American Trail Running Association

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

 

 

 

American Trail Running Association

PO Box 9454
Colorado Springs, Colorado 80932

https://trailrunner.com

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Resources and trainings by the staff of American Trail Running Association


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1,865 views • posted 05/30/2019