Trail Running calendar near Reston 2026-2027

Experience a technical trail race with your dog at a scenic equine rehabilitation facility in Virginia. Enjoy distances from 1.25 miles to 10K followed by a finishers festival with food trucks and a biergarten.

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.

Trail races at the Workhouse Arts Center in Lorton VA on October 4, 2026. Options of 5.4 or 10 miles on mostly singletrack through forest and meadow across the former prison grounds.

A fall trail event at Pohick Bay Regional Park offering 5 km and 10 km race options plus virtual entries; walkers are welcome and multiple registration tiers are available.

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-based community event on October 11, 2026 at Bretton Woods Recreation Center featuring a 5K run and 1 mile walk to support the Michael Long Memorial Fund and addiction prevention and recovery services.

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.

A trail run at Lake Fairfax Park in Reston, VA offering **5.1 mile** and **10 mile** singletrack courses with lake views, short technical sections, on-site bathrooms, a kids program, race swag, and optional finish medals.

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 Park in Gainesville, VA on October 25, 2026 offering 5 km and 10 km courses plus virtual options with medal and shirt choices.

Scenic 5K through vineyard and farm at Rocklands Farm Winery with chip timing, age group awards, and a post-race wine tasting with live music. Walkers and children are welcome and a one hour course time limit applies.

Trail running in Green Ridge State Forest near Little Orleans, MD, with 50K and 25K options. The 50K is about 31.95 miles out-and-back with seven aid stations; the 25K mixes technical trail and forest service roads.

Trail races at Button Farm in Germantown, MD on November 7, 2026 feature twisty singletrack and open farm fields, with distances of 13.5, 6.7 and 3.2 miles. The event includes aid stations, portajons, finisher medals and post-race food.

Experience a 50 mile trail race through the scenic Seneca Greenway and Muddy Branch trails in Maryland. This event features forested single track terrain and small stream crossings for dedicated distance runners.

Run Through the Grapevine is an 8K cross country race at Linganore Winery in Mount Airy, Maryland on November 8, 2026. The course runs through vineyard rows and adjacent hop yards, and all finishers receive one free winery tasting.

Trail races of **50K** and **20K** loop Rosaryville State Park single track in Upper Marlboro, MD, with two aid stations, a drop bag area, participant limit, and post race food and festivities.

Trail races at Hemlock Overlook in Clifton, VA offer two loop options, 5.2 miles or 9.5 miles. The course follows hiking trails, dirt roads and fields along Bull Run and includes designated spectator areas and park facilities.

A pre-Thanksgiving event at Barrel Oak Winery and Brewery offering in-person 3K and 6K races plus several virtual options; walkers and leashed pets are welcome and registration fees vary by entry type.

A trail 25k in Queen Anne, Maryland on November 21, 2026. Mostly single track with runnable hills, three aid stations, food options, and awards for the top three men and women.