American TrailsFor those who build, maintain, use, and dream of trails.

 

 

 

American Trail Running Association

Colorado

 

https://trailrunner.com

The American Trail Running Association, ATRA, was formed in mid-1996 as a Colorado not for profit corporation to serve the mountain, ultra & trail (MUT) running community.

Diversity American Trails advances the development of diverse, high quality trails and greenways for the benefit of people and communities.
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