The Yellowstone Trail Marathon and Trail Races
- Date
- August 1, 2026
- Distance
- Saturday Marathon · Saturday 1/2 Marathon · Saturday 10K
From the Organizer
You don't want to miss this spectacular trail run just outside of Yellowstone National Park! The West entrance and gateway to Yellowstone National Park is surrounded by three national forests, blue-ribbon trout streams, and beautiful mountain lakes. Come run a Marathon, Half Marathon,10K or 5K trail run with breathtaking scenery that takes place right outside the world's first National Park on the trails of Custer Gallatin National Forest.
Click HERE for more information on the Bob Marshall Trail Race.
Click HERE for more information on The Divide Trail Race.
RACE PERMITTED UNDER SPECIAL USE AUTHORIZATION FROM THE CUSTER GALLATIN NATIONAL FOREST
Each participant is recommended by the Forest Service to carry bear spray for this event.
Distances & Pricing
Race Location
About This Sport
From Endurance Grid's Founder
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.
Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.
The half marathon rewards people who show up for the boring training miles.
How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
More running races in MT
Frequently Asked Questions (FAQs)
- What is The Yellowstone Trail Marathon and Trail Races?
- The Yellowstone Trail Marathon and Trail Races is a running event held in West Yellowstone, MT. Learn more about the different endurance sports here.
- When and where is The Yellowstone Trail Marathon and Trail Races?
- Saturday, August 1, 2026 in West Yellowstone, MT at Rendezvous Ski Trails, West Yellowstone, MT. Check the official event page for exact start times and wave schedules.
- How do I register for The Yellowstone Trail Marathon and Trail Races?
- Registration is handled through their official registration page. Confirm pricing, distances available, and sign up there.
The Yellowstone Trail Marathon and Trail Races
Aug 1, 2026