June ultramarathons in United States (South)

Rugged 50-mile and 100-mile ultra on the Jericho Horse Trail, with swamps, deep forest, and punishing South Carolina heat and humidity.

Runnable singletrack through rolling woodlands of Hobbs State Park, featuring gentle grades and accessible trails in a supportive community setting.

Timed looped ultramarathon on woodland trails, 6 to 24 hour race options, frequent aid at McArthur Pavilion, night running and relay teams available.

Two laps on a forested off-road loop with steady climbing, mixed singletrack and multi-use trail, and fire tower views across Watauga Lake.

Rooty dirt single-track and rolling hills on Waterloo Trails, 6.2-mile parkland loops with approximately 500 feet of elevation gain per loop, cupless event.

Repeated-loop 50K on mostly shaded, technical singletrack along the Madrone Trail, with sweeping Canyon Lake views and shoreline twists.

11-mile asphalt loops along Ross Barnett Reservoir, minimal shade, mix of rolling hills and flat stretches, hot Mississippi summer conditions

Overnight timed laps on a well-lit oval dirt track with on-demand chip timing and a stocked aid station

Mostly downhill course on the Virginia Creeper Trail, national forest scenery, long stretches between aid stations, finish at Wolf Hills Brewery

Historic 100-mile route featuring demanding terrain, hot and humid conditions, and a strict 24-hour cutoff

Point-to-point 100K on mostly singletrack, from Port Mayaka to Hobe Sound Beach through dunes, flatwoods, hammocks, cypress domes and wet prairies.

East Coast point-to-point trail 50K with around 12,000 feet of climbing, steep descents, and summit ridgeline views.

Crushed gravel 5-mile loops with subtle elevation, limited shade, intense daytime sun, and nighttime darkness; elimination after each hour loop

Rugged forest terrain on sections of the Sheltowee Trace in Daniel Boone National Forest, with a low-key backcountry atmosphere.

50k loop in Old Fort linking established and newer singletrack, notable descents and occasional gravel in a scenic Blue Ridge setting.

Rugged 60km night run through rocky trails and river landscapes of Pedernales Falls State Park, featuring Texas Hill Country scenery under the stars.

Point-to-point 300–350 mile trek from a mystery start, self-navigated over highways and byways with maps, limited supplies, and 10 days to finish

Scenic lakeside and woodland trails through rolling terrain in Midlothian, Virginia with a 4.167-mile Backyard Ultra loop under open skies

Hybrid-format ultramarathon featuring elements of the former Arkansas Backyard Ultra Championship