June ultramarathons in United States (West)

Multi-hour loop course on scenic trails near University of Alaska Fairbanks, forested terrain, unified finish atmosphere, festive post-race BBQ

Demanding 50- and 100-mile mountain routes over Scout Mountain, with tough climbs, rugged scenery, and high-country terrain in southeast Idaho.

Looped 4.167-mile course under the midnight sun, last-runner-standing format, Bronze Ticket qualifier for regional progression

Scenic 6.6-mile Red Loop featuring a tough 9,000-foot ridge climb, 1,121 feet of elevation change, wildflowers, and lush forests in the Rockies

Scenic loop course through Ponderosa State Park with views of Payette Lake and Ponderosa pines on varied terrain

52 miles with over 15,000 feet of elevation gain across oak forests, meadows, and steep climbs in the Santa Cruz Mountains and Sierra Azul Preserve

Scenic loop in Colorado's Wet Mountains, from lush alpine forests to arid high-desert terrain, panoramic Spanish Peaks and Sangre de Cristo views

Three-loop solo or relay race amid Lee Canyon's mountain scenery, with varied loop distances in the Humboldt-Toiyabe National Forest

50k mountain course through alpine meadows, huckleberry groves, and pine forests at Mt. Spokane Ski Park, featuring a fast-paced trail route

Classic Sierra National Forest trails near Fish Camp, with a rugged point-to-point feel, historic terrain, and aid stations spaced several miles apart.

Flat out-and-back route along the Green River Trail, riverside scenery and a relaxed, community-focused atmosphere

Single tracks and fire roads through the Santa Monica Mountains, with ridges and canyons across 100k, 50-mile, 50k, and 30k distances

Loop course through old-growth forests, steep climbs totaling 8400 feet, with scenic views of islands, mountains, and Puget Sound

Smooth single and double-track routes through Mueller State Park, spring-fed meadows, Pike Peak granite formations, and sweeping Colorado mountain views

Point-to-point relay from Mount Rainier base to Ruston waterfront, challenging terrain and scenic Pacific Northwest landscapes

4.167-mile loop each hour for 12 hours on trails and dirt roads in scenic Skagit County, backyard format emphasizing consistent endurance and pacing

Out-and-back ultramarathon on the Pacific Crest Trail, featuring rocky single track, multiple climbs, and elevations rising from 3,000 to 6,000 feet.

Scenic Wasatch Mountains trails, attractive terrain, and a low-key local atmosphere with an intimate field and community support.

Mountain trail loop with 1,244 feet gain per five miles, wildflower meadows, Marsh Peak views, and scenic overlooks above Dry Fork Canyon