New Jersey
New Jersey Trail Running Calendar 2026-2027
Explore the best trail runs in New Jersey for 2026-2027! Our updated list features 70 exciting trail runs across the region. Find your next trail run in New Jersey below and join the trail community at these great events!
December 2026
A 6K trail run in Institute Woods with chip timing, a non competitive 3K option, post run refreshments, and on site Ivy Rehab presence.
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.
Trail loop event in Holmdel Park offering 50 kmish and halfish options on an approximately 4.5 mile loop; proceeds support MissionCleanWater.
Trail 3.1 and 6.2 mile events in Morris Plains with hot cocoa at the finish and proceeds benefiting St. Jude Children's Research Hospital.
Multiple-distance running event on a flat, riverside 2-mile loop in Rochelle Park with up to eight hours to complete laps, aid stations, timed results, and finish medals.
January 2027
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 fixed-time trail party in West Orange on January 30, 2027 featuring a 5K loop with 3-hour, 6-hour and ruck divisions, fundraising for the South Mountain Conservancy.
Snowshoe event at Mountain Creek on January 30, 2027 offering a 5 km ridge course and a not timed 1 mile fun option.
February 2027
A playful trail 5K at Ramapo Valley County Reservation on February 14, 2027 where runners repeat a flat scenic loop and wear onesies for themed awards.
Winter trail running at South Mountain Reservation with 10 mile, 20 mile, 50K and 50 mile options on an approximately 10 mile rugged loop and regular aid stations.
Four 5K trail races at Elk Township Recreational Park in Glassboro from Feb 28 to Mar 21, 2027, scored as a series with a $20 discount for full-series registration.
Winter trail event at Mahlon Dickerson Reservation with 5, 10 and 15 mile looped courses, post-run donuts and participant mug, socks, and medal.
March 2027
Timed endurance runs and marathon distance races at the Livingston Oval in Essex County, New Jersey, including one, three, six and 12 hour events and marathon formats.
Trail race in South Mountain Reservation, West Orange NJ offering 11M, 20M, 50K and 50M across three marked loops with varied terrain and a 400-person cap.
A series of off road trail runs in New Jersey offering distances from 5k to 50k, chip timing, finisher medals, age group awards, and proceeds to Troopers Assisting Troops.
A 10-loop trail ultra on Mt Tammany covering about 40 miles with over 12,000 ft of gain, limited to 65 runners and featuring finisher awards and a 12 hour limit.
Technical mountain trail race near Mt Tammany offering a 30K (three laps) and a 50K+ (five laps) on a 6.7 mile loop with about 1,750 ft ascent per loop.
5K and 10K trail runs in Central Park of Morris County on mixed terrain, with a shirt, finisher medal and an empanada for participants.
A 34 mile self-navigation trail across New Jersey’s Lenape Trail with solo or relay options, five aid stations, and a puzzle-style finish supporting MissionCleanWater.
April 2027
Timed 5K at Stokelan Estate Winery in Medford NJ on April 4, 2027 offering race swag, a wine pour, and a volunteer entry that includes full registration.