Trail ultramarathons in Wyoming, United States

High-elevation 50k traversing Grand Targhee's renowned trails and ridgelines, with sweeping mountain views

Rugged mountain trails in the Laramie Range with a 2,800-foot climb to Laramie Peak’s 10,200-foot summit and alpine views

JHMR singletrack with steep ascents, technical ridge sections, summit rock scramble, double climbs, alpine vistas, and varied mountain trails

Backyard Ultra format on scenic Casper Mountain Trails, endurance challenge with last runner standing rules and accessible spectator viewing

Challenging 31k and 50k point-to-point routes through the Wyoming Wilderness, starting at Canyon View Park or Cottonwood Lake, with rugged terrain

Overnight time-based event on Casper Mountain’s forested summit trails, featuring solo and relay options with flexible pacing and lap format.

Demanding 50K in southeast Wyoming: rugged jeep roads, three climbs of Jelm Mountain, out-and-back from 7,600 to above 9,600 feet.

Looped ultramarathon route through Wyoming’s Red Desert, historic South Pass City start and finish, remote steppe ecosystems, sweeping landmark views

Flat dirt and gravel loops beside the Tongue River, 30-hour limit, rustic amenities, variable Wyoming weather, and scenic park surroundings at 3,770 feet

Demanding 50K trail course over rugged Wyoming terrain, cupless aid stations, unpredictable weather, and a start and finish at Cody Archery Range

Rugged Wyoming wilderness, snow-covered trails, subfreezing temperatures, ski, bike, or run routes inspired by historic cattle drives

Nighttime trail loops of varied length and difficulty at Two Moons Campground, with strategic pacing and creative recognition before sunrise.

Hilly out-and-back course in Medicine Bow National Forest, dirt and gravel roads, 8,700 to 8,000 feet elevation, bulk-aid stations every four miles

Mountain trail circuit featuring technical climbs, rocky singletrack, wildflower meadows, steep Fairfield Ridge ascents, and panoramic Wind River views.

Rugged out-and-back course in the Bighorn Mountains, reaching 10,000 feet with wildflower fields, stunning vistas, and tough mountain trails