Trail Running calendar near Warren County 2026-2027

Test your limits in Lorton at this elite backyard marathon featuring dedicated day and night loops. With a limited field of 65 runners and a chef supported aid station, it is the perfect venue for a personal best.

A 14 mile untimed point to point trail run along the Dahlgren Railroad Heritage Trail that starts at one Sheetz and finishes at another. The event features unusual aid station snacks and practical finisher swag.

A 50 mile trail race near Clifton, Virginia on April 4, 2027, run over forested, rolling terrain in spring. Entry opens October 1, 2026; the race has a 13-hour limit and a $125 entry fee.

A timed mountain trek at Wisp Resort offering 7, 14, 21, and 28 mile loop options with a 10 hour limit; well marked trails, optional weighted vests for bonus swag, and finishers receive a shirt, patch, and medal.

A memorial running event at Piney Run Park near Sykesville offering 50K, 25K, a 5-mile loop, and an open 8-hour lap challenge with stocked aid stations.

A single-day endurance walk at Massanutten offering 7, 14, 21, and 28 mile options, optional ruck weights, and a choice of western slope or advanced ridgeline terrain.

A cross country 5K at Red Shedman Farm Brewery on the Linganore Winecellars grounds, with a technical quarter zip and one pour for finishers and on-site picnic and tasting options.

A 100 mile race along the C&O Canal towpath near Knoxville MD with a 40 mile loop plus two 30 mile loops, multiple aid stations, and a Camp Manidokan start.

A trail running event at the Agricultural History Farm Park in Derwood, Maryland, featuring lap based 3, 6, and 10 hour Challenges and a conventionally timed marathon and 25K. Volunteers receive the same finishers' swag.

Trail Demon presents scenic, technical trail races of 5 km and 10 km near Foggy Bottom Road in Bluemont, VA on May 1, 2027, with virtual entry options.

Flat marathon and half marathon along the C&O Canal Towpath at Fletcher's Cove in Washington, DC. The mostly crushed gravel out and back course offers shaded river views, aid stations, and monetary prizes for top finishers.

The SCA 5K is a cross country 5 kilometer race on natural terrain held within Shalom Dutchfest. It offers multiple age divisions with medals, ribbons, and cash prizes, and early registrants receive a complimentary t shirt.

Shenandoah Sky in Bentonville, Virginia on May 15, 2027 offers a Mountain 25K with 1700+ feet of climbing, an 8 Mile trail race, and an untimed 8 Mile hike through river, valley, and forest single track.

A 100 mile trail ultramarathon in the Massanutten Mountains featuring rocky trails, over 18,000 feet of climbing, a 36 hour cutoff, and on course support and training runs.

A 24 hour Backyard ultra on Mason Neck with a 4.167 mile loop, 100 mile limit, single aid station, and a field capped at 100 runners.

Backyard-style ultra in Knoxville MD with repeating 4.167 mile laps every hour until one remains, plus a concurrent 1 mile Mortals edition.

A night-time trail event in Prince William Forest Park featuring a 25+ mile loop run twice for 50 miles, with staffed aid stations and park-specific crew and pacer rules.