The Rut Mountain Runs

The Rut Mountain Runs

The Rut Mountain Runs is a three-day mountain running event held at Big Sky Resort in Big Sky, Montana, on September 11 to 13, 2026. The program includes multiple trail races and a vertical kilometer event organized across the three days.

The event offers the following distances:

• 50.6 miles Trifecta / Trifecta-Scoring
• 30.3 miles 50k
• 17.8 miles 28k
• 13.3 miles 21k
• 6.41 miles 11k
• 2.5 miles Lone Peak Vertical Kilometer
• 1 km Kids 1K Runt Run

Registration opens on January 6, 2026. Registration fees vary by event, from $0 for the Kids 1K to $395 for the Trifecta entries. Events are identified as trail races except the kids run, which is listed as a running race. The venue postal code is 59716 and the location is Big Sky Resort, Big Sky, Montana, United States.

The schedule spans three days and includes both single-distance races and multi-race entries noted as the Trifecta. Specific start times and detailed schedules are provided separately for each race. Visit the organization's website for the most recent information.