| Wide: | yes |
| Iowa–Iowa State rivalry | |
| Team1logo: | Iowa_Hawkeyes_wordmark.svg |
| Team2logo: | Iowa State Cyclones logo.svg |
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]
See main article: Iowa–Iowa State football rivalry.
| Wide: | yes |
| Iowa–Iowa State men's basketball rivalry | |
| Team1logo: | Iowa Hawkeyes wordmark.svg |
| Team2logo: | Iowa State Cyclones logo.svg |
| Firstmeeting: | February 5, 1909 Iowa 30, Iowa State 27 |
| Mostrecent: | December 7, 2023 Iowa State 90, Iowa 65 |
| Nextmeeting: | 2024 |
| Total: | 77 |
| Series: | Iowa leads 48–29 |
| Largestvictory: | Iowa, 105-77 (2020) |
| Longeststreak: | Iowa, 10 (1909–1916) |
| Currentstreak: | Iowa State, 1 (2023—present) |
Iowa leads the all-time series 48-29 as of the 2023-24 season.
| 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 | |