Trail Running calendar near East Islip 2026-2027

We have found 108 Trailruns within 80 miles of East Islip. See below where and when you can find the races.

A 3 x 2 mile cross country relay at Sunken Meadow State Park in Kings Park, NY, marking the 47th running of the event. The program includes a youth division, a costume contest with prizes, post race refreshments and multiple age categories.

March 2026

Trail event at Mahlon Dickerson Reservation on March 1, 2026 offering 5 mile and 10 mile routes over rugged woodland trails. Participants receive a long sleeved shirt, a medal, and donuts; hikers are welcome.

Squatchapple Trail Race The Squatchapple is a trail running and hiking event held at the South Mountain Reservation in West Orange, New Jersey. It offers four distances: an 11-mile, a 20-mile, a 50K, and a 50-mile race. The course consists..

Traverse the historic Lenape Trail on a 34 mile, self-supported run from Newark to South Mountain Reservation. The route offers diverse urban and natural scenery, from city parks to mountain lookouts. Participants are responsible for carryi..

Looped hill races at Sunken Meadow State Park where the most distance in a three hour loop crowns the King and Queen, and a separate one hour event crowns the Prince and Princess.

This 5K trail run at Bethpage State Park offers a scenic, mostly flat course through the park's soft trails. Participants receive a themed shirt and can enjoy post-race refreshments, including a free beer for those 21+. The event supports t..

Run or walk a 5K through the scenic Osprey's Dominion Vineyards in Peconic. Registration includes a wine glass, a medal that works as a wine stopper, and a pour of wine. The event is open to all ages and even welcomes leashed dogs.

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..

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..

Trail 5K and 10K events in Central Park of Morris County on March 29, 2026, featuring mixed-terrain cross country courses. Entry includes a long-sleeve shirt, finisher medal, and an empanada with a vegetarian option.

The Fool's Adventure is a ten hour foot rogaine on March 29, 2026 in Wayne, New Jersey. Competitors navigate more than 100 checkpoints across eight square miles of rugged wilderness using maps and a compass while recording checkpoint eviden..

This trail race offers a rugged 10k course through historic Van Cortlandt Park in the Bronx. A free Kids Fun Run is also part of the event. Part of the registration fee supports local trail maintenance and youth programs.

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.

April 2026

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..

Timed loop trail races at South Mountain Reservation in South Orange on April 4, 2026. Options include a 1.88 mile loop, a 6K two loop option, and 1 hour, 3 hour and 6 hour timed events.

A 5K run and walk at Bethpage State Park on April 4, 2026 with a free kiddie run and a virtual 5K window, trail terrain, on-site amenities, and proceeds benefiting the Never Stop Running Foundation.

The Bimbler's Bash is a popular annual 10K trail run through the technical, rocky paths of Guilford's Westwoods. This entirely off-road event supports local land conservation and is known as a major single-distance race in Connecticut.

Run a unique *6.55-mile* quarter marathon on the scenic paved trails of West Hartford Reservoir. This small event, limited to 150 participants, features two loops and professional timing. Race day registration is available with a $25 cash f..

A *5K* trail run/walk through Blydenburgh County Park on April 11, 2026 with in-person and virtual options, on-site refreshments and hydration, dog-friendly rules, and proceeds supporting Last Chance Animal Rescue.

A community trail event in Cross River, NY on April 12, 2026 featuring a 5k trail race, a 4k walk that skips part of the hill loop, and a 200 meter kids dash on the track.