Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 14:40 finish (an estimate) · starting 7:00 AM Aug 29 · headlamp mi 46–the finish. Dark means the sun below civil twilight.
Climbs
12 climbs · 21,650 ft totalbiggest firstConditions typical race-day weather for Aug 29 at the start
Typical = the median of 2016–2025 for Aug 29 ±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 75°F at the start, with a low of 54°.
| Year | Start °F | High point °F | Rain | Wind |
|---|---|---|---|---|
| 2026 Aug 29 | 75°/54° | 56°/40° | 0.11in | 9mph |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (12,182 ft).
Reviews what runners who have been there say
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About this course
Ouray 50 Mile Endurance Run 50 Miler — 2026 covers 52.5 mi (84.4 km) with 21,736 ft of elevation gain through Colorado, United States. That is about 414 ft per mile of climbing, and 21,736 ft of descent. The course tops out at 12,182 ft and bottoms out at 7,667 ft. The surface is 81% trail and 19% gravel. The profile has 12 sustained climbs; the biggest is the climb from mi 41.7, +4,491 ft over 5.3 mi at 16.0% on average (steepest stretch 39%). Race day is August 29, 2026, starting at 7:00 AM; the sun rises at 6:39 AM and sets at 7:46 PM. Typical race-day weather at the start: a high of 74°F and a low of 51°F, with a 33% 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
- Jul 29, 2026Added to the catalog
Races like this one close in distance, climbing, terrain, altitude, weather and season
- Kaçkar by UTMB KAÇKAR 100K — 2027Sep · 50 mi · 396 ft/miSame distance · High altitude · Similar climbing
- Telluride Mountain Run — 2026Aug · 63 mi · 327 ft/mi · COHigh altitude · Same month · Similar weather
- Matterhorn Ultraks Sky 49K — 2027Aug · 31 mi · 394 ft/miHigh altitude · Same month · Similar climbing
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