The Rut is an international skyrunning competition held for the first time in 2013. It runs every year in Big Sky, Montana (United States) in September and consists of four races, a 50 K, a 25 K, a 11 K (from 2015, before was 12 K) and Vertical Kilometer both valid for the Skyrunner World Series.^[1]

Quick Facts Date, Location ...

The Rut
Date	September
Location	Big Sky, Montana
Event type	Sky (28 K) Ultra (50 K) Vertical (Lone Peak)
Distance	28 km / 2,375 m D+ 50 km / 3,200 m D+ 1,000 m D+
Established	2013
Official site	The Rut

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• Skyrunner World Series