Trail Running calendar near Philadelphia 2026-2027

Squatchy Leftovers on November 28, 2026 at South Mountain Reservation in West Orange, NJ offers looped trail races from 5K to 50K on a mixed carriage road and singletrack course, supports Bigger Than The Trail, and includes family friendly..

Celebrate the season at Milford Reindeer Stampede 5k at Killens Pond State Park on November 28 with a scenic run or competitive walk. Enjoy a long sleeve race shirt, post race treats and chip timing in this family friendly holiday event.

Naked Nick is a low fee trail event at Blue Marsh Lake on Dec 13, 2026, offering 25 km and 50 km options on mixed single track and gravel trails. The course is a lollipop loop with multiple aid stations and basic post race food and awards.

An eight-hour looped run at Cooper River Park on a 3.75 mile paved circuit, featuring a personal pit area, a single start/finish aid station, cupless operations, and custom winter race swag.

A winter trail event at Fair Hill offering 25K and 50K (two-loop) courses, stocked aid stations, and a heated activity hall at Edward L. Walls Activity Hall, with a maximum field of 600 runners.