Mystery Mountain Marathon & 12-Miler

Chatsworth, United States • 12 Oct 2025

The Mystery Mountain Marathon & 12-Miler is an annual trail running event held at Fort Mountain State Park in Chatsworth, GA. Participants can choose between a challenging marathon or a 12-mile race, both featuring stunning views and rugged terrain with significant elevation gain. The marathon includes approximately 5,500 feet of elevation change, taking runners through diverse trails, including single track and mountain bike paths. The event celebrates camaraderie with a post-race gathering by the lake. Registration opens on December 1, 2024, with discounts available for current GUTS members. Visit the organization's website for the most recent information.

Race information

26 mi
Marathon
12 mi
12 Miler
Visit the organization's website for the most recent information.
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