The Colorado Buffaloes football program represents the University of Colorado Boulder in college football at the NCAA Division I FBS level. The team is currently a member of the Pac-12 Conference, having previously been a charter member of the Big 12 Conference. Before joining the Big 12, they were members of the Big Eight Conference. The CU football team has played at Folsom Field since 1924. The Buffs all-time record is 681–491–36 (.583 winning percentage) through the finish of the 2014 season. Colorado won a National Championship in 1990. The football program is 23rd on the all-time win list and 30th in all-time winning percentage. The football team also has the distinction of being the all-time NCAA leader in 4th down conversions. They are one of two NCAA Division I teams to complete a