The 2026 event has concluded.

2026 Mystery Mountain Marathon Results

Mystery Mountain Marathon

Chatsworth, GA, USA · October 18, 2026

39°·68° high·Light·Dry

Race Day Weather

39°at start

69° high

Light

Dry

Cool start, warming finish

Runners will face a temperature rising from 40°F at the start to 69°F by the end. With light winds from the NNE at 6 mph, conditions will remain calm. Given the humidity at 61%, pacing strategies should adjust as temperatures rise, encouraging runners to stay hydrated and consider starting conservatively.

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Pre-raceRace windowPost-race

Pace Calculator

Distance: 26.2mi

Target Finish Time

0:00:00

HH:MM:SS

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Race Info

Marathon and 12-mile trail races traversing difficult, sometimes technical but stunningly beautiful trails, featuring panoramic views of fall foliage displayed on the surrounding mountains. Climbing and descending for about 5,500 feet of elevation gain, runners will enjoy single track, rugged mountain bike, and smooth horse trails while running over and around Fort Mountain, passing the mysterious rock wall built at the top of the mountain over 1,000 years ago. Source

Website

FAQ

When is the 2026 Mystery Mountain Marathon?

The 2026 Mystery Mountain Marathon will be held on Sunday October 18, 2026.

Is the Mystery Mountain Marathon a Boston Marathon Qualifier?

No, the Mystery Mountain Marathon is NOT a Boston Marathon qualifier.

What is the time limit for the Mystery Mountain Marathon?

The time limit for the Mystery Mountain Marathon is 8 hours.

What will the weather be like for the 2026 Mystery Mountain Marathon?

The forecast calls for a high of 69°F and a low of 39°F with a 0% chance of rain.

What is the elevation profile of the Mystery Mountain Marathon?

The Mystery Mountain Marathon has 5500ft of total elevation gain. View the interactive course map above for a detailed elevation profile.

Historical Weather

Based on 18 years of data

Avg Temp

75°F

L:51° H:75°

RunScore

Conditions

Rain Freq

1 of 18 yrs

Wind6mph

Dew50°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Mystery Mountain Marathon Clear conditions throughout the day. 2026	42°/67°	-	36°
2025 Mystery Mountain Marathon Clear conditions throughout the day. 2025	51°/78°	-	50°
2024 Mystery Mountain Marathon Clear conditions throughout the day. 2024	51°/82°	-	56°
2023 Mystery Mountain Marathon Clear conditions throughout the day. 2023	39°/67°	-	37°
2022 Mystery Mountain Marathon Partly cloudy throughout the day. 2022	42°/68°	-	40°
2021 Mystery Mountain Marathon Clear conditions throughout the day. 2021	63°/81°	-	65°
2019 Mystery Mountain Marathon Partly cloudy throughout the day. 2019	54°/70°	Light	47°
2018 Mystery Mountain Marathon Partly cloudy throughout the day. 2018	57°/77°	-	57°
2017 Mystery Mountain Marathon Partly cloudy throughout the day. 2017	62°/85°	-	65°
2016 Mystery Mountain Marathon Clear conditions throughout the day. 2016	53°/74°	-	39°
2015 Mystery Mountain Marathon Partly cloudy throughout the day. 2015	58°/72°	-	57°
2014 Mystery Mountain Marathon Partly cloudy throughout the day with rain. 2014	63°/76°	-	67°
2013 Mystery Mountain Marathon Clear conditions throughout the day. 2013	52°/80°	-	58°
2012 Mystery Mountain Marathon Partly cloudy throughout the day. 2012	60°/74°	-	59°
2011 Mystery Mountain Marathon Partly cloudy throughout the day. 2011	55°/72°	-	53°
2010 Mystery Mountain Marathon Clear conditions throughout the day. 2010	47°/87°	-	46°
2009 Mystery Mountain Marathon Clear conditions throughout the day. 2009	38°/70°	-	40°
2008 Mystery Mountain Marathon Clear conditions throughout the day. 2008	33°/72°	-	41°

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