Trail Running calendar near Knoxville 2026-2027

An annual community 5K run and walk at Agricultural History Farm Park in Derwood, Maryland on September 27, 2026, organized by MD District 15 Democratic Caucus. Offers adult and youth entries plus a free youth option with an accompanying ad..

Experience the full reservoir trail system on this thirteen mile course in Fredericksburg. Runners navigate flowing singletrack and five distinct climbs totaling over nine hundred feet of elevation gain through scenic wooded terrain.

A 110 miles trail ultramarathon in the Massanutten range with 22,300 feet of climbing and a 48 hours limit. The reverse MMT route uses rugged singletrack, includes two climbs of Waterfall, and requires crew support for the second half.

Trail canicross races at Caledon State Park offer two distances, allow leashed dogs, and provide a reusable speedCup; entry fees support Friends of Caledon State Park.

A 12 hour trail run at Prince William Forest Park featuring a 6.5 mile figure eight loop on single track and fire road, two aid stations, and options for solo or two person relay teams.

A trail 5K at Claude Moore Park on October 3, 2026, featuring forest and leaf-covered trails, part of the Run Your PRCS Parks timed series, with in-person and multiple virtual entry options.

Experience a unique trail run through 1600 acres of former prison grounds at Laurel Hill Park. Choose between 5.4 or 10 mile distances on scenic singletrack featuring historic guard towers and open meadows.

A trail-based event at Pohick Bay Regional Park on October 4, 2026, offering in-person 5K and 10K races plus virtual options with different medal and shirt choices.

Experience a unique trail event at Milkhouse Brewery in Mount Airy featuring a 5 mile race and timed ultra challenges. Complete as many loops as possible over four or eight hours on this scenic farm course.

A trail event at Rocky Gap State Park on October 11, 2026 featuring three looping trails with varied terrain and elevation. Options include 25K, 50K, and relay teams of two or three with on-course and base camp aid stations.

A community trail event on October 11, 2026 at Bretton Woods Recreation Center in Darnestown, MD offering a 5K trail run and a 1 mile walk. The event raises funds and awareness for addiction prevention, education, and support.

A technical trail 10K at Black Hill Regional Park with rocky and rooty terrain. The race is part of a low key series, free for club members and available to non members for a fee with on site bib and chip pickup.

Running event at Pinesburg Quarry in Williamsport, MD on October 17, 2026 offering a one mile fun run, a 5K, and a 5 mile race. The course runs in and around the quarry which will be closed for the event.

Timed trail event at Shenandoah River State Park where runners complete as many 3.48 mile loops as possible in 3, 6, 12, or 24 hour options. Supported aid, a hoodie, finisher awards, and a special 100 mile award are included.

A scenic, flat 5K and 10K at Bluemont Park in Arlington on October 17, 2026, with in-person and virtual entry options. Walkers and strollers welcome and tiered registration pricing applies.

Experience the scenic singletrack trails of Lake Fairfax Park with 5 mile and 10 mile race options. Enjoy a community atmosphere with post race breakfast and a dedicated program for children.

GPS Big Gunpowder Trail is a 5.25 mile trail race at Gunpowder State Park in Kingsville on October 18, 2026. The course includes a steep start, downhill and single track sections, and entry is donation based with race day registration avail..

A trail ultradistance event in Patapsco Valley State Park near Baltimore on October 24, 2026, offering 50k and 25k distances plus virtual options through November 24. Race headquarters is at CCBC Catonsville, with aid stations and finishers..

A marked trail competition in Prince William Forest Park offering a 25 km one loop and a 50 km two loop option with on course aid stations. Entry opens September 15, 2026 and the field is limited to 110 runners.

Trail races at Conway Robinson State Forest on October 25, 2026, offering 5K, 10K and several virtual options with medal and shirt choices; walkers are welcome.