Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 12:20 finish (an estimate) · starting 7:00 AM Apr 17. Dark means the sun below civil twilight.
Climbs
10 climbs · 3,346 ft totalbiggest firstElevation gain, measured two ways
| Source | Gain | vs lidar |
|---|---|---|
| Course file (GPX) | 5,348ft | -7% |
| USGS lidar, 1 m | 5,721ft | 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 |
|---|---|---|
| 92K Start Line | 0.0 | 0.0 |
| A Pioneer Park Aid | 5.7 | 9.2 |
| A Katahn Aid | 11.5 | 18.6 |
| A Iron Springs Aid | 16.4 | 26.4 |
| A 60K Start - White Rock | 20.9 | 33.6 |
| A Copper Basin Aid | 27.2 | 43.8 |
| A White Spar Aid | 33.3 | 53.5 |
| A 32K Start - Goldwater Lake | 37.1 | 59.7 |
| A Goldwater Aid | 37.9 | 60.9 |
| A Badger Mountain Aid | 47.0 | 75.7 |
| A Sun Dog Aid | 51.6 | 83.0 |
| Finish Line | 57.9 | 93.2 |
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 Apr 17 at the start
Typical = the median of 2016–2025 for Apr 17 ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac the sky on race day
Next race day Sat, Apr 17, 2027 · 7:00 AM start
First and last light are civil twilight, the sun 6° below the horizon. The moon is lit as at midnight after the start; headlamp hours count a typical finish from the start while the sun is below civil twilight. Worked out for the start line.
Reviews what runners who have been there say
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About this course
Whiskey Basin Trail Runs 91K — 2027 covers 57.9 mi (93.2 km) with 5,348 ft of elevation gain through Arizona, United States. That is about 92 ft per mile of climbing, and 5,351 ft of descent. The course tops out at 6,654 ft and bottoms out at 5,148 ft. The surface is 92% trail, 5% gravel and 3% paved. There are 10 aid stations on course; the longest stretch between aid is 9.1 mi. The profile has 10 sustained climbs; the biggest is the climb from mi 10.5, +574 ft over 3.8 mi at 2.9% on average (steepest stretch 13%). Race day is April 17, 2027, starting at 7:00 AM; the sun rises at 5:57 AM and sets at 7:03 PM. Typical race-day weather at the start: a high of 69°F and a low of 42°F, with a 3% 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
- Sep 3, 2026Added to the catalog
Races like this one close in distance, climbing, terrain, altitude, weather and season
- Whiskey Basin Trail Runs — 2026Apr · 58 mi · 92 ft/miSame distance · Similar climbing · Similar weather
- Elephant Mountain 50 Miler — 2027Feb · 50 mi · 104 ft/mi · AZMostly trail · Similar climbing · Similar weather
- Mesquite Canyon 50 Miler — 2027Mar · 50 mi · 128 ft/mi · AZSimilar weather · Mostly trail · Same state
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