Ozark Highlands Endurance Run

Spirit of Syllamo returns to Misty Mornings in Norfork, Arkansas for a rugged trail challenge with three distances: 100 miles, 35 miles and a 10k about 9 miles. Expect rocky singletrack, punchy climbs and river crossings for a true ultra.

Run scenic Ozark trails along Lake Norfork at David's Trail Endurance Run, offering 7K, 25K and 50K options for runners of many abilities. Proceeds support trail expansion and courses deliver rugged single track, big climbs and a true backc..

Sylamore Trail Run on February 14, 2026 in Allison Arkansas at Angler's White River Resort offers rugged 50K and 25K out and back courses on scenic river trails. Expect stream crossings and big views.

Three Days of Syllamo is a three day ultrarunning stage in the Ozarks on rugged singletrack with one, two or three day entries. Expect rocky climbs, creek crossings, dense forest and rustic camping for a scenic, challenging ultra getaway.

Cotter Bridge Ultra in Cotter, Arkansas offers repeating lap timed races of 1, 3, 6 and 12 hours on a mostly flat, scenic White River course. Family friendly with camping, swimming, food, and custom awards.