Formed in 1979 to encourage and promote running and running-related activities for people of all ages and abilities. Includes newsletter, race schedule and results, entry forms, and membership information.

Denver club formed in 1978 to promote recreational and competitive running for women of all ages. Includes information about club activities, contacts, training runs, and membership.

Running club located in Southwestern Colorado. Site includes a calendar of area events, results, and club membership information.

Providing fun, challenging, and varied opportunities for the running community in northern Colorado. Site includes general club information and race results.

Grand Junction. Site includes race schedule and results, club newsletter, and information on club membership.

Colorado Springs. Site includes race calendar and results; club news; information on club membership, activities, and events; and a guide to training sites in the area.

A Denver club; sponsors the Trophy series of monthly races whose aim is for all participants to finish together.

Pueblo club promoting fitness throughout southeast Colorado. Site includes maps to training areas, membership applications, news, contacts, training run info, and Pueblo High School athletics news.