October ultramarathons in Tennessee, United States

Birthplace of the Backyard Ultra featuring the iconic 4.1667-mile loop, historic venue for world record performances and legendary endurance showdowns

Trail loops around Couchville Lake and Bryant Grove, varied terrain on Jones Mill, rolling and flat sections, wildlife in a scenic state park setting

Three-day mountain stage race featuring Lula Lake’s 22-mile trail, point-to-point Cumberland Trail, and Signal Mountain’s 20-mile loop

103-mile loop with nearly 15,000 feet of elevation on rugged trails and smooth roads, mountain vistas, winding rivers, and autumn foliage

Rolling asphalt hills transitioning to flat gravel and asphalt, with cotton, soybean, and corn field views; start and finish at historic Mercer Cotton Gin.

102-mile loop starting at Thunder Rock Campground, crossing Tennessee and North Georgia mountains, nearly 15,000 feet of elevation gain, rivers and autumn views

Singletrack-heavy 50K featuring a fire tower climb, over half a mile of swamp boardwalk, scenic views, and challenging elevation

Global elite backyard ultrarunners competing in national teams for the World Championships, featuring top qualifiers from silver ticket events

3-mile trail loop at the foothills of the Smokies, 24-hour format, mountain scenery, milestone rewards in Dolly Parton's hometown

Technical 100-mile single-loop crossing Tennessee and Kentucky, over 14,500 feet of elevation gain, sandstone arches, waterfalls, historic settlements, remote, 

Scenic singletrack along Tellico Reservoir’s eastern shore, lush woods, lakeside viewpoints, out-and-back 100K, approachable terrain, peaceful backcountry vibe