2022 - Denver, CO, hosted by the University of Denver and CU Denver
2021 - online
2019 - Lawrence, KS, hosted by the University of Kansas
2018 - Ames, IA, hosted by Iowa State University
2017 - Denver, CO, hosted by the University of Denver and CU Denver
2016 - Laramie, WY, hosted by the University of Wyoming
2015 - Ames, IA, hosted by Iowa State University
2014 - Denver, CO, hosted by the University of Denver and CU Denver