50K ultramarathons in United States (East) in 2026

Scenic 50K route looping through Andrew Jackson Birthplaces on tranquil country roads, with certified course and serene landscapes spanning two states.

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

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

Eight out-and-back segments from a central hub, spanning Vero Beach and Sebastian, with tropical waters, jungles, rugged trails, and 22 bridge crossings

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

Scenic 31-mile route from Brandenburg's Riverfront Park to downtown Elizabethtown, challenging summer conditions, varied roadways, self-supported format

Rolling course through Ouachita National Forest on Forest Service Roads, night run under the stars, start at historic Camp Ouachita Girl Scout Camp

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

Looped cross-country and single track trails with small hills at Mississippi College Choctaw Trails; intense heat and humidity expected

Rugged 50 km route through the southern Massanutten Mountains, tracing the area's industrial heritage near historic Catherine Furnace.

Flat sun-baked trails through Harns Marsh with soaring summer temperatures and challenging heat on Florida terrain

Rolling, shaded 2.6-mile loop with cart paths, wooden bridges, waterfalls, and riverside views at Riverwest Nature Preserve; strict lap cutoffs in summer heat

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.

Repeated loops in opposite directions through Beckley Creek Park, with technical singletrack, paved stretches, and frequent trail encounters

Boardwalk and forest trails through cypress and tupelo swamps, mixed hardwoods, and along the Tickfaw River in Tickfaw State Park

50k course with nearly 6,000 feet of elevation gain, rugged rocky trails, and technical terrain in Coopers Rock State Forest

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

Gnarly single track and fast double track across Central Pennsylvania’s rugged Allegheny Front, steep climbs, demanding descents, and sweeping ridge views

Looped 5k trail course with intense heat, Last Man Standing and 50K ultramarathon options, capped at 100 runners