Montana Trail Series
About this race
Join us for one or four events in the Montana wilderness during the summer of 2026!
July 11
Yellowstone Trail Marathon and Trail Races
West Yellowstone, MT
50K, Marathon, 25K, 10K, 5K
July 18
The Bob Marshall Trail Races
Seeley Lake, MT
50K, Marathon, 25K, 10K
July 25
The Divide 50 and 25K
Thompson Park (Near Butte), MT
50K, 25K
August 1
The Yellowstone Trail Marathon and Trail Races
West Yellowstone, MT
50K, Marathon, 25K, 10K, 5K
Every participant receives:
Custom race medal (Bundle members receive one race medal per season)
Custom race bib
Custom race stickerHammer Nutrition products
Aid station support
Certified course
Recorded/published results
Discounted race shirts are available in the race store.
Pick your distance
Trail running
The Yellowstone Marathon
The Yellowstone 1/2 Marathon
The Yellowstone 50K
The Yellowstone 25K
The Yellowstone 10K
The Yellowstone 5K
Bob Marshall Marathon
The Bob Marshall 1/2 Marathon
The Bob Marshall 50K
The Bob Marshall 25K
The Bob Marshall 10K
The Yellowstone Marathon
The Yelllowstone 1/2 Marathon
The Yellowstone 50K
The Yellowstone 25K
The Yellowstone 10K
The Yellowstone 5K
The Divide 50K
The Divide 25K
The Divide Marathon
The Divide 1/2 Marathon
Typical race-day weather
Based on 3 years of historical conditions on this event's race dates in West Yellowstone.
About West Yellowstone
Montana Trail Series takes place in West Yellowstone, Montana, United States. The local timezone is America/Denver.
Reviews
Done this event?
If you've participated in this event, share your experience with other runners
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
