Trail Running calendar near Arnold 2026-2027

A half marathon and a 10K at Lums Pond State Park on 09/06/2026 using Little Jersey and Swamp Forest trails. Routes include single track and wider trails and have a relatively flat elevation profile.

Experience the 15th annual Sasquatch Preservation Trail Run in Seven Valleys. Choose between the 5K or 10K courses and explore the natural landscapes preserved by the Farm and Natural Lands Trust.

Run a scenic off road trail through a 1000 acre farm bordering the Rappahannock River. Enjoy a post race celebration at the brewery with live music craft beer and a souvenir pint glass.

A 24 hour event at Pemberton Park in Salisbury, MD where individuals and four person teams run repeated 5K loops. Scoring is point based with bonuses for night runs, placing points, and awards for top individuals and teams.

Trails 4 Tails at Codorus State Park offers a 40 mile ultra, a team relay and a 25K on a looped trail course that mixes pavement, fields, singletrack and shoreline, with aid stations, camping and a race day picnic nearby.

Three trail distances near Pine Grove Furnace State Park in Gardners, PA, featuring rocky single track, ridgelines, and multiple aid stations with varied nutrition options. Courses use trails in the northern Michaux State Forest.

An in-person event on September 26, 2026 in Brunswick, MD featuring a trail-based 5K and timed 3-hour and 6-hour challenges on a 5 mile loop. Proceeds support Brunswick High School Track and Field equipment.

Cancer Warrior 5K on September 26, 2026 is a community running event supporting cancer research. The day includes an after party at Independent Brewing, raffle items from local sponsors, and a ghost runner option for remote participants.

Experience the oldest trail race in the county with 10 miles of rocky terrain, steep hills, and river views. This historic event offers a technical point to point course through the scenic landscapes of Eastern Pennsylvania.

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.

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.

Trail races at Glenroy Preserve on October 4, 2026 offering 5 mile, 25K, and 50K loops with mixed and technical terrain, multiple creek crossings, four aid stations, chip timing, and post-race refreshments.

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 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-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.

Trail running at Lums Pond State Park with 12 hour solo and relay formats plus 24 km and 12 km lake laps. The course mixes single track, gravel and wider trails, features aid stations, chip timing and age graded results.