
About the event
For those seeking a tough yet rewarding adventure, the Rut 21K delivers a thrilling half marathon on September 12, 2025, in Big Sky, Montana. With 1,250 meters of elevation gain, the race weaves through steep ascents and technical trails while showcasing the natural beauty of Montana's alpine terrain. Organized by Run The Rut, the event offers participants a supportive and exhilarating mountain running experience. Ideal for runners wanting to push their limits, the 21K promises a memorable day on the trails.
Date:
Fri
Sep 12
2025
Location:
Distance:
Elevation profile:
Hilly
Website:
LinkElevation gain:
Number of participants:
Find the best training plan for your goals and the distance you’re planning to run:
Stories from Runnas
The Rut 21K, held on September 12, 2025, in Big Sky, Montana, offers a mountain half marathon experience unlike any other. Organized by Run The Rut, this race features 1,250 meters of elevation gain and challenging terrain, providing a perfect mix of difficulty and reward.
If you are an official race organiser with any questions about this page, please get in touch: races@runna.com
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