Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 11:55 finish (an estimate) · starting 7:00 AM Jun 6. Dark means the sun below civil twilight.
Climbs
10 climbs · 11,165 ft totalbiggest firstElevation gain, measured two ways
| Source | Gain | vs lidar |
|---|---|---|
| Course file (GPX) | 11,415ft | -13% |
| USGS lidar, 1 m | 13,160ft | 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 25, 2026. The planner still uses the course file.
Aid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| Start/Finish | 0.0 | 0.0 |
| A AS#1 - San Isabel | 10.0 | 16.1 |
| A AS #2 - Greenhorn | 18.5 | 29.8 |
| A AS #3 - Saint Charles | 28.3 | 45.6 |
| A AS #4 - Second Mace | 39.2 | 63.1 |
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 Jun 6 at the start
Typical = the median of 2016–2025 for Jun 6 ±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 86°F at the start, with a low of 58°.
| Year | Start °F | High point °F | Rain | Wind | Heat index |
|---|---|---|---|---|---|
| 2026 Jun 6 | 86°/58° | 63°/41° | 0.03in | 17mph | 82° |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (11,660 ft).
Reviews what runners who have been there say
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About this course
Mace’s Hideout 50/100 — 2026 covers 50.1 mi (80.6 km) with 11,415 ft of elevation gain. That is about 228 ft per mile of climbing, and 11,382 ft of descent. The course tops out at 11,660 ft and bottoms out at 6,631 ft. There are 4 aid stations on course; the longest stretch between aid is 10.9 mi. The profile has 10 sustained climbs; the biggest is the climb to AS #2 - Greenhorn, +3,484 ft over 7.2 mi at 9.2% on average (steepest stretch 21%). Race day is June 6, 2026, starting at 7:00 AM; the sun rises at 5:38 AM and sets at 8:21 PM. Typical race-day weather at the start: a high of 77°F and a low of 52°F, with a 27% 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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