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American UltraRunning Association

The American Ultrarunning Association (AUA) is incorporated as a non-profit organization under U.S. law.

AUA is the duly-authorized USA member organization of the International Association of Ultrarunners (IAU). As such, AUA is responsible for representing American ultrarunners and ultrarunning issues to the IAU. In turn, AUA is responsible for communicating information from and about the IAU and its programs to the American ultrarunning community.