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 near Chatsworth, Georgia. The race offers two distances: a challenging marathon with approximately 5,500 feet of elevation gain and a 12-mile trail run. Participants traverse rugged single-track, mountain bike, and horse trails, enjoying stunning panoramic views of fall foliage and the historic rock wall atop Fort Mountain.

The course is known for its technical terrain and natural beauty. After the race, runners gather for a relaxed celebration by the lake. The event emphasizes camaraderie and scenic mountain running in a picturesque setting. Visit the organization's website for the most recent information.

Race information

42 km
1676 m+
Marathon
19 km
12-Miler
Visit the organization's website for the most recent information.
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