Trail Running Calendar Tennessee 2025-2026

The West Tennessee Trail Run is an annual event held at International Harvester Managerial Park in Lakeland, TN. It features a 3-mile trail run/walk and a 1-mile fun run/walk, promoting stormwater education and showcasing green infrastructure efforts in West Tennessee. Participants can enjoy a Water..

The Big South Fork Trail Race, held in Oneida, Tennessee, takes place at the Bandy Creek Campground within the Big South Fork National River and Recreation Area. The event features two distances: a challenging 17.5-mile out-and-back loop starting at the John Litton General Slavens Trailhead, and a 1..

The Wolfman Trail Race and Duathlon take place in Memphis, Tennessee, featuring multiple distances including 21, 14, 7, and 3-mile trail runs, as well as an individual duathlon with a 6-mile bike and 3-mile run course. All events start and finish under the Walnut Grove Bridge near the BMX Track, uti..

The Horton Trail Race is a family-friendly nighttime running event held at Shelby Farms Cross Country Course in Memphis, Tennessee. It features a 2K Fun Run and a 5K Trail Race, both designed to accommodate runners of various ages and skill levels. Participants can choose between options that includ..

Little Dog's Backyard Ultra, held in Bell Buckle, Tennessee, is a historic and iconic event in the backyard ultra running community. Known as the birthplace of the Backyard Ultra format and the site where the World Championship is decided, the race features a 4.1667-mile loop that runners repeat eve..

The Long Hunter Trail Runs take place in Long Hunter State Park near Nashville, Tennessee, offering 50K, marathon, and half marathon distances. The courses loop around Couchville Lake and include trails such as Bryant Grove, Cliff Trail, and Jones Mill, with the half marathon featuring the Inland Tr..

The Chattanooga Mountains Stage Race is a challenging three-day trail running event held in the scenic mountains around Chattanooga, Tennessee. Covering a total of 60 miles, the race features a 20-mile run on Signal Mountain, an 18-mile point-to-point course along the Cumberland Trail by North Chatt..

The Cotton Pickin 50K is a certified ultramarathon held in Mercer, Tennessee, starting and finishing at the historic Mercer Cotton Gin. The course features a mix of rolling hills on blacktop roads during the first half, transitioning to a very flat terrain of gravel and blacktop roads in the second..

The Walking Tall 50/25K is a trail running event held at Big Hill Pond State Park in Pocahontas, Tennessee. Scheduled for October 18, 2025, it offers two distances: a 50K (31 miles) and a 25K (15.5 miles), primarily on single-track trails with minimal park road sections. Unique features include clim..

Big Dog's Backyard Ultra is an elite ultrarunning event held annually near Bell Buckle, Tennessee, on the Big Trail. Scheduled for the third Saturday in October, it serves as the Individual World Backyard Ultra Championships, attracting top backyard ultra athletes worldwide. Participants qualify by..

The FSR 100 is a challenging 102-mile mountain road race held in Copperhill, Tennessee, featuring a loop through the Tennessee and North Georgia mountains. With nearly 15,000 feet of elevation gain, the course offers rugged mountain views, rivers, and vibrant fall colors, making it ideal for mountai..

The Sewanee Slammer is a 20-mile trail race held in Sewanee, Tennessee, featuring a scenic loop along the Perimeter Trail at the University of the South atop the Cumberland Plateau. Runners experience beautiful overlooks, geologic features, lakes, ponds, and upland deciduous forests. The course star..

The No Business 100 is a challenging 102-mile trail ultramarathon held annually in October, starting and finishing at Pickett CCC Memorial State Park in Jamestown, Tennessee. The single-loop course traverses the scenic and remote Big South Fork National River & Recreation Area, crossing between Tenn..

Firewater Ultra is a trail running event held in Greenback, Tennessee, featuring multiple race options including a 100K, 50K (with Sunrise and Sunset starts), a 50K two-person relay, and a new 25K ruck race. The races take place on the scenic East Lakeshore Trail along the Tellico Reservoir, known f..

The Nashville Running Company's Shelby 6 Miler is a flat, fast trail race held in Shelby Park, East Nashville. Starting and finishing at the historic Cornelia Fort Airpark, the course features well-groomed primitive trails, making it ideal for first-time trail runners or those aiming for a personal..

The Natchez Trace Trail Run, held in Franklin, Tennessee, offers a scenic and challenging trail running experience along the historic Natchez Trace Trail. Scheduled for November 1, 2025, the event features multiple distances: a 50-mile out-and-back, a marathon, a half marathon, and a 13-mile rucking..

The Norris Ultra Dam Hard Trail Race, held at Norris Dam State Park in Norris, Tennessee, offers challenging trail running events of 25k and 50k distances. Scheduled for November 1, 2025, the race courses feature single-track trails and jeep roads across Norris Dam State Park and the Norris Municipa..

The Urban Nature 10k in Chattanooga, TN, offers a unique running experience combining urban roads and scenic trails. The 10K course is split between North Chattanooga streets and the natural trails of Stringers Ridge, providing a challenging and diverse route. The race starts and finishes at Coolidg..

The Barn Creek Backyard Ultra is a challenging ultramarathon held in Jamestown, Tennessee, featuring a 4.167-mile out-and-back loop through private wooded property near Colditz Cove State Natural Area. The course combines gravel, road, and trail surfaces with under 300 feet of elevation gain, crossi..

The Mamba 100 in Memphis, TN, is a premier ultramarathon event featuring distances of 100 miles, 100K, 50K, and 25K. The race takes place on a fast, scenic 14.35-mile loop along the Wolf River, primarily on single-track trails with low elevation gain, designed for speed and fun. The event offers a v..