Trail Running calendar near Closter 2026-2027

We have found 119 Trailruns within 80 miles of Closter. See below where and when you can find the races.

A multi day endurance series at Mohawk Mountain in Connecticut offering solo and team trail events from 15 to 152+ miles with timed formats up to 84 hours. Tenting, support stations, and personalized bibs and medals are provided.

A non competitive National Trails Day run along the D&R Canal Towpath with multiple distance options, bus support to trail access points, per mile charity donations, milestone rewards, and a post run picnic.

A scenic 10 km run starting and finishing at historic Rockwood Hall in Rockefeller State Park Preserve. The event includes a separate kids race for ages 12 and under and directs proceeds to carriage road maintenance.

A community 5K trail run, walk and hike in Eisenhower Park Milford on June 7, 2026 supporting the Milford Rotary and the Beth El Center. The course uses a high school cross country route with mostly flat sections and some rolling hills.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

A six hour trail run at Ansonia Nature Center on June 13, 2026, run as counterclockwise loops of about 1.9 miles on moderately technical singletrack with roughly 170 feet of gain per loop. Entry is limited to 69 runners.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

XTERRA Transcend Trail Run, June 20 2026 in Randolph New Jersey, features 21K, 10K and 5K trail races at Dickerson Mine Preserve and serves as a qualifier for the 2027 XTERRA Trail Run World Championships.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

Twelve hour timed run on a 4.25 mile loop with about 500 feet of gain per loop in Hamden, CT. Options include marathon via six loops, 50K via eight loops, and a 50 mile target; proceeds support the Brooksvale Gift Fund.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

July 2026

Trail racing at Red Wing Recreation Area with 15K, 30K, and 60K options on a 15k loop featuring varied terrain, aid stations, lap support for 60K runners, and post race food and drinks.

The XC Summer Series will take place in Parsippany-Troy Hills on Tuesday 7 July 2026. You can run 5 kilometers.

Pinky's Rock n Rolla is a lively 4 mile trail race through Forest Park's scenic trails celebrating Pinky the Pacer. Finishers get medals, top three men and women earn prizes, dogs welcome, and proceeds benefit Puppy Kitty NYCity.

The XC Summer Series will take place in Parsippany-Troy Hills on Tuesday 14 July 2026. You can run 5 kilometers.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

August 2026

Ridge Reaper Trail Runs returns Aug 1, 2026 at Ward Pound Ridge Reservation near NYC, offering multiple distances from runnable loops to epic 50 mile challenges. Expect wooded technical trails, ridge views, finisher medals and podium awards..

A community endurance event on August 1 at Tamaques Park in Westfield NJ offering 3, 6, 9, 12 and 24 hour options, welcoming runners of all skill levels and raising donations for clean drinking water.

Interstate 17 is a challenging 17 mile trail run on August 8, 2026 in Closter NJ that traces Hudson River viewpoints. Expect rugged technical singletrack, steep climbs and boulder scrambles across four loops with fully stocked aid stations.