Trail Running calendar near Glen Rock 2026-2027

Event Information The River's Edge Endurance Challenge takes place in Brunswick, Maryland. The event is the 8th annual edition and offers three different race distances. Distances 5K (3.1 miles) 3 Hour Endurance Race 6 Hour Endurance Chall..

Experience the beauty of RB Winter State Park with a half marathon or four mile trail race. Enjoy a community atmosphere with post race food and music while supporting local organizations.

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.

Join a community 5K run and walk through the scenic trails of Agricultural History Farm Park. Enjoy a morning of music and fitness with events for all ages and awards for top finishers.

Run or walk through the rolling hills above French Creek at Camp Innabah. The five-mile trail race offers a mix of surfaces, while a two-mile fun walk is also available. All proceeds support summer camp programs and scholarships.

Run-A-Muck at On Point Farm offers a 5K run or a cross-country muck walk with food, live music, family activities, sensory bags for accessibility, and proceeds that support preservation of the Willistown countryside.

Experience a technical trail race through the historic Glenroy Preserve. Choose between five mile, 25K, and 50K loops featuring creek crossings, rolling hills, and post race celebrations.

A 50K trail ultramarathon around Blue Marsh Lake near Reading PA with rolling hills, single track, seven aid stations and a strict nine hour time limit. Relay teams of two to four split the course into four legs and there is a post race buf..

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 Bretton Woods Recreation Center on October 11, 2026 featuring a 5K run and 1 mile walk to raise funds for addiction prevention, education and support; registration opens March 24, fee $30.

Trail race at Lums Pond State Park offering 12 hour solo and relay formats plus 24 km and 12 km lake laps. Mostly single track course with aid stations, chip timing, age graded results, and event swag.

Boulder Dash at Pinesburg Quarry takes place October 17, 2026 in Williamsport, MD and includes a 5 Mile race, a 5K, and a 1 Mile fun run. Registration opens May 1, 2026 and the quarry will not be operational during 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 scenic, well-marked trail event in Patapsco Valley State Park offering in-person and virtual 50k and 25k options, Brooks shirts, five aid stations, and distinct finishers awards for each distance.

Experience a scenic 5K cross country run through the historic Rocklands Farm Winery followed by an after party with live music and wine.

A 25K single loop trail race in Ridley Creek State Park with about 1800 feet of climbing, three aid stations, and a five hour finish cutoff. The course passes Hunting Hill Mansion and includes technical ascents and descents.

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.

Experience an off-road race weekend at Yeager’s Farm & Market featuring 4 and 10 mile trail runs. Enjoy a local atmosphere with post-race beer and bagels and earn a unique long sleeve tech shirt.

An 8K cross country run at Linganore Winery in Mount Airy, Maryland on November 8, 2026. The mixed terrain course loops through grapevines and hop yards and finishers receive a complimentary tasting.