Trail Running calendar near Montclair 2026-2027

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.

An ultramarathon in Prospect Park, Brooklyn on December 6, 2026 offering 50K and 50 mile looped courses with potluck-style aid, Skratch Labs hydration, chip timing, and finisher belt buckles.

A looped trail race at Holmdel Park near Holmdel, New Jersey offering a roughly 50 kilometer option and a shorter Halfish race. Timing is by RFID, proceeds support MissionCleanWater, and there is an eight hour cutoff.

A weekend trail event in Blydenburgh County Park featuring a Backyard Ultra with 4.167 mile hourly loops and a separate 4.16 mile lapping race. A portion of proceeds supports the Long Island Greenbelt Trail Conference.

Experience a fast and flat end of year ultra at Cooper River Park. Run a paved 3.75 mile loop featuring views of the Philadelphia skyline and access to a fully stocked aid station throughout the day.

Experience an exclusive trail run through the scenic Roosevelt Forest in Stratford. This 5K event features a natural off-road course limited to a small group of participants and includes custom finisher medallions.

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 January trail party using a 5K loop with three hour and six hour options plus a 3H ruck. Mixed carriage roads and technical singletrack, limited field size, and proceeds benefit the South Mountain Conservancy.

A winter trail event at Ramapo Valley County Reservation on February 14, 2027 featuring a flat, scenic lollipop loop around Scarlet Oak Pond. Participants are encouraged to wear onesies; the event includes an aid station, finishers medal, a..

Trail races on a 10 mile loop at South Mountain Reservation offering 50M, 50K, 20M and 10M with marked trails, three aid stations per loop, timing, SWAG, and awards for top three male and female finishers.

Timed loop races on the Livingston Oval offer one, three, six and twelve hour options on a USATF certified flat course. Participants receive a hat and top finishers earn plaques.

A looped trail event on March 6, 2027 at South Mountain Reservation in West Orange, NJ offering 11 mile, 20 mile, 50K and 50 mile options on three marked loops with mixed carriage roads and technical singletrack.

A six hour trail ultra at Roosevelt Forest in Stratford, CT on March 20, 2027, offering a 50K option on a 2.3 mile loop of roots, rocks and rolling hills, with a capped field of 50 entrants and on-course food and hydration.

The Rat Race 50k is a 100% off-road ultramarathon at Wells Mills Park with an 8-mile loop plus three 10k loops, chip timing, finisher medals and age-group awards; the series also includes shorter trail races and themed events.

A 5K trail run at Bethpage State Park with a free kiddie fun run and a virtual option, a good luck shirt, on course hydration, post race refreshments, and age group recognition. Beer is available for participants 21 and older with ID.

A 5K trail run and a free kiddie run at Bethpage State Park with in-person and virtual options, onsite refreshments, mailed bibs, and online results. Donations support the Never Stop Running Foundation.

A mountain trail event at Harriman State Park offering a half marathon, a 10K, and a 10K ruck on rugged, technical courses with significant elevation gain and limited crew access at aid stations.

Sleeping Giant Trail Runs at Sleeping Giant State Park in Hamden CT features a 25K loop with 3K+ of vertical and a 50K two-loop option. The course mixes technical singletrack and carriage roads, includes aid stations, and follows a cupless..

A community trail event in Cross River, NY featuring a hilly wooded 5K, a 4K walk through the main trail, and a 200 m kids dash on the contest track. Registration opens 8/24/2026 with limited pre-registration t-shirt incentives.

A weeklong track ultramarathon at Cooper River Park with events from 6 hours to 144 hours on a USATF-certified 399.519 m track, chip timing, catered meals, vegan-friendly aid, and awards for milestone distances.