The Rut Mountain Runs
SEP
11-13
2026
53 miles
31 miles
28 kilometers
Half Marathon
11 kilometers
3 miles
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Event overview
The Rut Mountain Runs is a three-day mountain running event in Big Sky, Montana, held September 11-13, 2026. The event is presented by The North Face. Online registration opens January 6, 2026 at 8 AM Mountain Time. The weekend includes multiple trail races and a published event schedule.
Distances and elevation
- Trifecta: 52.5 miles / 84K; 21,500 ft gain/loss
- 50K: 31 miles / 50K; 10,500 ft gain/loss
- 28K: 17.6 miles / 28K; 7,800 ft gain/loss
- 21K: 13.4 miles / 21K; 4,000 ft gain/loss
- 11K: 6.8 miles / 11K; 1,700 ft gain/loss
- Lone Peak VK: 2.85 miles / 4.6K; 3,623 ft vertical gain
- Runt Run: 0.62 miles / 1K; 80 ft gain/loss
Additional information
The event materials include race details, mandatory and recommended equipment, volunteer and spectator information, and race results. Photography is collected for runners, and organizers list partners and sponsors among outdoor brands and local organizations. Visit the organization's website for the most recent information.
53 mi
Trifecta
31 mi
50k
28 km
28k
Half Marathon
21k
11 km
11k
3 mi
Lone Peak Vk
Runt Run
