RunRace USA › Georgia › Mystery Mountain Marathon & 12-Miler
Mystery Mountain Marathon & 12-Miler
Chatsworth, Georgia · Sunday, October 18, 2026 · Marathon, 12 Miles
Official race page & registration ↗Mystery Mountain Marathon & 12-Miler takes place on Sunday, October 18, 2026 in Chatsworth, Georgia. The race offers 2 distances: Marathon, 12 Miles. It is run on trail. For anyone travelling in, Dalton is about 15 miles away and East Chattanooga is about 37 miles away.
It is one of 237 races on the Georgia calendar that October.
- Date
- Sunday, October 18, 2026
- Location
- Chatsworth, Georgia
- Distances
- Marathon, 12 Miles
- Surface
- Trail
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Chatsworth: check in Oct 17, out Oct 19.
Common questions
When is Mystery Mountain Marathon & 12-Miler?
Mystery Mountain Marathon & 12-Miler is scheduled for Sunday, October 18, 2026.
Where is Mystery Mountain Marathon & 12-Miler held?
Mystery Mountain Marathon & 12-Miler is held in Chatsworth, Georgia. It is about 15 miles from Dalton and 37 miles from East Chattanooga.
What distances does Mystery Mountain Marathon & 12-Miler offer?
The listed distances are Marathon, 12 Miles.
How do I register for Mystery Mountain Marathon & 12-Miler?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Oct 18AABB Foundation 5K Run/1-Mile Walk/Sleep-in for ResearchAtlanta, GA
- Oct 18Brookhaven International Festival 5K Walk/RunBrookhaven, GA
- Oct 18Spooky Sprint- Greater AtlantaDacula, GA
- Oct 18The Data Run 5KAthens, GA
- Oct 18The Fast and the Furriest 5KAlpharetta, GA
See every race on the Georgia calendar, Georgia Marathons, or use the Race Finder for maps and filters.