Guadalajara Soccer Club was founded in 1997 and since then has competed at the state’s highest amateur level. The storied club has won various Alianza de Futbol Hispano events, one of the nation’s most prestigious Hispanic tournaments, with their last one coming in 2013. The following year they would go on to have one of their most successful years in club history, winning the United States Adult Soccer Association (USASA) Region IV and reaching the 2014 USASA Amateur Cup Final, falling just short to NY Greek Americans (Region I) by a score of 4-2.
In 2018, Guadalajara SC competed in the Colorado Premier League reaching the 2018 Spring Final and was a Fall season semi-finalists. That same year, they reached the semifinals at the 2018 Colorado Soccer Adult State Cup falling to eventual Champions Azteca FC 5280, but would go on to win the 47th Annual Fred Ammer Vail Invitational Tournament defeating Colorado Rovers and the inaugural Greeley Cup. In addition, they reached the Final at the 2018 Guadalajara Cup - Santa Fe,NM; but came up short against Amarillo FC (TX).
In the inaugural Colorado Super League season, El Rebaño Sagrado finished the regular season in second place with 16 points and reached the semifinals, where they lost to Colorado Rush in penalty-kicks after a 2-2 draw.
Guadalajara SC is one of the founding members of Colorado Super League.