Jack Trice Stadium is a stadium, in Ames, Iowa, United States. It is primarily used for college football, and is the home field of the Iowa State Cyclones. It opened on September 20, 1975, with a 17-12 win over Air Force. It is the second-newest stadium in the Big 12 Conference behind only Milan Puskar Stadium of West Virginia, and is the sixth-largest by capacity in the conference. Including hillside seats in the corners of the stadium, the facility's official stated capacity is 56,800. The current record for single-game attendance, 56,800, was set on October 13, 2012, when the Cyclones lost to Kansas State by a score of 27-21. It has since been matched three times.