The Cowboy State

Running in Wyoming

Wyoming is the least populated state in America, and that means running here feels truly wild. With Yellowstone, the Grand Tetons, and vast open rangeland, the state offers a running experience defined by solitude, altitude, and stunning natural beauty.

Climate

High-altitude and dry, with cold winters, windy conditions year-round, and short, pleasant summers

Terrain

Mountain terrain in the western Tetons and Yellowstone

Top Race

Jackson Hole Marathon

Climate and Weather

High-altitude and dry, with cold winters, windy conditions year-round, and short, pleasant summers. Mountain areas can see snow any month of the year. The wind is legendary, particularly on the plains. Summer (June-August) is prime running season.

Terrain and Landscape

Mountain terrain in the western Tetons and Yellowstone. High desert and grassland across much of the state. The Wind River Range has some of the most dramatic mountain scenery in the lower 48. Towns are small and trails tend to be rugged and remote.

Top Running Routes

Grand Teton Trail System

5-40 miles

Grand Teton National Park

Mountain trails with views of the dramatic Teton Range, one of the most photographed mountain ranges in the world.

Yellowstone Trails

5-20 miles

Yellowstone National Park

Trails through geothermal areas, forests, and along rivers in the world's first national park.

Greenway Trail

8 miles

Jackson

A paved path through the resort town of Jackson with Teton views.

Casper Mountain Trails

5-15 miles

Casper

A trail network on the mountain overlooking Casper, offering forest running with views of the plains.

Wind River Range Trails

Varies

Various

Rugged backcountry trails through one of the most remote and beautiful mountain ranges in the lower 48.

Popular Races

Jackson Hole Marathon

Jackson

JuneMarathon / Half

Bighorn Trail Runs

Bighorn Mountains

June50K / 100 Mile

Cheyenne Marathon

Cheyenne

JuneMarathon / Half

Running Culture

Wyoming's running community is small but fiercely devoted. Jackson is the state's running hub with its access to mountain trails. The Bighorn Trail Runs attract ultra runners from around the country. Running here is defined by altitude, wind, wildlife, and vast open spaces.

Curious who else is running near you in Wyoming? Find a local running club for group runs, pace partners, and a built-in training schedule.

Watch: The Teton Crest Trail in One Day

Safety Tips

1.

Bear and moose encounters are possible on mountain trails. Carry bear spray and be alert.

2.

Wyoming wind is relentless. Dress for wind chill and be prepared for gusts on exposed terrain.

3.

Altitude is significant. Most of Wyoming is above 4,000 feet, with mountain trails much higher.

4.

Trails are remote with no cell service. Run prepared with supplies, maps, and a shared route plan.

Laramie, Sheridan, and Wyoming's Other Running Towns

Laramie, home to the University of Wyoming, sits at over 7,200 feet in the state's southeast and gives the university's cross country and track programs a natural high-altitude training base, one that has historically attracted distance runners specifically for the thin air. The city's location on the high plains means near-constant wind, adding another layer of difficulty that Laramie-trained runners often turn into a competitive advantage at lower, calmer elevations.

Sheridan, in north-central Wyoming at the base of the Bighorn Mountains, offers a running character built around access to genuine mountain trails without Jackson's tourist crowds or price tag. The Bighorn Trail Runs, held each June in the mountains above town, have grown into one of the most respected ultra events in the region, drawing competitive trail runners from across the country to a town of under 20,000 people.

Both towns share a common Wyoming trait, small populations supporting outsized running cultures relative to their size, driven in Laramie's case by the university and in Sheridan's by proximity to serious mountain terrain, a pattern that repeats across the state's sparse population centers more than in almost any other state in this guide.

Wind, Mud Season, and Wyoming's Narrow Training Window

Wyoming's wind is not a minor inconvenience but a defining feature of running in the state, with sustained gusts common across the open plains and high desert year-round, strong enough that some Wyoming runners plan routes specifically around windbreaks or choose direction based on forecasted gusts rather than distance or terrain preference alone.

The state's spring mud season, when snowmelt saturates trails and dirt roads across the mountains and high plains, can make many routes impassable well into May at higher elevations, compressing Wyoming's reliable trail running season into a shorter window than even its harsh winters might suggest. Runners planning early season mountain trail races need to watch snowpack and trail condition reports closely rather than assuming a calendar date guarantees clear trails.

Because Wyoming combines high altitude, persistent wind, and a short mud-season-bound training window, runners who build fitness successfully in the state tend to be remarkably well prepared for tough conditions elsewhere, a byproduct of training through some of the most physically demanding weather patterns of any state covered in this guide.

Make Running in Wyoming a Game

Turn your Wyoming runs into a real-world strategy game. Capture territory by running loops, compete with local runners on leaderboards, and explore every street through a Fog of War mechanic. Motera adds purpose and competition to every mile.

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Frequently Asked Questions

Can you run in Yellowstone National Park?

Yes, but with caution. Yellowstone has numerous trails open to runners. You must be bear-aware (carry spray), stay on marked trails, and be mindful of bison and other wildlife. The park's beauty makes it a bucket-list running destination.

What is the best running area in Wyoming?

Jackson and the surrounding Grand Teton National Park offer the best combination of trails, scenery, and running infrastructure. The town has a paved greenway, and mountain trails start minutes from downtown.

When is the best time to run in Wyoming?

June through September is ideal. Mountain trails may be snowbound into July at higher elevations. Summer days are warm but nights are cool. September brings fall colors in the Tetons and fewer crowds.

Explore Nearby States

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