Trail Running calendar near Allentown 2026-2027

We have found 154 Trailruns within 80 miles of Allentown. See below where and when you can find the races.

EnerSys presents the Patriot Power 5K in Reading, PA with an in person event at its Global HQ and a virtual 5K option. Proceeds support Team RWB and participants receive a shirt, bib, and finisher medal.

May 2026

Run or walk a 5K trail race under the Flower Moon at Brandywine Creek State Park. This inaugural event supports local trail nonprofits and finishes with a moonrise celebration featuring s'mores and lawn games. Leashed dogs are welcome to jo..

An ultramarathon in Van Cortlandt Park featuring an initial flat lap plus ten cross country loops, stocked aid stations, drop bag access, and finisher awards including a medal, singlet, meal and post race beer.

The first annual Lawrence Hopewell Trail 5K supports a 20-mile community trail. The race course passes by two lakes and the historic Hunt House. A non-competitive one-mile Fun Run is also offered for all paces.

Run a flat one mile course in Van Cortlandt Park while wearing your own inflatable costume. This unique Bronx event supports charity and takes place during a local ultramarathon for a high energy atmosphere.

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.

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.

This community trail run on Clausland Mountain honors caregivers and supports mental health and sobriety causes. Participants take on a 3.75-mile historic course, receiving a medal in an event focused on gathering, not competition.

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..

A multi-day timed running festival at the Sussex County Fairgrounds featuring a certified 1.000 mile loop, multiple timed race durations, certified marathon and 50K options, on-course timing display, aid station kitchen, camping and RV faci..

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.

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.

A technical mountain trail event in Norvin Green State Park near West Milford, NJ, offering a 50K, 10 Miler and 5 Miler with substantial elevation gain, mandatory 50K gear, cupless aid stations and a one-dollar carbon offset added to regist..

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.