Trail Running calendar near Clayton 2026-2027

Experience the Oktoberfest of trail running at Pennypack Park in Philadelphia. Enjoy a fast runnable course with distances of 25K 50K and 50 miles featuring German snacks accordion music and a festival atmosphere.

Test your endurance at this IAU Bronze Label event on a certified 400 meter track in Sharon Hill. Choose from 12 or 24 hour timed races and 50K distances in a cupless and supportive environment.

Experience a trail run through the hills and woodlands of ChesLen Preserve with a 5K race or 2 mile fun run. Enjoy a post race celebration featuring live music, food trucks, and craft beer at the pavilion.

A 20th annual 5k trail run through shaded dirt trails at the Rutgers Ecological Preserve on May 9, 2026, with proceeds supporting forest restoration and the Ecology and Evolution Graduate Student Association; prizes include shoes and native..

Trail races at Voorhees State Park on May 16, 2026 offering a 50k in five laps with UTMB index status and a 10k, both on marked trails with aid stations, on course amenities, and finisher medals.

Experience the Conestoga Trail and Kelly's Run Nature Preserve with 5K, 10K, and kids trail races featuring river views and creek crossings in Holtwood.

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.

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.

Experience a mix of road and single track trails at this Memorial Day Weekend event featuring a half marathon and a 5K. Test your skills on the rocky Plowville Section to support the Berks County Special Olympics.

The Tatum Classic is an inaugural trail race at Tatum Park in Middletown Township, NJ, run on a 4.75 mile repeatable loop with 1 lap, 30 kmish and 50 kmish options. Proceeds support MissionCleanWater's sustainable clean water projects.

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.

Goliathon is a non-profit, family-friendly ninja warrior style obstacle course run in Mullica Hill NJ. The roughly 4 mile course has 12 tiered obstacles with individual and team scoring across G1, G2 and G3 levels.

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.

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.

An annual June trail event at Paradise Farm Camps in Downingtown PA featuring a 5 mile 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.