Trail ultramarathons in United States

Wrangell Island community ultra with paved highway stretches and trails, reflecting a rugged, remote setting and a self-reliant feel.

Hilly 50KM double-loop trail race on runnable gravel and mixed tracks, seven major climbs per loop, river valley ascents, and rugged scenic terrain

Rocky out-and-back course through Bear Valley and Lake Spaulding, steep ascents on Signal Peak loop, challenging terrain with rugged segments

Technical singletrack and rolling fire roads through shaded oak groves and exposed hillsides, with sweeping Bay Area views and a challenging elevation profile

16.5-mile loops through Finger Lakes National Forest, single-track trails, grassy pastures, dirt and paved roads, 1292 feet elevation gain per loop

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

Scenic Sammamish River Trail out-and-back with steep early descent, bridge crossing, fields at 60 Acres Park, and multiple parkway turns

Scenic Kennesaw Mountain course passing historic sites, wooded trails, gravel, and asphalt, featuring sunrise and sunset views along an 8-mile out-and-back loop

Technical single track climbs on Bells Mountain, stream crossings, waterfalls, and views of Mt. St. Helens along the Tarbell Trail to Moulton Falls Arch Bridge.

60k course with 1,600 feet of elevation gain on the varied trails of Red Wing Recreation Area in Lagrangeville, NY

High-altitude trails above 10,000 feet through alpine meadows, ghost towns, and mining relics, with sweeping views of the South Park Valley and Decalibron peaks

Scenic 1.9-mile loop at Notchview with a 0.2-mile climb, rolling single and double track, open fields, and cross-country ski trails

Looped nighttime miles on runnable single-track dirt trails through cedar and hardwood forests along the Duck River, glowing with reflective markers

Casual-paced ultrarun emphasizing camaraderie, pedestrian-friendly routes, and essential self-supported hydration, with unique aid stops along the course.

102.5-mile loop in Colorado's San Juan Mountains, 33,000 feet of climbing, 13 mountain passes, technical terrain, summit of Handies Peak at 14,048 feet

Demanding 50-mile course through Uinta-Wasatch-Cache National Forest, trails and minor roads, mandatory pack weight, 26-hour limit, scenic mountain terrain

Steep switchbacks in lush forests, ski slopes with panoramic vistas, and expansive fields across a 5-mile loop with 810 feet of elevation change

Forested singletrack, open ski hill ascents, and technical descents over five 10k laps at Cannonsburg Ski Area

Night race on runnable jeep roads and technical terrain at Twin Mountains Offroad Park, with frequent loops and hot, humid conditions.

High desert landscape with intense heat, steep gulches, massive rock hoodoos, significant elevation changes, and dry, challenging terrain