Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Climbs
biggest firstElevation gain, measured two ways
| Source | Gain | vs lidar |
|---|---|---|
| Course file (GPX) | 896ft | +92% |
| USGS lidar, 1 m | 468ft | 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 23, 2026. The planner still uses the course file.
Race almanac the sky on race day
Next race day Sat, Dec 12, 2026
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.
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About this course
Helen Holiday 10k covers 4.9 mi (7.9 km) with 896 ft of elevation gain through Georgia, United States. That is about 183 ft per mile of climbing, and 890 ft of descent. The course tops out at 1,745 ft and bottoms out at 1,543 ft. The surface is 76% trail and 24% paved. 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
- Jul 22, 2026Added to the catalog
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