Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 11:15 finish (an estimate) · starting 7:00 AM Sep 25. Dark means the sun below civil twilight.
Climbs
5 climbs · 6,909 ft totalbiggest firstElevation gain, measured two ways
| Source | Gain | vs lidar |
|---|---|---|
| Course file (GPX) | 7,548ft | -6% |
| USGS lidar, 1 m | 8,017ft | 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 24, 2026. The planner still uses the course file.
Aid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| A Agassiz Aid | 1.8 | 2.9 |
| A Hill Climb Finish | 1.8 | 3.0 |
| A White Horse Aid | 12.6 | 20.2 |
| A Hostetter Aid | 21.4 | 34.5 |
| A 420 Aid | 28.8 | 46.4 |
| A Schultz Pass Aid | 35.6 | 57.2 |
| A Fort Valley Aid | 41.7 | 67.2 |
| A 20K Start | 41.7 | 67.2 |
| A Kachina Aid | 45.5 | 73.3 |
| Start/Finish | 49.2 | 79.2 |
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 25 at the start
Typical = the median of 2016–2025 for Sep 25 ±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 58°F at the start, with a low of 44°.
| Year | Start °F | High point °F | Rain | Wind |
|---|---|---|---|---|
| 2026 Sep 25 | 58°/44° | 52°/38° | 0.06in | 6mph |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (11,227 ft).
Reviews what runners who have been there say
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About this course
Flagstaff Sky Peaks — 2026 covers 49.2 mi (79.2 km) with 7,548 ft of elevation gain through Arizona, United States. That is about 153 ft per mile of climbing, and 7,539 ft of descent. The course tops out at 11,227 ft and bottoms out at 7,270 ft. The surface is 59% gravel and 29% trail. There are 9 aid stations on course; the longest stretch between aid is 10.7 mi. The profile has 5 sustained climbs; the biggest is the climb to Start/Finish, +1,870 ft over 4.5 mi at 7.8% on average (steepest stretch 15%). Race day is September 25, 2026, starting at 7:00 AM; the sun rises at 6:18 AM and sets at 6:21 PM. Typical race-day weather at the start: a high of 61°F and a low of 41°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
- Jul 27, 2026Added to the catalog
Races like this one close in distance, climbing, terrain, altitude, weather and season
- Run Rabbit Run 50 Miler — 2026Sep · 49 mi · 156 ft/mi · COSame distance · Similar climbing · High altitude
- Crested Butte Ultra — 2026Sep · 48 mi · 181 ft/mi · COSame distance · High altitude · Similar weather
- Crested Butte Ultra 55K — 2026Sep · 32 mi · 149 ft/mi · COSimilar terrain · Similar climbing · High altitude
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