Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 7:40 finish (an estimate) · starting 7:00 AM Sep 4. Dark means the sun below civil twilight.
Climbs
6 climbs · 8,035 ft totalbiggest firstAid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| A 03 - Sunrise | 16.2 | 26.1 |
| A 02 - Juniper Ridge | 23.6 | 38.1 |
| 01 - Cispus Learning Center (START/FINISH) | 32.4 | 52.2 |
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 Sep 4 at the start
Typical = the median of 2016–2025 for Sep 4 ±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 66°F at the start, with a low of 42°.
| Year | Start °F | High point °F | Rain | Wind |
|---|---|---|---|---|
| 2026 Sep 4 | 66°/42° | 50°/25° | 0.30in | 5mph |
Next race day Fri, Sep 3, 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.
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (5,732 ft).
Reviews what runners who have been there say
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About this course
Dark Divide Trail Races 50K — 2026 covers 32.4 mi (52.2 km) with 9,131 ft of elevation gain through Washington, United States. That is about 282 ft per mile of climbing, and 9,131 ft of descent. The course tops out at 5,732 ft and bottoms out at 1,332 ft. The surface is 61% trail, 33% gravel and 6% paved. There are 2 aid stations on course; the longest stretch between aid is 16.2 mi. The profile has 6 sustained climbs; the biggest is the climb from mi 0.0, +3,225 ft over 6.8 mi at 9.0% on average (steepest stretch 35%). Race day is September 4, 2026, starting at 7:00 AM; the sun rises at 6:32 AM and sets at 7:43 PM. Typical race-day weather at the start: a high of 79°F and a low of 55°F, with a 17% 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
Races like this one close in distance, climbing, terrain, altitude, weather and season
- Olympic Mountains Trail Races 50K Ruck — 2026Aug · 32 mi · 268 ft/mi · WASame distance · Mostly trail · Similar climbing
- Backcountry Rise — 2026Aug · 30 mi · 260 ft/mi · WASame distance · Same state · Similar climbing
- Paraty by UTMB 55K — 2026Sep · 33 mi · 316 ft/miSame distance · Similar weather · Same month
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