The Rut Mountain Runs
SEP
11-13
2026
53 miles
31 miles
18 miles
13 miles
7 miles
3 miles
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Event overview
The Rut Mountain Runs is a three-day mountain trail running event in Big Sky, Montana, held September 11-13, 2026. The event includes multiple race formats on mountain and alpine terrain. It is presented by The North Face. Online registration opens January 6, 2026 at 8 AM Mountain Time. Visit the organization's website for the most recent information.
Race distances
- Trifecta – 52.5 miles (84 km); 21,500 ft (6,554 m) vertical gain/loss
- 50K – 31 miles (50 km); 10,500 ft (3,200 m) vertical gain/loss
- 28K – 17.6 miles (28 km); 7,800 ft (2,375 m) vertical gain/loss
- 21K – 13.4 miles (21 km); 4,000 ft (1,220 m) vertical gain/loss
- 11K – 6.8 miles (11 km); 1,700 ft (518 m) vertical gain/loss
- Lone Peak VK – 2.85 miles (4.6 km); 3,623 ft (1,105 m) vertical gain
- Runt Run – 0.62 miles (1 km); 80 ft (24.4 m) vertical gain/loss
53 mi
Trifecta - 52.5 Miles
31 mi
50k - 31 Miles
18 mi
28k - 17.6 Miles
13 mi
21k - 13.4 Miles
7 mi
11k - 6.8 Miles
3 mi
Lone Peak Vk - 2.85 Miles
Runt Run - 0.62 Miles