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The Rut Mountain Runs is a Montana mountain-running festival built around Lone Peak, with distances from a vertical kilometer to a 50K.
Course Highlights
The 2026 celebration runs September 11–13 and includes VK, 11K, 21K, 28K, 50K, a trifecta and the 1K Runt Run. The official distances range from a 4.6K vertical kilometer to an 84K/52.5-mile ultra-style challenge, with steep climbing and high alpine terrain defining the weekend.
Big Sky Resort and Lone Mountain gives the race its sense of place, with the start and finish designed to put runners close to the most memorable parts of the destination. The course profile and terrain make it worthwhile to study the organizer maps before race day rather than relying only on the headline distance.
Race Details
The next listed race date is 2026-09-11 with a typical start around 09:00 local time. Distances include VK, 11K, 21K, 28K, 50K and 1K Runt Run. Check the official website for registration deadlines, wave assignments, course changes, time limits and final logistics, especially if you are traveling internationally.
Choose the distance carefully and take the mandatory-gear rules seriously for the longer races. Big Sky altitude and weather can surprise runners, so arrive early to acclimatize, study the lift and trail-access plan and carry the required reusable hydration system and layers. Build a simple race-weekend plan that covers packet pickup, sleep, breakfast, hydration, transport and a post-race meeting point. For destination events, keeping the plan flexible is useful because weather and road closures can change the best way to reach the start.
Why Runners Love It
The Rut is as much a mountain celebration as a race, with cash-prize elite fields, youth programming and a strong spectator culture. The range of distances makes it easy to build a group weekend around one mountain, whether the goal is a first trail race or a demanding 50K.
Whether the goal is a personal best, a first long-distance finish, a relay with friends or a scenic travel experience, this event offers more than a start line. Read the organizer guidance, respect local course rules and arrive ready to enjoy the community atmosphere as well as the miles.
Official race website: https://runtherut.com/
Race-weekend planning: Recheck the organizer website as the event approaches for final maps, bib collection windows, weather guidance, aid-station details and transport changes. A little planning goes a long way: protect sleep, identify a warm-up route near the hotel, decide where supporters will meet after the finish and keep the official emergency and course-contact information with you.
Big Sky, MT United States
The Rut Mountain Runs is a Montana mountain-running festival built around Lone Peak, with distances from a vertical kilometer to a 50K.
Course Highlights
The 2026 celebration runs September 11–13 and includes VK, 11K, 21K, 28K, 50K, a trifecta and the 1K Runt Run. The official distances range from a 4.6K vertical kilometer to an 84K/52.5-mile ultra-style challenge, with steep climbing and high alpine terrain defining the weekend.
Big Sky Resort and Lone Mountain gives the race its sense of place, with the start and finish designed to put runners close to the most memorable parts of the destination. The course profile and terrain make it worthwhile to study the organizer maps before race day rather than relying only on the headline distance.
Race Details
The next listed race date is 2026-09-11 with a typical start around 09:00 local time. Distances include VK, 11K, 21K, 28K, 50K and 1K Runt Run. Check the official website for registration deadlines, wave assignments, course changes, time limits and final logistics, especially if you are traveling internationally.
Choose the distance carefully and take the mandatory-gear rules seriously for the longer races. Big Sky altitude and weather can surprise runners, so arrive early to acclimatize, study the lift and trail-access plan and carry the required reusable hydration system and layers. Build a simple race-weekend plan that covers packet pickup, sleep, breakfast, hydration, transport and a post-race meeting point. For destination events, keeping the plan flexible is useful because weather and road closures can change the best way to reach the start.
Why Runners Love It
The Rut is as much a mountain celebration as a race, with cash-prize elite fields, youth programming and a strong spectator culture. The range of distances makes it easy to build a group weekend around one mountain, whether the goal is a first trail race or a demanding 50K.
Whether the goal is a personal best, a first long-distance finish, a relay with friends or a scenic travel experience, this event offers more than a start line. Read the organizer guidance, respect local course rules and arrive ready to enjoy the community atmosphere as well as the miles.
Official race website: https://runtherut.com/
Race-weekend planning: Recheck the organizer website as the event approaches for final maps, bib collection windows, weather guidance, aid-station details and transport changes. A little planning goes a long way: protect sleep, identify a warm-up route near the hotel, decide where supporters will meet after the finish and keep the official emergency and course-contact information with you.