Trail Running calendar near Closter 2026-2027

The Mt. Tammany 10 is a grueling 40-mile ultramarathon in New Jersey's Delaware Water Gap. Runners complete ten loops, each climbing over 1,000 feet to the summit of Mt. Tammany. This event promises tough, technical terrain with mountain vi..

Run or walk through 50 acres of beautiful vineyards in Peconic for a chip timed 5K event. Participants receive a finisher medal that doubles as a wine stopper and a celebratory pour of wine at the finish line.

Conquer the trails at Worthington State Forest in this arduous 30K or 50K+ event. Runners tackle a technical 6.7-mile loop with significant elevation. Finishers of both distances earn a commemorative award.

Run the historic 34-mile Lenape Trail from Newark to Millburn, traversing 18 parks. Choose to go solo or as a relay team, with full support including aid stations and shuttles. This charity event supports MissionCleanWater's work to provide..

A roughly 5-mile single-track trail race at Chimney Rock Park on March 28, 2026, featuring rocky single track, stream crossings, course marshals, a water stop passed twice, age-group awards, and a post-race pizza party.

Experience a technical trail race at Chimney Rock Park featuring rocks, roots, and stream crossings. This established five mile event concludes with a community pizza party and awards for various age categories.

Experience a variety of technical trails and rock scrambles in Connecticut at the Sleeping Giant Trail Runs. Choose between 25 km and 50 km distances featuring significant elevation gain and historical park landmarks.

Run through the scenic cross country trails of Central Park of Morris County. Enjoy a mixed terrain course followed by a custom finisher medal and a delicious empanada at the finish line.

Experience a technical trail race through the rugged and hilly terrain of Van Cortlandt Park in the Bronx. Enjoy 10k or kids distances with cake prizes for top finishers and support local trail maintenance efforts.

Run the perimeter of Heckscher State Park on smooth trails. Choose a 7-mile or 14-mile loop for a cupless, manually timed race. All finishers get a wooden medallion and a bucket hat.

Experience a scenic trail run through Bethpage State Park with the 4 Leaf Clover 5K. Enjoy a mostly flat course, post race refreshments, and a festive atmosphere supporting the Never Stop Running Foundation.

Experience a technical mountain trail race at Harriman State Park featuring steep climbs and rock scrambling. Choose between 10K and Half Marathon distances with stunning views of the Hudson Valley and NYC skyline.

Experience a clockwise loop race at South Mountain Reservation featuring timed options from one to six hours. This event offers a 1.88 mile course consisting of single track paths and fire roads for all distance preferences.

The Long Run - Spring Forward offers trail runs in Jacobsburg State Park. Choose from a 5-mile loop, a 3-hour, or a 6-hour timed event on mixed terrain. It's a cupless, eco-conscious event supporting the local environmental center.

Experience the 7th Annual Bunny Trail 5K at Bethpage State Park. Run or walk through scenic soft trails and grassy polo fields with options for an in person race, a virtual challenge, and a free kids run.

Experience an authentic off road adventure in Guilford with a 10k trail loop featuring technical single track paths and rock scrambles through Westwoods to support local land conservation.

Run the trails of Philadelphia's scenic Wissahickon Valley Park. Choose the marathon or half marathon on a course famed for its single-track paths and rolling hills. Finish with a medal, pizza party, and live music.

Join this dog friendly 5K trail run at Blydenburgh County Park to support animal rescue. Enjoy a scenic multi surface course with refreshments and professional timing included for all participants.

Run or walk the scenic trails at Institute Woods. This 6K event offers a shorter 3K option for walkers and is limited to 200 participants. Post run refreshments await all finishers.

Experience a community trail event in Cross River featuring a competitive 5k race, a scenic 4k walk, and a 200m kids dash. Explore the wooded hills of the John Jay Community Trail ending at the campus contest field.