50K ultramarathons in United States (South) in 2026

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

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

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 nighttime route along Tulsa’s RiverParks asphalt trails, illuminated Arkansas River crossings, urban landmarks, and riverside views

Repeated 10K pine-forest circuit at Rocky Hill Ranch, with singletrack, rolling hills, intermittent shade, and long-format options from 50K to 200K.

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

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

Night-time ultramarathon on rugged hilly ranch trails in Gilmer, Texas, featuring dirt singletrack, creek crossings, varied elevation, and self-supported racing

After-dark 50K on rooty dirt singletrack through Tyler State Park’s East Texas pines, with rolling hills, narrow wooded trails, and 900 ft gain per loop

Nighttime trail run across Guadalupe River State Park’s grasslands and woodlands, featuring star-lit paths and diverse natural scenery

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

Rugged, heat-defined 24-hour and 48-hour ultra with smart pacing, cooler nighttime hours, and a laid-back, communal atmosphere

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

Smooth 1.64-mile paved loop with minimal elevation gain, limestone bluffs and oak hills, USATF-certified course under the Buck Moon in Pace Bend Park