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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. Celebrating its 17th year, the marathon features challenging trails with an elevation gain of approximately 5,500 feet, offering breathtaking views of fall foliage. Participants can choose between a marathon and a 12-mile race, navigating through single track, rugged mountain bike, and smooth horse trails, while also passing a historic rock wall. The event culminates in a relaxed celebration by the lake, fostering camaraderie among runners. Discounts are available for current GUTS members. Visit the organization's website for the most recent information.

United States Georgia Chatsworth

Race information

Website Registration
26 mi
5500 m+
Marathon
12 mi
12-Miler
Visit the organization's website for the most recent information.
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