Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 24:15 finish (an estimate) · starting 7:00 AM Aug 8 · headlamp mi 61–100. Dark means the sun below civil twilight.
Climbs
11 climbs · 17,369 ft totalbiggest firstElevation gain, measured two ways
| Source | Gain | vs lidar |
|---|---|---|
| Course file (GPX) | 17,664ft | -17% |
| USGS lidar, 1 m | 21,260ft | 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.
Aid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| AS 00: Start - Middle Piney Lake | 0.0 | 0.0 |
| Bathrooms (Start) | 0.0 | 0.0 |
| A AS 01: Wyoming Peak | 10.7 | 17.2 |
| A AS 02: Box Canyon | 17.6 | 28.4 |
| A Aid station | 22.3 | 35.9 |
| A Gas (Marbleton) | 32.4 | 52.1 |
| A AS 03: Roaring Fork Lakes | 32.8 | 52.9 |
| A AS 04: Menace Falls | 44.7 | 72.0 |
| A AS 05: McDougal Gap | 55.1 | 88.7 |
| A Bathroom (McDougal Gap) | 55.1 | 88.7 |
| A Gas (Daniel) | 56.5 | 91.0 |
| A AS 06: Blind Bull | 65.4 | 105.2 |
| A Gas (Hoback) | 71.2 | 114.6 |
| A AS 07: Deadman | 76.8 | 123.6 |
| A AS 08: Greys River | 78.4 | 126.2 |
| A AS 09: Grizzly Basin | 84.4 | 135.8 |
| A Gas (Alpine) | 86.7 | 139.5 |
| A AS 10: Strawberry Creek | 96.1 | 154.6 |
| Finish | 105.8 | 170.2 |
| AS 11: Finish - Box Y Ranch | 105.8 | 170.2 |
| Bathrooms (Finish) | 105.8 | 170.2 |
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 Aug 8 at the start
Typical = the median of 2016–2025 for Aug 8 ±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 60°F at the start, with a low of 40°.
| Year | Start °F | High point °F | Rain | Wind |
|---|---|---|---|---|
| 2025 Aug 8 | 60°/40° | 51°/33° | dry | 15mph |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (11,158 ft).
Reviews what runners who have been there say
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About this course
Wyoming Range 100-Mile Endurance Run — 2025 covers 105.8 mi (170.2 km) with 17,664 ft of elevation gain. That is about 167 ft per mile of climbing, and 19,885 ft of descent. The course tops out at 11,158 ft and bottoms out at 6,316 ft. There are 16 aid stations on course; the longest stretch between aid is 11.9 mi. The profile has 11 sustained climbs; the biggest is the climb to Aid station, +2,963 ft over 5.5 mi at 10.1% on average (steepest stretch 21%). Race day is August 8, 2025, starting at 7:00 AM; the sun rises at 6:23 AM and sets at 8:35 PM. Typical race-day weather at the start: a high of 70°F and a low of 43°F, with a 31% 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
- Wyoming Range 100-Mile Endurance Run — 2026Aug · 106 mi · 167 ft/mi · WYSame distance · Similar climbing · Similar weather
- Wyoming Range 100-Mile Endurance Run 100 Miler — 2027Aug · 106 mi · 166 ft/miSame distance · Similar climbing · Similar weather
- Leadville Trail 100 Run — 2026Aug · 100 mi · 151 ft/mi · COSame distance · High altitude · Similar weather
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