Trail Running calendar near Wilmington 2026-2027

Experience the scenic beauty of the Brandywine Valley through forests and farmland. Choose between 10k, 25k, and 50k distances in this part of the USATF Mid Atlantic Off Road Series.

A four-date series of 10K trail runs in the Pickall Area of Patapsco Valley State Park from May 6 to May 27, 2026, with running time results and options to enter single dates or the full series.

Tough Mudder Philly on May 23, 2026 at Plantation Field near Coatesville, PA offers 5K and 15K obstacle courses, an Infinity multi lap format, a Mudder Village spectator area, and finisher medals, shirts, headbands, and a finisher drink.

A trail and road mix half marathon and an all trail 5K centered at Sleepy Hollow Athletic Club. Both races run largely on the Horse Shoe Trail and support Berks County Special Olympics.

A four-date series of 10K trail runs in the Pickall Area of Patapsco Valley State Park from May 6 to May 27, 2026, with running time results and options to enter single dates or the full series.

A community 5K and one mile walk in Lewes, Delaware, honoring children affected by cancer and supporting Rylie’s Smile Foundation. In person and virtual options are available with race souvenirs, post race refreshments, and awards.

A summer half and full marathon through shaded sections of Pennypack Park alongside Pennypack Creek, with disposable chip timing, multiple aid stations, finisher medals and a German-themed post race party at Ed Kelly Amphitheater.

A non-profit, ninja-warrior style obstacle course run in Mullica Hill, NJ featuring a roughly 4-mile course with 12 tiered obstacles, team scoring by obstacle tiers, and proceeds supporting clean water projects.

Join a unique non competitive group run along the D&R Canal Towpath with various distances and pace groups. Support the Rutgers Cancer Institute while running in a guided train formation to a celebratory picnic.

Experience a timed ultra marathon on technical single track trails in the Blue Mountains. Run as many 3.5 mile loops as possible through the shaded landscapes of the Bashore Scout Reservation.

A free, timed 5K trail run at Crystal Lake Park on June 6, 2026, with a technical course of about 300 feet of elevation gain and a 40-runner field limit. Awards and a midway water station are provided.

A trail event in Wissahickon Valley Park on June 6, 2026 offering a 10K race and a 1 mile family nature walk. Proceeds support Friends of the Wissahickon for trail and watershed stewardship.

The Run for Woods 5K will take place in Langhorne Manor on Sunday 7 June 2026.

An annual trail event on June 11, 2026 at Paradise Farm Camps in Downingtown featuring a five mile trail run, a 5K and a 1.5 mile family walk or run, with all proceeds supporting East Bradford Township public trails.

Experience a unique endurance test at the Wildlands Conservancy South Mountain Preserve featuring a last person standing backyard ultra a nighttime trail lap and a non alcoholic beer mile.

Join the 24th Dewey Beach Patrol 5k in Delaware for a series road race ending with a post-race party on the bay. This chip-timed event offers categories for both runners and competitive walkers.

The Husky Run 5K is a 5K running race on June 14, 2026 at the Ma and Pa Trail Williams Street trailhead in Bel Air, Maryland. Registration runs from March 27 to June 10 with a $20 fee.

Four Tuesday evenings of cross country racing at Grove 4 in Donaldson Park offering 5k, 2.5k and youth distances. Series and single race entries have tiered fees with member and youth discounts plus post race food and awards.

A night trail relay in Paradise, PA where teams pass a baton and collect glow rings to count loops. Runners aim to complete as many 1 mile loops as possible in a 3 hour 24 minute timed period; headlamps recommended.

Experience a scenic 5 mile trail run through Lancaster County Central Park featuring grass paths and water crossings. Compete for age group awards and enjoy a post race prize raffle in a beautiful natural setting.