CLICK HERE TO REGISTER Overview of ATRA The American Trail Running Association was formed in 1996 as a not for profit corporation registered in the state of Colorado. To join ATRA, simply click on the “Event registration” link on the left and complete the registration process. Membership categories include individuals, clubs, races, and corporations. We welcome your comments and ideas.  Together we can increase the visibility of our sport and encourage others to experience the joy we all share when running on the trails. Individuals:  - $25 annual membership entitles you to our newsletter, Trail Times, and a one-year subscription to Running Times magazine. - $35 annual membership entitles you to our newsletter, Trail Times, a one-year subscription to Trail Runner AND Running Times magazine. Members also receive $2 off the subscription rate for Ultrarunning magazine (new subscribers). Clubs and Races: $50 annual membership. Your club and/or event will receive a welcome ad and be listed as a member in Trail Times. A link on our home page provided to your URL. Our website receives approximately 8,000 hits per day.  We will list your event in our trail running calendar in bold. In addition, receive 20% off ad rates (except Website advertising). Corporate Members: $100 annual membership. You will receive a welcome ad in Trail Times and be listed on the front page. In addition, a link on our home page provided to your URL. 20% off ad  rates (except Website advertising). Corporate Partners: Contact our offices at trlrunner@aol.com or call 719-573-4133. ATRA coordinates the fundraising and sponsorship program for the Teva U.S. Mountain Running Team and ATRA is a member of USATF, RRCA, the Federation for Sport at Altitude and Running USA.