Ultramarathons in Arkansas, United States

Rolling course through Ouachita National Forest on Forest Service Roads, night run under the stars, start at historic Camp Ouachita Girl Scout Camp

Continuous 5K loop format with 50 mile, 100K, and 100 mile options, focused on steady pacing, consistency, and fully stocked lap aid.

Scenic Ouachita Mountains route featuring forest roads, rugged jeep trails, and 12,000 feet of elevation across runnable, deceptively tough hills

Overnight team relay covering 205 miles from Eureka Springs through the Ozark National Forest and five state parks, finishing at Prairie Grove Battlefield

Point-to-point course on the Ozark Highlands Trail with significant ascents and steep climbs through remote Arkansas wilderness

Two distinct Mt. Kessler loops - one easy, one tough—on singletrack trails with 24 (+1) hour team or solo relay options in Fayetteville, Arkansas

Lake Bennett loop course in Woolly Hollow State Park, team-based format, six-hour distance challenge

Rocky Arkansas singletrack on the Back 40 Trails, featuring dirt paths, roots, ravines, scenic bridges, and waterfalls in Bella Vista

3.1-mile varied trail loop completed hourly, flexible distance and pacing, supportive atmosphere with no DNFs or penalties

3.1-mile varied trail loop completed hourly, flexible distance and pacing, supportive atmosphere with no DNFs or penalties

Rugged, technical trail loops in Allsopp Park South, winding through areas known for Sasquatch lore and legendary sightings

Paved out-and-back 4.167-mile loops along 8 Mile Creek Trail, no street crossings, 12 and 24-hour last participant standing format in Paragould, Arkansas

Overnight ultra on a flat looped course, with aid every lap, after-dark atmosphere, and a challenge shaped by hours, rhythm, and the night

Loop course on the Shores Lake/White Rock section of the Ozark Highlands Trail, 15-mile loops with over 3,500 feet of elevation gain each

Rugged mountain trails and steep ascents through the scenic Sylamore Ranger District, challenging terrain in the Ozark National Forest

Ozark 50K course with nearly 5,000 feet of elevation change, single and double track trails along Lake Norfork, and variable winter conditions

Team-based trail course at The Silos Barn featuring fitness and strength tasks each lap, with one participant on the trail per team at a time

Out-and-back 50k along the White River with 14.5 miles of trail, a mile of pavement, and two water crossings near the 2-mile and 30-mile marks.