Trail Running calendar near Philadelphia 2026-2027

On April 11, 2026 the Philadelphia Trail Marathon runs in Wissahickon Valley Park with a 13.1 mile loop or a full marathon of two loops on mostly single track trails and notable elevation.

The Great Marsh Mud Mosey on April 11, 2026 is the third annual event in Elverson PA offering a roughly 5K run and a 1 mile walk across marsh, farmland and muddy grassy sections with post race vendors and search dog demonstrations.

Enjoy a scenic run or walk through maintained natural trails at the Institute Woods 6K in Princeton on April 11, 2026. Choose a 6K or a relaxed 3K, enjoy post run refreshments and a race shirt for early registrants.

Join the Turtle Derby, a turtle themed 5K on brewery trails supporting Susquehannock Wildlife. Enjoy a wooden finisher medal, costume contests, awards, live music and on site beer.

A multi-distance trail running event at Forever Farm in Alburtis, PA on April 12, 2026, featuring private singletrack, significant elevation gain, fully stocked aid stations, post-race food and drink, and awards for finishers and relays.

A trail running event at Forever Farm in Mertztown on April 12, 2026, featuring 5K, 10K, half and full marathons, and an ultra relay on private singletrack with aid stations, food and drink, finisher awards, and cash prizes for top relay te..

The Screamin' Hill Scramble will take place in Cream Ridge on Saturday 18 April 2026. You can run 5 kilometers.

Celebrate Earth Day with a scenic trail run at Pennypack Trust featuring a family Story Stroll 1 mile plus 5K and 10K routes through rolling woods. Proceeds support preservation of over 950 acres and the day ends with snacks and prizes.

A 50 km out and back on the Schuylkill River Trail from Saint Michael's Park in Mont Clare to Conshohocken, offered as solo, three and six person relay, and virtual options. The finish area near Phoenixville features live music and food tru..

A two-race event at Birchwood Lake in Mountain Lakes, New Jersey on April 25, 2026 featuring a scenic mostly flat loop through woods and around lakes. Events are open to men and women age 30 and over.

Join the XC Summer Series, a friendly Tuesday night 5K in Parsippany with chip timing and after race refreshments. Open to all ages and abilities, walkers welcome and affordable single night or full series pricing.

Patriot Power 5K on April 29, 2026 in Reading, PA offers in-person and virtual 5K options plus a 1-mile fun run; proceeds benefit Team RWB and participants receive swag and a finisher medal.

The first annual LHT 5K in Pennington, NJ supports the Lawrence Hopewell Trail with a course along the trail past two lakes and the Hunt House. Events include a 5K and a fun run, with a post race celebration and awards.

Green Traill 5K on May 3, 2026 in Easton, PA features a 5K run, a 2 mile walk and a free kids fun run for ages 1 to 10. The volunteer organized event donates all proceeds to Friends of Historic Easton Cemetery.

The XC Summer Series will take place in Parsippany-Troy Hills on Tuesday 5 May 2026. You can run 5 kilometers.

An urban ultramarathon in Pennypack Park, Philadelphia with looped figure eight trails of 25K, 50K and 50 miles on mostly single track and shaded paths, plus unique German themed awards.

A trail event at Voorhees State Park on May 16, 2026, offering a five-lap **50k** with about 4,500 ft of gain and a **10k** with about 900 ft. On-course aid, marked turns, race day registration, and finisher medals are provided.

Trail races at Kelly's Run Nature Preserve in Holtwood, PA on May 16, 2026 featuring 10K and 5K courses plus a free kids race. Events are chip timed, include aid stations, marked courses, and support the Lancaster Conservancy.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

A trail and road half marathon plus an all trail 5K on the Horse-Shoe Trail in Mohnton, PA, featuring varied terrain, three aid stations and age group awards, with proceeds benefiting Berks County Special Olympics.