Trail ultramarathons in United States (Northeast)

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

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

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

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

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

Six-loop 50K on technical, rocky singletrack with roots, foot bridges, over 4,000 feet elevation gain, minimal doubletrack, and frequent aid access

Rugged, moderately difficult out-and-back laps on an unpaved rail trail with 1000 feet elevation change per lap and uneven terrain.

Rugged 100-kilometer course through the wild trails of the Alleghenies, rocky ridges, sparse aid stations, and punishing midsummer heat

Scenic Finger Lakes hills and valleys, swamplands to hilltops, steep descents, gully rim trails, finishing at the culturally significant Great Hill

Historic Starrucca Viaduct start, four 25-mile out-and-back laps on a primarily flat stony rail trail with gradual elevation changes and trestle dips

1.776-mile loop through historic Putnam Memorial State Park, featuring multiple timed race options in a landscape tied to Revolutionary War history

100-mile Vermont trail race with 17,000 feet of elevation gain, rolling hills, country roads, forested trails, and southern Green Mountains scenery

Point-to-point route from Ellsworth to Eastport across Down East Maine, featuring demanding terrain and views of the region’s distinctive landscapes

50K on the scenic West Rim Trail with an early dark start, minimal aid, and a challenging out-and-back route to Bradley Wales

Technical 55K route on the Northville Placid Trail through remote Adirondack wilderness, 3,300 feet of elevation gain, fully self-supported format

Scenic Vermont course with 8 miles of road, 23 miles of rugged trails, over 5,000 feet of climbing, and varied landscapes through four towns.

Randomly assigned trail loops across South Mountain Reservation, strategic decisions at dusk, and unpredictable routes inspired by the TommyKnocker Ultra

Scenic trail courses in Canandaigua featuring 100-mile and 50-mile ultrarunning challenges

1-mile loops with 300 feet of gain, last man standing format honoring the 2nd Battalion 4th Marines