The Rut Mountain Runs

The Rut Mountain Runs

The Rut Mountain Runs is a multi-day mountain trail running event held in Big Sky, Montana each September 2026. The event is presented by The North Face and includes a range of supported race formats and community programming in the Big Sky area.

Race options include:

• Trifecta: 52.5 miles / 84K, 21,500 ft gain and loss
• 50K: 31 miles / 50K, 10,500 ft gain and loss
• 28K: 17.6 miles / 28K, 7,800 ft gain and loss
• 21K: 13.4 miles / 21K, 4,000 ft gain and loss
• 11K: 6.8 miles / 11K, 1,700 ft gain and loss
• Lone Peak VK: 2.85 miles / 4.6K, 3,623 ft vertical gain
• Runt Run: 0.62 miles / 1K, 80 ft gain and loss

The 2026 main races are sold out and no waitlists will be offered; the free 1K Runt Run remains open. The Rut also runs preparatory activities and community events such as training runs and community nights, and operates a grants program to support trail stewardship, youth programs, and local projects. Partners and local organizations are involved in event logistics, aid stations, and course marking. Visit the organization's website for the most recent information.

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