August ultramarathons in United States (South)

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

Flat, shaded one-mile loops on palm- and oak-lined trails between river and ocean, nontechnical terrain showcasing old Florida hammock.

Overnight 10-hour ultra with low elevation loops on Louisiana's swampy trails, featuring heat, humidity, roots, and frequent aid station access.

Paved 3-mile out-and-back loop through Walsingham Park, self-supported format, hot and humid Florida conditions, ample space for personal setup

Rugged Tennessee backroads, 23 major climbs, remote sections without services, and scenic highlights on the Cumberland Plateau and Crab Orchard Mountains

Flat out-and-back course on the Dahlgren Railroad Heritage Trail with dirt, gravel, and pine needle surfaces under continuous tree shade

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

Gentle dirt loop through tranquil woods and along the historic Murderkill River, featuring sandy paths, single-track sections, and a footbridge crossing

Flat, 1.5-mile unpaved loop through tree-lined trails and lakeside scenery at Oak Grove Lake Park, featuring wildlife and a single aid station

50k on Charlotte greenways: paved, flat, non-technical paths past parks, bridges and oak groves, with a playful taco-fueled atmosphere

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

Eight hours on a scenic 5K trail loop at Daniel Stowe Conservancy, with a focus on personal achievement and camaraderie

Technical 2.5-mile loop on Pioneer Trail with hills, switchbacks, and Black Creek views in Florida heat and humidity, repeatable for up to 5 hours

Primarily flat, smooth rail trail out-and-back with roots and bog boards along the Dahlgren Railroad Heritage Trail

Elevation-packed trails across established and new routes in Old Fort’s scenic landscape, starting and finishing at Camp Grier

Technical Reveille Peak Ranch course with large rock domes, winding singletrack, exposed sections, shaded woods, rolling hills, and substantial elevation gain.

Multi-trail loop featuring Catawba Thread, Beaver Run, Eagle, and Legacy Trails with a notable hill and about 293 feet of elevation gain per three-mile circuit

Technical 50k trail course with 4,000 ft of elevation gain, forest shade, rock scrambles, single-track, stream crossings, and mountain bike trails near baltimor