Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 4:10 finish (an estimate) · starting 7:00 AM May 22. Dark means the sun below civil twilight.
Climbs
5 climbs · 2,178 ft totalbiggest firstElevation gain, measured two ways
| Source | Gain | vs lidar |
|---|---|---|
| Course file (GPX) | 3,625ft | +16% |
| USGS lidar, 1 m | 3,117ft | 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 30, 2026. The planner still uses the course file.
Conditions typical race-day weather for May 22 at the start
Typical = the median of 2016–2025 for May 22 ±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, May 22, 2027 · 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
Run for Amma 30K — 2027 covers 19.1 mi (30.7 km) with 3,625 ft of elevation gain. That is about 190 ft per mile of climbing, and 3,629 ft of descent. The course tops out at 2,680 ft and bottoms out at 1,299 ft. The profile has 5 sustained climbs; the biggest is the climb from mi 3.6, +1,017 ft over 2.0 mi at 9.9% on average (steepest stretch 19%). Race day is May 22, 2027, starting at 7:00 AM; the sun rises at 5:56 AM and sets at 8:17 PM. Typical race-day weather at the start: a high of 62°F and a low of 43°F, with a 7% 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
- Oct 29, 2026Added to the catalog
Races like this one close in distance, climbing, terrain, altitude, weather and season
- Gorge Waterfalls 30K — 2027Apr · 18 mi · 183 ft/mi · ORSame distance · Similar climbing · Similar weather
- Dirty Turtle 25/50k — 2026May · 16 mi · 204 ft/miSimilar weather · Similar climbing · Same month
- Napa Wilderness Trail Runs 30k — 2027May · 18 mi · 207 ft/miSame distance · Same month · Similar climbing
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