Sports teams at the school are called
Buffaloes. CU participates in the NCAA's
Division I (I-A for football) as a member of the Northern Division of the Big Twelve Conference. The school mascot is Ralphie the Buffalo and the school
colors are Silver and Gold, but are usually represented by Black and Gold. The fight song
is "Fight CU down the field."CU has won national championships in both men's and women's cross country, skiing, and football. Conference championships have
also been won in football and soccer.In football, CU enjoys major rivalries with Colorado State University and Nebraska. The annual CU-CSU football game,
dubbed the "Rocky Mountain Showdown," has been played in recent years in Denver at Mile High Stadium (and
subsequently INVESCO Field at Mile High).
Colorado and Nebraska traditionally finish their respective seasons in a nationally televised confrontation on the Friday
following Thanksgiving.