Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 12:40 finish (an estimate) · starting 7:00 AM Aug 1 · headlamp mi 57–the finish. Dark means the sun below civil twilight.
Climbs
2 climbs · 6,921 ft totalbiggest firstConditions typical race-day weather for Aug 1 at the start
Typical = the median of 2016–2025 for Aug 1 ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac 1 year of this race
Past editions
On race day it reached 81°F at the start, with a low of 69°.
| Year | Start °F | High point °F | Rain | Wind | Heat index |
|---|---|---|---|---|---|
| 2026 Aug 1 | 81°/69° | 74°/53° | 0.14in | 9mph | 83° |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (6,765 ft).
Reviews what runners who have been there say
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About this course
Under the Moon 100K — 2026 covers 58.9 mi (94.8 km) with 7,304 ft of elevation gain. That is about 124 ft per mile of climbing, and 4,762 ft of descent. The course tops out at 6,766 ft and bottoms out at 79 ft. The profile has 2 sustained climbs; the biggest is the climb from mi 0.2, +6,687 ft over 31.1 mi at 4.1% on average (steepest stretch 13%). Race day is August 1, 2026, starting at 7:00 AM; the sun rises at 5:57 AM and sets at 6:58 PM. Typical race-day weather at the start: a high of 80°F and a low of 70°F, with a 87% 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 13, 2026Added to the catalog
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