Trail Running calendar near Knoxville 2026-2027

A backyard ultra at Mustang Trailhead where runners must complete an hourly 4.167 mile loop to continue. Options include a 24 hour 100 mile limit or a 12 hour 50 mile After Dark event with a single shared aid station.

A 12 hour ultramarathon at Spring Meadows Park in Boiling Springs, PA, run on a 1.4192 mile lightly rolling dirt and crushed rock loop. Solo and team entries count toward buckles and hoodies based on cumulative laps.

A 31.9-mile trail ultramarathon at Cowans Gap State Park featuring about 5,800 ft of elevation change on the Tuscarora Trail, seven aid stations, and two time cutoffs; prior ultramarathon completion is required for entry.

A four-date series of 10K trail runs in the Pickall Area of Patapsco Valley State Park from May 6 to May 27, 2026, with running time results and options to enter single dates or the full series.

A backyard ultra in Knoxville, Maryland where runners complete a 4.167 mile yard each hour until only one finishes. The event includes a 1-mile option, offers prize money for top finishers, and serves as a Backyard Ultra qualifier.

Test your endurance at Operation CENTURION on the Rock Creek Trail near Washington D.C. Complete ten 10 mile loops for a total of 100 miles within a 32 hour time limit.

Trail run and walk on May 30, 2026 at Gentle Giants Draft Horse Rescue in Mt. Airy, MD featuring 1 mile and 5K courses across forest trails and open pasture with draft horses on the farm.

A loop race at Sky Meadows State Park on May 31, 2026, offering 5 km and 10 km in-person distances plus virtual entry options, with a scenic course around Turners Pond featuring fields and streams.

Experience the FXBG Trail 5 Miler at Motts Run Reservoir in Fredericksburg. This five mile trail race features three distinct climbs and over 300 feet of elevation gain along a scenic and flowing course.

A measured 100 mile loop through the Massanutten Mountains near Fort Valley, Virginia, featuring 14 significant climbs and mixed terrain. Runners have 24 hours to earn the silver buckle and 28 hours to finish.

A longstanding five-mile memorial run on the C&O Canal Towpath in Williamsport, MD, held June 6, 2026, with regular and student entries, chip timing, technical T-shirts, and awards for podium finishers.

A community trail event at Opossum Lake Park offering a 6 mile obstacle course, a 4 mile run, and a 4 mile walk on mixed terrain, with chip timing, age-group awards, and proceeds benefiting the Friends of Opossum Lake Conservancy.

Trail races in Colonel Denning State Park and Tuscarora State Forest offering a 15K with about 2,700 feet elevation and a 25K with over 4,000 feet. Aid stations are on course and entries are limited to 120 participants.

A community team race at Burke Lake Park on June 6, 2026 featuring a 5K race and a 2K walk and roll that raises funds for services and advocacy for people with intellectual and developmental disabilities.

Trail Trotters 5K & Fun Run at Promise Landing Farm in Upper Marlboro offers a farm-trail 5K and a fun run to support the farm's riders and programs. The event includes free parking, a shirt deadline of May 16, no pets, and refunds up to se..

A night trail event in Prince William Forest Park featuring a 50 mile race made of two 25 plus mile loops, plus 25 mile and 10 mile options. The course is mostly single track with staffed aid stations and defined crew and pacer rules.

A chip timed 5k at Corteau Vineyards in Mechanicsville, Maryland on June 13, 2026, featuring vineyard scenery, a t-shirt, collapsible wine glass, finisher medal that doubles as a wine stopper, and an on-site wine pour.

A community 5K and 1 mile Fun Run in Warrenton, VA that raises funds for Fauquier Education Farm, a 501(c)(3) that advances agricultural education and donates its harvest to local food banks.

The Husky Run 5K is a 5K running race on June 14, 2026 at the Ma and Pa Trail Williams Street trailhead in Bel Air, Maryland. Registration runs from March 27 to June 10 with a $20 fee.

A Juneteenth trail event in Germantown on June 19, 2026 offering 6K and 12K courses around Button Farm and the Schaeffer Farm Trails, with virtual options and tiered registration fees.