Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Climbs
15 climbs · 18,469 ft totalbiggest firstAid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| Start/Finish | 0.0 | 0.0 |
| A Skyline Comms Station | 14.6 | 23.5 |
| A Antero AS | 16.8 | 27.0 |
| A Baldwin (Comms only) | 20.7 | 33.3 |
| A Cottonwood AS | 31.3 | 50.4 |
| A St. Elmo AS | 37.7 | 60.7 |
| A Tin Cup AS | 41.4 | 66.7 |
| A Hancock AS | 49.3 | 79.3 |
| A Lost Wonder Hut AS | 55.6 | 89.5 |
| A Purgatory AS | 63.9 | 102.8 |
| A Monarch Pass AS | 67.7 | 109.0 |
| A Fooses AS | 74.5 | 119.9 |
| A Shavano AS | 81.0 | 130.3 |
| A Blanks AS | 82.9 | 133.4 |
| A Raspberry AS | 92.1 | 148.2 |
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Race almanac 1 year of this race
Past editions
On race day it reached 77°F at the start, with a low of 49°.
| Year | Start °F | High point °F | Rain | Wind |
|---|---|---|---|---|
| 2026 Jul 17 | 77°/49° | 56°/39° | 0.04in | 9mph |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (13,074 ft).
Reviews what runners who have been there say
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About this course
High Lonesome 100 100 Mile covers 99.3 mi (159.9 km) with 21,898 ft of elevation gain through Colorado, United States. That is about 220 ft per mile of climbing, and 21,892 ft of descent. The course tops out at 13,104 ft and bottoms out at 8,205 ft. The surface is 65% trail, 30% gravel and 5% paved. There are 14 aid stations on course; the longest stretch between aid is 14.6 mi. The profile has 15 sustained climbs; the biggest is the climb to Skyline Comms Station, +4,158 ft over 8.8 mi at 8.9% on average (steepest stretch 20%). 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
- Jun 20, 2026Added to the catalog
Races like this one close in distance, climbing, terrain, altitude, weather and season
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