Trail Running calendar near Oak Ridge 2025-2026

We have found 23 Trailruns within 80 miles of Oak Ridge. See below where and when you can find the races.

The Sharp's Ridge Rambler is a running event taking place in Knoxville, TN, featuring a variety of races including a 10k, 4-mile run, and a Kids Trail Mile. The event is designed for participants of all ages, with special categories for students aged 14 and under. The courses are set in a scenic par..

The Three Sisters Ultra Festival, held in Maryville, Tennessee, is a trail running event featuring 24-hour, 12-hour, and 6-hour timed races, including day and night options. Set in the scenic Maryville College Woods, the course is a 2-mile loop starting and ending at the McArthur Pavilion, where run..

July 2025

The 1776 Merica event is a fun run organized by East Coast Adventures, taking place on July 4th in Greenback, TN. This event celebrates Independence Day with a choice of two distances: the full Merica at 17.76 miles or the half Merica at 7.11 miles. Participants can enjoy a festive atmosphere while..

The Haw Ridge Trail Race, scheduled for July 12, 2025, in Oak Ridge, TN, features an 8-mile trail run and a Kids Trail Mile. The 8-mile course includes early climbs and scenic views along the lake, while the Kids Trail Mile promises a fun, mostly off-road experience. Registration fees are $25 for ad..

The Cherokee is an ultra trail running event held in Tellico Plains, Tennessee, featuring two challenging distances: 70K (46 miles) and 130K (84 miles). Set in the scenic Cherokee National Forest, the course offers rugged mountain terrain with significant elevation gains—over 10,000 feet for the 70K..

August 2025

The 26th Annual Trojan Trek is a running event held in Morristown, Tennessee, at Panther Creek State Park, a scenic 1,444-acre park on the Cherokee Reservoir. The race features a certified 5K course starting at the lower soccer fields, with ample parking near the pool and playground area. Panther Cr..

The Fort Frenzy Ultra Festival is an endurance running event held at Fort Loudoun State Historic Park on Tellico Lake in Vonore, Tennessee. Featuring a scenic 3.65-mile loop trail with about 500 feet of elevation gain per lap, the course is mostly runnable and set in a state park with beautiful lake..

September 2025

The Panther Creek Challenge is a running event taking place in Morristown, Tennessee, featuring a variety of race options including a 10-mile, 5-mile, and a Kids Trail Mile. This event is designed to cater to runners of all ages and skill levels, with specific categories for students aged 14 and und..

The Barkley Fall Classic is a challenging 50-kilometer trail race held in Frozen Head State Park, Tennessee, designed to emulate the legendary Barkley Marathons. The course features rugged terrain through the Brushy Mountains with significant climbs and descents, including some iconic hills from the..

The Dirt Circuit is an ultra-running event held at Panther Creek State Park in Morristown, Tennessee, featuring a scenic 2.9-mile loop trail around Panther Creek with a mix of wide and single-track paths, fields, woods, and two wooden bridges. The race offers multiple timed options including 3, 6, 1..

The Big South Fork Trail Race is an exciting running event scheduled for September 27, 2025, in Oneida, Tennessee. Participants can choose between a challenging 17.5-mile trail race and a 10K run, both set in the scenic Big South Fork National River and Recreation Area. The course features a mix of..

October 2025

The Naturalist Trail Race in Franklin, NC, offers challenging 25K and 50K distances through historic trails once explored by William Bartram in the late 1700s. The course features significant elevation gains—over 5,500 feet for the 25K and 8,500 feet for the 50K—highlighting a tough climb from Walla..

The Blue Ridge Ultra is a challenging trail running event held in Blue Ridge, Georgia, within the scenic Chattahoochee National Forest. It offers three race distances: 50K, 30K, and 15K, all featuring rugged terrain including single-track trails, creek crossings, steep ascents and descents, and vibr..

The FSR 100 is a challenging 102-mile mountain road race held in Copperhill, Tennessee, and extending into North Georgia. Featuring nearly 15,000 feet of elevation gain, the course offers rugged mountain views, rivers, and vibrant fall colors, making it ideal for mountain running enthusiasts who enj..

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 100K and 50K distances, including a 50K relay and two 50K start options—Sunrise and Sunset. The race takes place on the scenic East Lakeshore Trail along the Tellico Reservoir, known for its well-maintained, runnable pa..

November 2025

The Norris Ultra Dam Hard Trail Race is set to take place at Norris Dam State Park in Tennessee, featuring two challenging events: a 50k and a 25k race. Both courses traverse scenic single-track trails and jeep roads within the park and the Norris Municipal Watershed. Participants can expect multipl..

The Barn Creek Backyard Ultra is a challenging endurance running event held in Jamestown, Tennessee, featuring a 4.167-mile out-and-back course through woods on private property near Colditz Cove State Natural Area. The terrain includes gravel, road, and trail with under 300 feet of elevation gain...

The Fall Creek 100 is an ultramarathon event held in Spencer, Tennessee, featuring 50k, 100k, and 100-mile race distances. The course showcases the scenic Fall Creek Falls State Park, known for its pine forests, mossy, fern-lined trails, and multiple suspension bridges crossing Cane Creek Falls and..

December 2025

The All Things Race P4v13 is a running event held in Corbin, Kentucky, at 578 Singing Hills Road. Scheduled for December 6, 2025, it features a 5K road run/walk, a 10K trail race, and a kids fun run. The race honors the legacy of Greg Deaton, a beloved pastor and camp director, and supports the Laur..