Trail Running calendar near Spring City 2026-2027

Trail races at South Mountain Reservation feature 5K, 10K and 13.1 miles on looped courses over fire roads, single track, hills and pavement, with aid about every three miles and race day registration available.

A loop-based trail event at Holmdel Park offering 50 km-ish, a Halfish option, and single laps on a varied, mostly off-road course with RFID lap timing and proceeds benefiting MissionCleanWater.

Naked Nick is a low-fee winter trail run at Blue Marsh Lake offering 25K and 50K on rolling single-track and gravel. Aid every 3 to 4 miles, manual timing, and a traditional German-style finisher memento.

Experience a fast and flat end of year ultra at Cooper River Park. Run a paved 3.75 mile loop featuring views of the Philadelphia skyline and access to a fully stocked aid station throughout the day.

Trail races at South Mountain Reservation include 5K, 10K and 13.1 mile looped courses with aid stations every 3 miles. Courses use fire roads, single track, hills and some pavement and offer advance and day-of registration.

Experience the rolling hills of Fair Hill Natural Resource Management Area during this winter trail event. Choose between 25K or 50K distances on beautiful single track trails with heated facilities and fully stocked aid stations.

A timed loop event at Livingston Oval where runners cover as many laps as possible in one, three, six or twelve hours on a USATF certified flat course, with aid stations and awards for top male and female finishers.

A weeklong track ultramarathon at Cooper River Park with events from 6 hours to 144 hours on a USATF-certified 399.519 m track, chip timing, catered meals, vegan-friendly aid, and awards for milestone distances.

A turtle themed 5K at Hopkins Farm Brewery in Havre De Grace raising funds and awareness for the Susquehannock Wildlife Society. The trail race includes wooden participant medals, costume prizes, and an after party with live music.

A last person standing endurance race in York, PA where runners repeat hourly loops until one remains. Entries include a designated parking and crew area, an event shirt, and a certified distance card.

Trail runs in Middlesex County near Edison with a secret start, offered distances around 2 and 5 miles, a post-run social, and a requested canned food donation; registration fees are listed and volunteers receive event items.

A social trail event in Edison with a 5 mile trail run and a shorter group run, marked trails, potential trail hazards, volunteer perks, a post-run social for those over 21, and a canned food donation request.