Trail Running calendar near Spencer 2025-2026

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 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 Lula Lake Trail Blazer is a trail running event held at Lula Lake Land Trust on Lookout Mountain, GA, featuring 10K, Half Marathon, 50K, and a new 1-mile Kids Race for ages 12 and under. The courses showcase Lula Lake’s scenic trails, waterfalls, and bluff overlooks, with elevation gains ranging..

The Bad Beard Events River Gorge Trail Race, held near Chattanooga, Tennessee, offers three challenging distances: 6.5, 10.2, and 20 miles. Set in the scenic Prentice-Cooper Wildlife Management Area, the course features technical single-track trails through Mullens Cove and Pot Point loops, showcasi..

Cohutta Madness is an endurance trail running event held near Chatsworth, Georgia, featuring timed loop races around Lake Conasauga, the highest lake in Georgia. Participants can choose from 4-hour, 8-hour, or 12-hour race options, running as many miles as they wish within their chosen time frame. T..

The Circle Endurance Event is a challenging ultra running race held at Ringgold High School in Ringgold, Georgia. Participants can choose from 3, 6, 12, or 24-hour durations, running continuous laps on a track to cover as much distance as possible within their chosen time. The event emphasizes strat..

The Fall Creek 100 is an ultramarathon event held in Spencer, Tennessee, featuring 50k, 100k, and 100-mile distances. The course showcases the scenic Fall Creek Falls State Park, including suspension bridges over Cane Creek Falls and Piney Creek Falls, overlooks of the 256-foot Fall Creek Falls, and..

The Fiery Gizzard Run, held at Foster Falls State Park in Tennessee, features marathon, half marathon, and a 13-mile ruck-only event. The course is recognized as one of the Top 25 Trails in the US, showcasing waterfalls, rock formations, and scenic overlooks. Marathon runners complete the trail twic..

The Tennessee Mile is a challenging looped trail race held on private land near Franklin, Tennessee, featuring a 1.1-mile course with 340 feet of elevation gain. The route includes two steep climbs, runnable sections, and a downhill stretch through a field to the start/finish area, following a wide..

The Cloudland Canyon 50 is a trail running event held at Cloudland Canyon State Park in Rising Fawn, Georgia. It features multiple race distances including a 50-mile, 50K, 25K, and 5-mile run over a scenic and challenging course. The 50-mile race offers approximately 6,500 feet of elevation gain wit..

The Lookout Mountain Trail Race, held at Covenant College atop Lookout Mountain, Georgia, features challenging courses through scenic single-track trails. The event offers three distances: a 50-mile ultra, an 18-mile race, and a demanding 10K. The 50 and 18-mile routes share much of the course, whic..

The MAD Backyard Ultra is a challenging endurance race held annually at Camp Jordan Park in East Ridge, Tennessee. Participants must complete a 4.167-mile loop every hour, on the hour, with a strict one-hour time limit to advance. The course is flat, runnable, and non-technical, featuring trails, gr..

The Snow Bull 6/12 Hour Endurance Runs take place at Camp Chet in Whitwell, Tennessee, set on nearly 1,000 acres of private forested land on Whitwell Mountain, part of the Cumberland Plateau. The event features a challenging 5-mile loop course combining single and double track trails, grass fields,..

The Black Toe Run is a challenging 12- or 24-hour trail running event held at Hardin Farm in Watertown, Tennessee. Participants run on a roughly 5-mile loop featuring about 1,000 feet of vertical gain, either solo or in teams of two or four, aiming to complete as many laps as possible within the tim..

Gone Loco is an endurance running event held in Athens, Tennessee, featuring distances of 33 miles (55k), 11 miles, and an 11-mile ruck option. The race takes place on the scenic Eureka Trail, a flat, gravel path converted from a former railroad bed, offering runnable terrain through woodlands, rura..

The River to Clouds Trail Run is a thrilling trail running event held at Ross' Landing, Riverfront Parkway in Chattanooga, Tennessee, featuring challenging courses on Lookout Mountain. Participants can choose from a 100-mile, 50-mile, or a 27-mile "Barely Ultra" race, with options for relay teams as..