "Iowa State University enrollment is 36,001". Iowa State. Retrieved 1 October 2017.

[2] "University of Iowa announces record-breaking first-year class". University of Iowa. Retrieved 1 October 2017.

[Hy-Vee_Cy-Hawk_Series_results-3] "Hy-Vee Cy-Hawk Series". Hy-Vee Cy-Hawk Series. Retrieved 2008-03-08.

[1]

[2]

[3]

v t e All-sports or multi-sport rivalries in NCAA Division I
Trophy/point system competitions	Arizona–Arizona State (Territorial Cup Series) Boston University–Holy Cross (Turnpike Trophy) Clemson–South Carolina (Palmetto Series) George Mason–George Washington (Revolutionary Rivalry) Georgia Southern–Georgia State (Modern Day Hate) Indiana–Purdue (Indiana National Guard Governor's Cup) Iowa–Iowa State (Iowa Corn Cy-Hawk Series) James Madison–Old Dominion (Royal Rivalry) New Mexico–New Mexico State (Rio Grande Rivalry) Oklahoma–Oklahoma State (Bedlam Series) Oregon–Oregon State (Civil War Series) Sacramento State–UC Davis (Causeway Classic) South Florida–UCF (War on I-4) Texas State–UTSA (I-35 Rivalry) UCLA–USC (SoCal BMW Crosstown Cup) Virginia–Virginia Tech (Commonwealth Clash)
Defunct trophy/ point competitions	Duke–North Carolina (Carlyle Cup) Kansas–Missouri (Border Showdown Series) Texas–Texas A&M (Lone Star Showdown)
Overall rivalries	BYU–Utah Canisius–Niagara (Battle of the Bridge) Cincinnati–Louisville Cincinnati–Memphis Cincinnati–Xavier Colorado State–Wyoming (Border War) Dartmouth–New Hampshire Duke–North Carolina Duke–North Carolina–NC State–Wake Forest (Tobacco Road) Florida–Kentucky Fordham–Manhattan (Battle of the Bronx) Fordham–St. John's George Mason–VCU Hofstra–Stony Brook (Battle of Long Island) Houston–Rice Houston–SMU Illinois–Indiana Indiana–Kentucky Indiana–Purdue Iowa–Iowa State Kansas–Kansas State (Sunflower Showdown) Kansas–Missouri (Border War) Kentucky–Louisville Kentucky–Tennessee Lamar–McNeese (Battle of the Border) Louisville–Memphis North Carolina–NC State North Carolina–Wake Forest North Carolina A&T–North Carolina Central North Carolina A&T–Winston-Salem State NC State–Wake Forest Norfolk State–Old Dominion North Carolina A&T–UNC Greensboro (Battle of Market Street) Old Dominion–William & Mary Oregon–Oregon State Princeton–Rutgers Tennessee–Vanderbilt UCLA–USC UConn–UMass

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	"Iowa Fight Song" Herky the Hawk Gambling scandal First 5-on-5 college basketball game
People	Head coaches NBA players Statistical leaders
Seasons	List of 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 2024–25
NCAA Final Four appearances in italics

v t e Iowa Hawkeyes women's basketball
Venues	Iowa Field House (1974–1983) Carver–Hawkeye Arena (1983–present)
Rivalries	Iowa State (Iowa Corn Cy-Hawk Series)
Culture & lore	Crossover at Kinnick Herky the Hawk "Iowa Fight Song" Full Court Press The Law Firm Caitlin Clark effect
People	Head coaches Statistical leaders
Seasons	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 2024–25
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 NBA players Statistical leaders
Seasons	List of 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 2024–25
NCAA Final Four appearance in italics

v t e Iowa State Cyclones women's basketball
Venues	Hilton Coliseum (1973–present)
Rivalries	Iowa (Iowa Corn Cy-Hawk Series)
Culture & lore	Cy the Cardinal "ISU Fights" Iowa State Pep Band
People	Head coaches
Seasons	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 2024–25