Intermediate ultramarathons in United States (South)

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

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

Night trail route through rugged hills and dry southern terrain under a vast starry sky at South Llano River State Park

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

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

Mountain trail ultramarathon in Cherokee National Forest with technical terrain, scenic views, and up to 19,000 feet of elevation gain

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

Sugar sand dunes of coastal southeast Florida, mini-game style challenges, 24-hour and half marathon options, peak summer heat, varied difficulty levels

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

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

54K route on the 12-mile DORBA trail at Cedar Hill State Park, moderate to challenging terrain through forests and grasslands by Joe Pool Lake

Technical sections on High Rocks Spur and Boundary Trail loop, featuring challenging and varied terrain through Crystal Springs Recreation Area

Night-long 100k loop through Talladega Forest on rolling dirt and gravel roads, starting at Frog Pond Overlook, with alternating course direction each year.

Extensive elevation gain, large rock domes, diverse single track, exposed and wooded sections, steep hills, and technical terrain

Low-key, no-cost ultrarun with limited participants and community-supplied aid stations near the start and finish area

Out-and-back riverfront route along the Chattahoochee River, featuring urban whitewater, historic landmarks, and summer heat in Columbus, Georgia.

Scorching summer heat and technical ranch trails across 1,100 acres at historic 7IL ranch, including 100-mile and 100km ultramarathon relay distances

Technical mountain trails and relentless elevation changes in the rugged Duncan Ridge area, winding through dense forests and remote North Georgia ridgelines.

Scenic 10-mile figure-eight loop with lush woodlands, rolling terrain, and approximately 175 feet of elevation gain per mile at Valley Falls State Park.