Trail Running Calendar New Jersey 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.

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.

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 mountain obstacle race weekend at Mountain Creek Resort in Vernon NJ offering Sprint, Super, Beast and Ultra distances plus a Kids Race and spectator access.

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.