Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 9:40 finish (an estimate) · starting 7:00 AM Dec 5 · dark at the start until mi 0.5. Dark means the sun below civil twilight.
Climbs
2 climbs · 1,129 ft totalbiggest firstElevation gain, measured two ways
| Source | Gain | vs lidar |
|---|---|---|
| Course file (GPX) | 3,545ft | -11% |
| USGS lidar, 1 m | 3,978ft | reference |
They differ because a GPS file picks up noise on every wiggle and often takes its heights from a coarse terrain model, while lidar maps the ground itself to about a metre. We sampled this route every 98 ft against USGS 3DEP and counted each rise of 10 ft or more, on Oct 24, 2026. The planner still uses the course file.
Aid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| Start / finish / Panic Shelter 4 / AS 2 | 0.0 | 0.0 |
| A the only park entrance | 2.2 | 3.5 |
| A Sittons AS 1 (NO CREW) | 9.8 | 15.7 |
| A 189 AS 3 no crew (aid on out bound only) | 17.2 | 27.6 |
| A Ascalon AS 4 / 7 | 20.6 | 33.2 |
| A 5 points Crew access NO AID / Limited parking | 23.1 | 37.2 |
| A Water Drop (no crew) | 26.5 | 42.6 |
| A Durham AS 5/6 | 29.6 | 47.7 |
Badge colours match the markers on the map above — always confirm locations and cutoffs with the race organizer.
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Conditions typical race-day weather for Dec 5 at the start
Typical = the median of 2016–2025 for Dec 5 ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac the sky on race day
Next race day Sat, Dec 5, 2026 · 7:00 AM start
First and last light are civil twilight, the sun 6° below the horizon. The moon is lit as at midnight after the start; headlamp hours count a typical finish from the start while the sun is below civil twilight. Worked out for the start line.
Reviews what runners who have been there say
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About this course
Cloudland Canyon 50 Miler — 2026 covers 46.8 mi (75.4 km) with 3,545 ft of elevation gain through Georgia, United States. That is about 76 ft per mile of climbing, and 3,563 ft of descent. The course tops out at 2,041 ft and bottoms out at 853 ft. The surface is 86% trail, 13% paved and 1% gravel. There are 7 aid stations on course; the longest stretch between aid is 17.2 mi. The profile has 2 sustained climbs; the biggest is the climb from mi 10.0, +922 ft over 2.1 mi at 8.5% on average (steepest stretch 41%). Race day is December 5, 2026, starting at 7:00 AM; the sun rises at 7:36 AM and sets at 5:31 PM. Typical race-day weather at the start: a high of 50°F and a low of 35°F, with a 37% chance of a wet day. The interactive map above shows the full route with its elevation profile and aid stations, built from the course's GPS file.
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Course history
- Sep 3, 2026Added to the catalog
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