Yellowstone Half Marathon
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Event overview
The Yellowstone 1/2 Marathon takes place on Saturday, July 11, 2026, in West Yellowstone, Montana. The event is organized by the Yellowstone Running Company and Wolf Pack Adventures and is permitted under special use authorization from the Custer Gallatin National Forest. Registration closes on July 11, 2026. The venue is Rendezvous Ski Trails, West Yellowstone, MT 59758.
- 50K
- 25K
- 1/2 Marathon
- 10K
- 5K
Prices listed for the events are $85 for the 50K, $75 for the 25K, $80 for the 1/2 Marathon, $65 for the 10K, and $50 for the 5K.
Course details and safety
All races start and finish at the Rendezvous Ski Trails. Course formats and elevation gain are provided for each distance: the 50K is two loops with 2,200 ft elevation gain; the 25K is one loop with 1,112 ft gain; the 1/2 Marathon is one loop with 960 ft gain; the 10K is one loop with 370 ft gain; the 5K is one loop with 230 ft gain. GPX route files are available for the courses. The Forest Service recommends participants carry bear spray for the event. Visit the organization's website for the most recent information.
