Trail Running calendar near Thornton 2026-2027

A summer half and full marathon on a shaded bike path through Pennypack Park with multiple aid stations, disposable chip timing and a German-themed post race party. Finishers receive medals and preregistered runners are guaranteed a 1/4 zip..

A non-profit, family friendly ninja warrior style obstacle course in Mullica Hill, NJ with tiered obstacles G1 to G3, an approximately 4 mile course, team scoring, and tiered registration fees; proceeds support clean water projects.

A non competitive group run along the D&R Canal Towpath with paced "trains" and multiple distances. The event benefits the Rutgers Cancer Institute with a $0.50 donation per mile and offers bus starts and a picnic option.

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.

Timed 5K and 10K races on June 6, 2026 at Levee Loop Trailhead in Dansbury Park, East Stroudsburg, PA, raising funds for Stroud Region trails and parks. The event features live results, free finish photos and pool access with a race bib.

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.

The Jerseys4Kids Run Against Pediatric Cancer will take place in Bala Cynwyd on Sunday 7 June 2026.

A community trail event at Paradise Farm Camps on June 11, 2026, offering a 5-mile run, a 5K, and a 1.5-mile family walk/run. All proceeds fund East Bradford Township's public trail program and trail development.

A last person standing backyard ultra at South Mountain Preserve with a 3.4 mile loop and 350+ ft of climb over rugged terrain. The event also features an evening Blackout one loop race and a beer mile.

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 and solo runners try to complete as many loops as possible in about 3 hours and 24 minutes on a marked 2 mile course. Team batons, glow rings, headlamps and on site divisions are used.

An all-day looped trail event at Tyler State Park on June 20, 2026, with alternating-direction 5 mile trail and paved loops over an 11 hour window. Entry is $25 and Bucks County Road Runners members may be eligible for free or reduced entry..

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.

Three one mile races on track, grass and road at a single venue in Clark, New Jersey. Each mile is timed separately and cumulative times decide overall scoring, with two hours allotted to complete all three.

Test your endurance on a 2 mile paved loop at the Rodale Park 12 Hour Challenge. Cycle, run, or walk to support the development of the September 11th National Memorial Trail.

Trail runs at Rocky Ridge County Park on June 27, 2026 offering 50K, 33.3K, 16.7K and 10K on rocky, rolling trails with repeated loops. Registration deadlines apply and proceeds support a local charity.

A 10 km trail race in Nolde Forest, Reading PA, using an age graded staggered start so older and younger runners start at different times. Registration closes June 12 and the field is limited to 250 entries.

Trail races at Coventry Woods Park on June 28, 2026 include 5K, 10K, timed 3 hour and 6 hour events plus a 6 hour team relay. Courses are mostly single track with notable elevation and on-course aid stations.