Spring ultramarathons in United States (South)

50K, 50-mile, and 100-mile trail races on gently rolling singletrack and logging road loops through Mississippi pine woods.

Single-loop trail run through the Croom Tract, following the Withlacoochee River into remote forest with varied terrain and tranquil surroundings

Runnable forest loops along Lake Martin, with roots, scattered granite, and 3,000+ feet of climbing per loop.

Technical, winding 74-mile route along the Suwannee River on the Florida Trail, minimal elevation gain, scenic remote landscapes, symbolic railroad spike

Woodland trails winding through upland hardwood forest, cypress and tupelo stands beside tranquil Lake Bistineau

Technical loop through Table Rock State Park with rugged trails, sustained elevation, and scenic foothills views.

Trail race tour of Morrow Mountain State Park featuring 32 miles of challenging terrain, three peak ascents, and scenic Uwharrie Mountain views.

Historic Texas trail run along Lake Texoma, featuring rugged terrain, scenic views, and multiple distance options including half marathon, marathon, and 50K

Flat, lap-based ultramarathon with 5K loops on scenic waterfront trails in Daniel Stowe Botanical Garden, just outside Charlotte

Cohutta Wilderness routes with gravel starts, challenging Pinhoti 2 climbs, Bear Creek overlooks, Barnes Creek Falls, and up to 4400 feet of elevation gain

Historic Fort McClellan 4-mile loop with rolling terrain, 300 feet of elevation gain per lap, and reminders of a storied military past

50K of three looped circuits on mostly flat, fast singletrack, with dirt, rocks, roots, dry creek beds, and prickly pear-lined South Texas trails.

Wooded singletrack near Austin, with stream crossings, rolling hills and fast descents across more than six miles of true trail

Rugged mostly singletrack 50K on Signal Mountain and Walden Ridge, with Tennessee River Gorge overlooks, stream-fed coves, and sandstone trails.

Mostly flat 1.178-mile cinder track loop through Waid Park, with views of the Pigg River and athletic fields in Rocky Mount, Virginia

4.167-mile trail loop at Bass Lake and Sugg Farm, with lakeside views, parkland trails, and steady pacing for 50- and 100-mile efforts

Rugged, rocky single-track through Garner State Park with over 7,500 feet of elevation gain and Old Baldy Mountain vistas

Two-loop, 50K women-only trail course on single track and forest service roads, with nine-hour cutoff and frequent aid stations

Point-to-point style lowcountry trails through Francis Marion National Forest, with 50- and 100-mile out-and-back routes and remote forest scenery.

Flat, fast 50-mile route in Getzendaner Park with mostly concrete paths, tree-lined scenery, and minimal traffic, organized to support local community causes.