The Rut Mountain Runs 11k is the 11.0km trail race at The Rut Mountain Runs 2026 (Big Sky Resort base area, United States). The race starts on September 13, 2026 at 07:30 AM. It starts and finishes in Big Sky Resort base area.
Short race: go all out.
The course climbs 518m+. With 47m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 47% of the distance is uphill, 42% downhill and 12% flat. The longest climb runs 4.4km at an average 10.0% grade (445m of vertical). The longest descent runs 2.9km at an average 12.0% grade (353m of vertical). The steepest climb averages 25.5% over 0.4km. The steepest descent drops at 32.5% over 0.4km. Surface: 86% smooth and 8% trail. Flat-equivalent effort: 14.2 FlatKM.
The course also passes close to Andesite Mountain (2661m).
Poles bring little benefit here: only about 1.8km of pole-friendly terrain.
There is too little runnable descent to damage the quads: plan the race around climbing and fuelling.
On race day, start temperatures have historically ranged from 0°C to 10°C, with around 7°C at the highest point; the chance of precipitation is about 29%. Heavy rain of 10.0mm or more falls on about 4% of days around this date.
869 finishers completed the 2026 edition. Men's winner: Aaron Coe (United States) in 54:38. Women's winner: Dani Stack (United States) in 59:24.
This page has the full results and splits, a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for The Rut Mountain Runs 11k.
Other distances of The Rut Mountain Runs 2026The Rut Mountain Runs 50k (50.0km)·The Rut Mountain Runs 28k (28.0km)·The Rut Mountain Runs 21k (21.0km)·The Rut Mountain Runs Lone Peak Vertical Kilometer (4.6km)
Other editions of The Rut Mountain Runs 11k2027·2025
Official websiteruntherut.com