Trail Running calendar near Philadelphia 2026-2027

Looped trail races at Killen's Pond State Park offering 50K, 24 hour and 100 mile options on an about 3.1 mile dirt loop with low technical difficulty and limited support.

A trail race at South Mountain Reservation on February 21, 2026 offering 50M, 50K, 20M and 10M on an approximately 10 mile loop with aid stations, electronic timing, event SWAG and top-three awards.

A four-race series of 5k trail runs on Elephant Swamp Trail in Elk Township Recreational Park near Glassboro, NJ, held Feb 22–Mar 15, 2026. Series scoring determines overall and age-group awards; medals, a custom neck scarf for full-series..

Trail event at Mahlon Dickerson Reservation on March 1, 2026 offering 5 mile and 10 mile routes over rugged woodland trails. Participants receive a long sleeved shirt, a medal, and donuts; hikers are welcome.

Trail races presented by Pretzel City Sports on March 1, 2026, offering 13.1 mile and 6.55 mile courses near Reading, PA; race application and online registration are available and race day entry is likely.

Squatchapple is a trail race at South Mountain Reservation in West Orange NJ offering 11 miles, 20 miles, 50K and 50 miles across three marked loops. The event features one aid station at the trailhead and well marked ribboned loops.

A no/low-swag ultra trail event at Blue Marsh Lake offering 20M and 40M options on a lollipop-style single-track course, with regular aid stations, bib timing, drop bag access for 40M, and modest entry fees.

A self supported, roughly 34 mile run along the Lenape Trail from Newark through parks and reservations to South Mountain Reservation. The route passes Branch Brook Park, Verona Park and Eagle Rock with varied trail surfaces.

A paved trail event on March 7, 2026 in Thompson Park, Lincroft featuring a timed 5K and a 1 mile Fun Run; 100% of proceeds benefit Blood Cancer United.

Looney Leprechaun Trail Races takes place March 7, 2026 at Tyler State Park in Newtown, PA. The event offers a 10K trail race and a 1/2 Marathon on park trails, with member discounts, age group awards and event shirts for early registrants.

Trail races at French Creek State Park on March 14, 2026 include a technical half marathon with over 2,000 feet of climbing and a shorter 10k lollipop course with aid stations. Both events start and finish near the pool by Hopewell Lake.

A looped trail ultra of almost 40 miles in the Delaware Water Gap, the MT. Tammany 10 features 10 climbs with over 10,000 feet of elevation gain to be completed within 10 hours, starting and finishing at the Kittatinny Parking Lot Pavilion.

A spring 50 km trail ultramarathon at Susquehanna State Park near Havre de Grace, MD. The course uses a 3 mile start loop and two 14 mile loops, with single-track, fields, dirt roads and four stream crossings; registration opens Black Frida..

The Terror of Tammany will take place in Columbia on Sunday 22 March 2026. You can run between 30 and 50 kilometers.

A fully crewed, charity 34 mile run along the Lenape Trail across 18 parks in Essex County. Options include solo or 3 to 6 person relay with regular aid stations, shuttling, first aid and pre event prep resources.

A tenth annual trail event in Spring City, PA on March 28, 2026 offering a 5K run and a 5K hike over dirt trails, gravel roads and short paved sections above French Creek. Proceeds support summer camping programs and scholarships.

Trail 5K and 10K events in Central Park of Morris County on March 29, 2026, featuring mixed-terrain cross country courses. Entry includes a long-sleeve shirt, finisher medal, and an empanada with a vegetarian option.

The Montchanin Trails 5K will take place in Wilmington on Sunday 29 March 2026. You can run 5 kilometers.

Timed loop trail races at South Mountain Reservation in South Orange on April 4, 2026. Options include a 1.88 mile loop, a 6K two loop option, and 1 hour, 3 hour and 6 hour timed events.

A give or take five mile loop through Jacobsburg State Park with singletrack and gravel sections. Options include a 5 mile event or three hour and six hour timed efforts, and the event follows a zero carbon approach.