50 kmTrail🇺🇸 Big Sky, United States

The Rut 50K

Sunday, 12 September 2027Estimated dateIn 11 months · Start 06:00

A brutal skyrunning-style loop at Big Sky Resort with an exposed ridge traverse and a scramble up and down the scree of 11,166-ft Lone Peak. One of America's best-known mountain races, it sells out its 825 places within hours.

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Facts checked 26 Oct 2026 against runtherut.com, runtherut.com, itra.run.

Elevation gain

3,350 m

Mountain · ↓ 3,350 m

Highest point

3,403 m

above sea level

Temp at start

6°C

Peaks around 14°C

Entry fee

≈ $175

Open entry

Finishers

—

typical year

Course

Loop

12h cut-off

Getting thereFly into BZN (Bozeman), about 58 km from the start

Plan your trip to Big Sky

The race date is not confirmed yet. Searches use your own dates, if you add them.

Race date not confirmed: don’t book on it yet

Sun, 12 Sept 2027 is our estimate from the race’s usual place in the calendar, not a date the organizer has announced. Confirm the date before you book travel.

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Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Mountain: about 3,350 m of climbing and 3,350 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start

6°C

Peak during race

14°C

Humidity

62%

Chance of rain

13%

Wind

6 km/h

12 September in past years

Historical averages for 12 September ±3 days, 2016–2025, from 06:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

Finish times by age group

No data yet. We’re collecting age-group results race by race.

Runner reviews

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

Guides for this race

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<a href="https://irun42.com/race/the-rut-50k" title="The Rut 50K on iRun42"><img src="https://irun42.com/badge/the-rut-50k.svg" width="300" height="120" alt="The Rut 50K: course, elevation and race-day weather on iRun42" /></a>

Around the same time

All races in September 2027 →

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