Ozark Highlands Endurance Run

Spirit of Syllamo is an ultra endurance trail event held in the Norfork area of the Ozarks Highlands. The 2025 event uses a new venue and significantly modified routes after severe trail damage from a tornado and subsequent flooding. The event offers the following distance options: 100 miles 35 mi..

David's Trail Endurance Run is a challenging trail running event held in Mountain Home, Arkansas, along the scenic Lake Norfork in the Ozarks. The race offers three distances: 7K, 25K, and a demanding 50K course featuring over 5,000 feet of elevation change on a mix of single and double track trails..

The Sylamore Trail Run in Allison, Arkansas offers two trail distances: a 50K and a 25K, staged from Angler’s White River Resort along the White River. Both races are out-and-back courses with a mix of trail and pavement: the 50K covers about 14.5 miles of trail plus 1 mile of pavement, while the 25..

Three Days of Syllamo is a challenging three-day ultrarunning stage race held annually in March at the scenic Blanchard Springs Recreation Area in Fifty-Six, Arkansas. Covering approximately 94 miles over rugged singletrack trails, the event features a 50K on day one, a 50-mile race on day two, and..