October ultramarathons in Arkansas, United States

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