Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 6:35 finish (an estimate) · starting 7:00 AM Apr 3. Dark means the sun below civil twilight.
Climbs
4 climbs · 1,969 ft totalbiggest firstAid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| Start/Finish | 0.0 | 0.0 |
| A Aid 1 | 5.9 | 9.5 |
| A Aid 2 | 15.5 | 24.9 |
| A Aid 3 | 23.9 | 38.4 |
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 3 at the start
Typical = the median of 2016–2025 for Apr 3 ±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 3, 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
Behind the Rocks Ultra 50K — 2027 covers 31.6 mi (50.8 km) with 2,966 ft of elevation gain. That is about 94 ft per mile of climbing, and 2,966 ft of descent. The course tops out at 5,541 ft and bottoms out at 4,058 ft. The surface is 90% gravel and 10% trail. There are 3 aid stations on course; the longest stretch between aid is 9.6 mi. The profile has 4 sustained climbs; the biggest is the climb to Aid 3, +909 ft over 4.8 mi at 3.6% on average (steepest stretch 13%). Race day is April 3, 2027, starting at 7:00 AM; the sun rises at 7:01 AM and sets at 7:43 PM. Typical race-day weather at the start: a high of 61°F and a low of 37°F, with a 13% 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
- Antelope Canyon Ultras 55K — 2027Mar · 34 mi · 81 ft/miSimilar terrain · Same distance · Similar weather
- Thelma and Louise Marathon and Half 50K — 2027Apr · 30 mi · 73 ft/mi · UTSame distance · Similar terrain · Same month
- Thelma and Louise Marathon and Half — 2026Apr · 30 mi · 71 ft/miSame distance · Same month · Similar climbing
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