Trail Running calendar near Philadelphia 2025-2026

Naked Bavarian is an ultra trail at Blue Marsh Lake in Leesport, PA with 20 and 40 mile options on mostly single track and gravel. Enjoy rugged climbs, supportive aid stations and a German style finisher memento.

Tackle a scenic 34 mile out and back along New Jersey's Lenape Trail, from South Mountain Reservation through Newark and back, with skyline views and varied terrain. This self supported adventure asks runners to carry their own gear and nut..

Take on MT. TAMMANY 10, an almost 40 mile looped trail challenge in the Delaware Water Gap with ten summit climbs and more than 10,000 feet of elevation gain. Technical, rugged terrain and river crossings make for a bold, scenic test.

Tackle the HAT Run 50K, a scenic and challenging trail race in Havre de Grace on March 21, 2026. Expect varied terrain, nearly 4,400 feet of climbing and a few stream crossings that keep the adventure real.

Terror of Tammany! on March 22, 2026 in Columbia, NJ is a rugged looped trail challenge with 30K (three 6.7 mile loops) and 50K+ (five loops). Expect technical climbs, a campground start and finish, strict time limits, and finisher awards.

Join the Morris County Empanada Trail on March 29 in Morris Plains NJ with 5K and 10K runs over scenic mixed terrain. Entry includes a long sleeve shirt, finisher medal and an empanada with proceeds benefiting the Arthritis Foundation.

Spring Forward at Jacobsburg State Park invites runners to tackle a scenic 5 mile loop as a single lap or in timed 3 hour or 6 hour challenges. The cupless, self supported event offers water refills and supports local conservation.

Find your pace at the Spring SOMO Timed Trail Races in April at South Mountain Reservation, NJ, with options from a single 3K loop to 6 Hour timed runs. Enjoy a scenic 1.88 mile loop of single track, pavement and fire road.

Tackle scenic, challenging single track trails in Wissahickon Valley Park with half and full marathon options. Expect rolling hills, technical sections, a finisher medal and a community focused race that supports local youth programs.

Join the Great Marsh Mud Mosey in Elverson on April 11 for a muddy 5K or 1 mile walk through marsh, woods and farmland with a grassy finish. Small field and festival vibe with proceeds benefiting the Great Marsh Institute and ChesCo Search..

The Institute Woods 6K will take place in Princeton on Saturday 11 April 2026. You can run 6 kilometers.

Run rugged technical trails at Rockland Rad Run in Mertztown with marathon, half, 10k and 5k options. Enjoy scenic rolling terrain, Saturday off road mountain bike fun and free campsite options for a full weekend outdoors.

Run a scenic 5K across farm trails at Screamin' Hill Brewery, then celebrate with craft beer, live music and food trucks. Walkers and all ages are welcome in this fun community race with free photos and a custom tech shirt.

Take on a 50 km out and back along the scenic Schuylkill River Trail from Mont Clare through Valley Forge to Conshohocken. Run solo or with a 3 to 6 person relay team, enjoy aid stations, chip timing and finishers medals.

Join the 5th annual Green Traill 5K on Sunday, May 3, 2026 at Easton Cemetery for a spirited 5K, a community walk, and a Kids Fun Run for ages 10 and under. Organized entirely by volunteers, the event benefits Friends of Historic Easton Cem..

The Dirty German Endurance Fest will take place in Philadelphia on Saturday 9 May 2026. You can run between 25 and 50 miles.

Trails To the Sky at Voorhees State Park features a scenic, looped 50k UTMB Index race and a rolling 10k. Expect big climbs, aid stations, on course support and custom medals for all finishers.

Conestoga Crusher is a rugged trail run through Kelly's Run Preserve with steep climbs, creek crossings and a scenic Pinnacle Overlook. Distances include 10K, 5K and a kids trail race, with proceeds benefiting Lancaster Conservancy.

Run the 1/2 Sauer 1/2 Kraut in Pennypack Park on June 6 along a shaded bike path with flat stretches and rolling hills. Choose half or full, earn a medal and enjoy German post race fun while supporting local parks.

Run lakeside singletrack at Dickerson Mine Preserve on scenic mostly flat trails. Choose 21K half marathon, 10K or 5K, then enjoy Black River Barn with outdoor dining and beer on tap.