Trail Running calendar near Marlboro 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..

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.

Course and Distances The Sleeping Giant Trail Runs take place at Sleeping Giant State Park in Hamden, Connecticut. The event offers two distances: 25 km: A single loop with over 3,000 feet of vertical gain. 50 km: Two loops of the 25 km co..

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.

Tackle the rugged trails of Harriman State Park in this mountain trail run. Choose between a challenging 10K with 1,400 feet of climb or a half marathon with over 2,600 feet. The event supports local trail maintenance and includes a rucking..

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.

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 a unique quarter marathon distance on the paved trails of West Hartford Reservoir. This chip timed 6.55 mile race features a two loop course with post race treats and age group awards.

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.

A fast, point-to-point half marathon descending from Slingerlands to the Hudson River in Albany. The course features paved rail trails and offers amenities like live tracking, gear check, and a post-race celebration. A free shuttle bus mana..

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.

Experience a unique all terrain run through Heckscher Farm and wooded trails in Stamford. Runners pass farm animals and historic landmarks on a scenic course while children enjoy a dedicated fun run and educational activities.

Experience a beautiful trail run through the Irvington Woods with 5K and 1K distances. This rain or shine community event features finishers medals for all participants and supports the Irvington Bulldog Booster Club.