Trail Running calendar near Philadelphia 2026-2027

Experience a 5K trail run through Jacobsburg State Park in Nazareth. Support the Wreaths Across America project while competing for speed or participating in patriotic and holiday themed costume contests.

Support youth mental health at this fast and flat out and back 5K along the Lebanon Valley Rail Trail. Enjoy a community atmosphere featuring cash awards for top finishers and prizes for the best twinning outfits.

Join the fifth annual Green Traill event in Easton, PA. It features a timed 5K run, a 2-mile walk, and a free Kids Fun Run. The volunteer-led event supports the preservation of Easton Cemetery.

Experience a scenic 5k trail run at Parvin State Park featuring State Police unit displays and a flyover. Support student scholarships and troopers in need while enjoying a day of community and outdoor activity.

A weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..

A community trail series at Haverford Reserve in May and June featuring two 5K races and a 1 mile trail walk. Event proceeds support trails in Haverford Township and registration is handled online.

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.

Looped trail races in South Mountain Reservation offering distances from a kids 1-mile to a 50-mile ultra, with aid stations roughly every five miles and proceeds supporting the South Mountain Conservancy.

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 weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..

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.

A weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..

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 weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..