A mountain 50K through Wyoming's Wind River foothills, cresting at 9,000 feet with 6,400 feet of climbing

No Service Requirement

Does not require trail or volunteer work

No qualifier race required

Some ultra experience recommended

High demand — register as soon as possible

A demanding mountain loop through Sinks Canyon and the surrounding Shoshone National Forest in Wyoming's Wind River Range. Starting and finishing at Bruce's Parking Area at 6,100 feet, the course climbs to nearly 9,000 feet via Fairfield Ridge and the Brewer's Trail, gaining 6,400 feet total across 80% technical singletrack. Runners traverse exposed ridgelines, wildflower meadows, and the forested Middle Fork of the Popo Agie River corridor, with four aid stations spread across the 50-kilometer loop.

Starts at the entrance to Wyoming's Wind River Range, home to the state's highest peaks and premier mountain terrain

Gains 6,400 feet of elevation, cresting at ~9,000 feet with panoramic views of Wind River Peak

Four-fifths of the course runs on technical and swooping mountain singletrack through the Popo Agie River drainage

June race timing puts runners through meadows in full wildflower bloom on the Brewer's Trail and Fossil Hill traverse

Entirely organized by the volunteer-run Lander Running Club, an inclusive community running organization

This event uses open registration - no lottery entry required.

This event does not require a qualifier for entry.

This race does not have a service requirement for entry.

Dogs may not pace runners on the trail. Dogs may be leashed with spectators/crew and must stay a minimum of 30 meters from aid station and start/finish tents.

Free dispersed camping at Hugh Otte Campground, ¼ mile from the start/finish. Additional paid campsites and yurts available in Sinks Canyon at Shoshone National Forest and Sinks Canyon State Park campgrounds.

No Service Requirement

Does not require trail or volunteer work

No qualifier race required

Some ultra experience recommended

High demand — register as soon as possible

Starts at the entrance to Wyoming's Wind River Range, home to the state's highest peaks and premier mountain terrain

Gains 6,400 feet of elevation, cresting at ~9,000 feet with panoramic views of Wind River Peak

Four-fifths of the course runs on technical and swooping mountain singletrack through the Popo Agie River drainage

June race timing puts runners through meadows in full wildflower bloom on the Brewer's Trail and Fossil Hill traverse

Entirely organized by the volunteer-run Lander Running Club, an inclusive community running organization

This event uses open registration - no lottery entry required.

This event does not require a qualifier for entry.

This race does not have a service requirement for entry.

Dogs may not pace runners on the trail. Dogs may be leashed with spectators/crew and must stay a minimum of 30 meters from aid station and start/finish tents.

Location	Mile	Elevation
Start/Finish Start	29.8	7,133 ft
Fairfield AS Aid Station	7.0	9,114 ft
Bruce's Picnic AS Aid Station	10.6	7,139 ft
Sheep's Bridge Hyderation Aid Station	16.6	8,494 ft
Out & Back to AS Aid Station	18.9	8,894 ft
Worthen AS Aid Station	19.1	8,868 ft
Fossil AS Aid Station	24.2	8,445 ft

Location	Mile	Elevation
Start/Finish Start	29.8	7,133 ft
Fairfield AS Aid Station	7.0	9,114 ft
Bruce's Picnic AS Aid Station	10.6	7,139 ft
Sheep's Bridge Hyderation Aid Station	16.6	8,494 ft
Out & Back to AS Aid Station	18.9	8,894 ft
Worthen AS Aid Station	19.1	8,868 ft
Fossil AS Aid Station	24.2	8,445 ft

Sinks Canyon Trail Races 50K

Nearby races

Wyoming Range 100-Mile Endurance Run

The Bear 100 Mile Endurance Run

Bighorn Trail 100 Mile Endurance Run

Scout Mountain Ultras 100 Mile

Run Rabbit Run 100

Snowbasin 58K

Continental Divide Trail Run 16 Mile

Wasatch Front 100 Mile Endurance Run

Sinks Canyon Trail Races 50K

What Makes It Great

Difficulty

Race Highlights