The Rut Mountain Runs

SEP

11-13

2026

Run The Rut in Big Sky Montana a three day mountain running festival at Big Sky Resort with races from a Vertical Kilometer to ultras and a kids 1K. Epic alpine terrain, festival vibes and options for beginners to elites.

11-13 Sep 2026

Big Sky, Montana

Website Registration

50 kilometers 28 kilometers Half Marathon 11 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

Event overview

The Rut Mountain Runs take place in Big Sky, Montana, from Friday, September 11 to Sunday, September 13, 2026. The event is staged at Big Sky Resort. The organizer describes the gathering as a three-day mountain running event. Additional race information is available at runtherut.com.

Events and entry

The event program includes multiple race distances and a youth run. Registration for all listed events opens on January 6, 2026 at 8:00 AM Mountain Time.

Trifecta: 50K, 28K, Vertical Kilometer
50K
28K
21K
Lone Peak Vertical Kilometer
11K
Kids 1K Runt Run

Entry fees listed on the event page include $395 for the Trifecta, $175 for the 50K, $150 for the 28K, $125 for the 21K, $80 for the Lone Peak Vertical Kilometer, $70 for the 11K, and $0 for the Kids 1K Runt Run. Several events are noted as open to ages 16 and older. Sponsors named for the event include outdoor and running brands. Visit the organization's website for the most recent information.

50 km

50k

28 km

28k

Half Marathon

21k

11 km

11k

Lone Peak Vertical Kilometer

Kids 1k Runt Run