Here are some links that may be helpful.
Colorado State Taekwondo Association – Olympic Style TKD Association for Colorado.
Colorado Karate Association – Another association focusing on Karate schools and tournaments.
ATA Region 109 – The local region for the American Taekwondo Association
Fight To Win – Colorado based MMA promotion company.
Martial Arts Drills and Techniques – wikidrills, like wikipedia but for martial arts.
Schools (Become a reporter to have your school added)
Korean Academy of Taekwondo – 3 time Colorado State TKD School of the Year. Locations in Aurora, Littleton, and Loveland.
Loveland Martial Arts – KAT Loveland Branch
Littleton Karate – KAT Littleton branch.