World's Fair Ultras

Ridge Runner 5k & 1 Mile Fun Run, held in Maynardville, Tennessee, takes place at Big Ridge State Park (1015 Big Ridge Park Road) along State Hwy 61 between Norris and Maynardville. In its 10th year, the event features a 3.1-mile trail run for the 5K and a 1-mile asphalt fun run. The scenic course s..

The Color Me Mutt 5K & 1 Mile Color Walk/Run is an annual, pet-friendly event held at NASCAR SpeedPark Smoky Mountains in Sevierville, Tennessee. Participants can choose between a timed 5K color run or a 1-mile fun run/walk, both featuring non-toxic color powder stations along the course. Dogs are w..

River Ridge Trail 5k is a trail run/walk held each October on the Camp Tipton trail system in Maryville, Tennessee. The race takes place at 933 Walker School Road, Maryville, and centers on honoring River Scantland, with proceeds supporting scholarships to Camp Tipton families who need assistance, u..

Firewater Ultra takes place in Greenback, Tennessee, along the East Lakeshore Trail on Tellico Reservoir. Distances include a 100K; a 50K with Sunrise and Sunset variants; a 50K Relay; and a new 25K Ruck. The course uses the end-to-end Tellico Lake trail system: the 100K runs out and back the full l..

The Norris Ultra Dam Hard Trail Race is a Knoxville Track Club event held at Norris Dam State Park in Norris, Tennessee. Runners choose between a 25k and a 50k trail race, both on single-track trails and jeep roads through Norris Dam State Park and the Norris Municipal Watershed. The 25k is one loop..

Dirty South Trail Races take place at Mead's Quarry near Ijams Nature Center in Knoxville, Tennessee. The event includes a Half Marathon (13.1 miles), a Trail 10K, and a Kids Trail Mile. The 13.1-mile course winds through Forks of the River Wildlife Area, William Hastie Park, Marie Myers Park, Ross..