Trail Running calendar near Middle River 2026-2027

Participate in a 10 km run through the scenic Black Hill Regional Park in Boyds. This low key event offers a straightforward racing experience for both club members and the general public in a natural park setting.

Harvest Hills on October 17, 2026 features 5K, 10K and a half marathon at Laurel Hill Park in Lorton, VA. Walkers are welcome and virtual entry options are offered with medal and shirt choices.

The Annual Boulder Dash at Pinesburg Quarry in Williamsport, MD on October 17, 2026 offers three distances : 5 miles, 5K and 1 mile, and the quarry will be closed during the event for safety.

A scenic, flat 5K and 10K at Bluemont Park in Arlington on October 17, 2026. Walkers and strollers are welcome and virtual race options are available with and without medals and shirts.

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.

A donation-funded *5.25 mile* trail race at Gunpowder State Park on October 18, 2026, featuring a steep early climb, downhill sections, and single-track trail. No registration fee and race day registration is available.

Trail ultramarathon at Patapsco Valley State Park offering 50k and 25k distances with in person and virtual options. Participants receive a Brooks event shirt, on-course aid stations, and a hand-thrown mug or finishers medal.

Trail races at Parvin State Park offer a half marathon and a 6 hour lap event on a mostly trail lollipop loop. The event is cupless and uses an aid station at the start and finish.

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 race in Pottstown, PA offering 15k and 30k on technical park trails with rocks, roots and varied single and double track. Aid stations provide fruit, packaged snacks and hot options; custom and self supported fueling is allowed.

Trail 5K and 10K at Conway Robinson State Forest in Gainesville, VA on October 25, 2026. Walkers are welcome and virtual entry options with medals or shirts are available, with fees that vary by registration date.

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.

A single-loop **25K** trail race at Ridley Creek State Park in Glen Mills, PA, featuring about 1800 feet of climbing, technical single-track terrain, three aid stations, a five hour cutoff, and awards for top finishers.

The 5th Annual Mackyard Ultra is an ultramarathon hosted by the Baltimore Road Runners Club at Shawan Downs in Cockeysville on October 31, 2026. Entry is $20 and the field is limited to 100 runners with pre registration on RunSignUp planned..

A Halloween-themed 5K and 1 Mile at Arasapha Farms in Glen Mills that benefits the Edgmont Township Fire Company No.1, with timed 5K results, commemorative shirts, safety costume rules, and a monster costume contest.

A charity trail event at Gifford Pinchot State Park featuring a 5k run and a 3.5k walk with dog-focused awards, proceeds supporting canine cancer research, and a free children's dash for ages 10 and under.

Experience a mix of twisty singletrack and open farm field running in Germantown. This late autumn trail event offers three distances and a festive post race atmosphere at the historic Button Farm.

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.

A six hour trail endurance challenge in Coatesville where participants run a 5K every hour for up to six rounds. Finishers earn patches or a medal and results feed a national leaderboard with championship prizes.