September ultramarathons in United States (South)

Flat looped course with variable time limits by age, featuring veteran ultrarunners and a strategic focus on endurance and pacing

Rocky, rooty 4.63-mile trail loop at Lake Z with steep climbs, water crossings, and 303 feet of climb per loop in Dahlonega

Scenic 2.1-mile trail loop with 190 feet of elevation gain per lap through lush arboretum woods; multiple timed ultras and on-site camping options

Single track trails, ranch roads, field crossings, and water crossings on a 2800-acre working cattle ranch in the Texas Hill Country

Scenic 3.2-mile trail loop with 380 feet of elevation gain on Gateway trails, flexible solo or team formats, 3 to 12-hour timed options in Old Fort, NC

Technical Camp Eagle trails, rugged terrain, scenic 1400-acre venue, multi-day trail sports festival with running, rucking, and mountain biking options

Out-and-back ultramarathon along the Pinellas Trail from St. Petersburg to Tarpon Springs and Dunedin, covering over 46 miles of scenic Florida landscapes.

71-mile mountain loop on the Massanutten Trail with ridgeline traverses and valley views in George Washington National Forest

2.5-mile grass and dirt loop with gentle terrain and minimal elevation, set within 178 scenic acres at the USATF-sanctioned Escambia County Equestrian Center.

Flat, shaded urban paved trail with multiple out-and-back laps and open street crossings; low-key atmosphere, no crowds, generous time limit

Damascus start and finish, with Virginia Creeper Trail, technical singletrack, Iron Mountain ridgeline, and roughly 8,000 feet of climbing.

Historic cattle farm setting, 4.44-mile loop through pastures and forest trails, moderate elevation, single track twists, roots, rocks, and wildlife sightings

Private ranch route with extremely steep hills, significant elevation changes, and closely spaced aid stations for early September heat

Flat, mostly grassy 2.5-mile loop with gentle hills at Escambia County Equestrian Center, minimal elevation change and easy crew access

Trail running weekend at Camp Buckner in the Texas Hill Country, with purpose-built routes, rolling countryside, and a family-friendly camp atmosphere

8.34-mile paved loop with 95 feet elevation gain, shaded stretches on the Thermal Belt Rail Trail, multiple aid stations, fundraiser for Cancer Active, Inc.

208-mile relay journey through Blue Ridge Mountains scenery, wild pony habitats, peaceful country roads, and iconic spots like the Blue Ridge Parkway

Point-to-point route featuring 31 miles of single track on the Appalachian Chain, doubletrack and forestry roads, ending near Lake Howard

Winding gravel trails through oak and palm groves along the Loxahatchee River, wildlife sightings, sections of the Lake to Ocean Trail, natural Florida scenery.