Trail Running calendar near Sussex County 2026-2027

A onesie-themed trail 5K at Ramapo Valley County Reservation featuring a flat, scenic loop around Scarlet Oak Pond and accessible course options.

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 at the Livingston Oval offer 1, 3, 6 and 12 hour options on a USATF certified flat course, with aid station support, awards for top finishers, and participant cap or hat with a no-swag discount available.

Looped trail race in South Mountain Reservation offering 11M, 20M, 50K and 50M over three marked loops with varied terrain and on-site aid.

A late-March trail event at Bethpage State Park offering a 5K trail run, a free kiddie fun run, race shirt, on-site refreshments and a virtual participation option.

A community 5K run and free kiddie run at Bethpage State Park with trail terrain, a virtual option, and donations benefiting the Never Stop Running Foundation.

A mountain trail event at Harriman State Park near Bear Mountain on April 3, 2027 offering 10K, 10K ruck and 13.1M courses on rugged, technical singletrack with marked routes, aid stations, rucking divisions, and adaptive support.

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.

The Fifth Street Rock Monster will take place in Mertztown on Sunday 11 April 2027. You can run between 5 and 100 kilometers.

Two days of mountain obstacle racing at Mountain Creek Resort featuring Sprint, Super, Beast, Ultra and kids races across steep terrain.

Women and non-binary runners take on 5K, 10K, or a timed 4 hour loop on the trails around Lake Mohegan in Fairfield, CT.

A mountain trail run in Ellenville, NY on April 24, 2027 offering a 25K (about 17 miles) and a 10 mile course across technical singletrack, cliffs and carriage roads, with aid stations and support for land conservation charity Run Wild, Inc..

A mountain trail event in the Shawangunk Ridge near Ellenville offering a 25K (closer to 17 miles) and a 10 Miler on technical singletrack and carriage roads, with significant climbing, marked courses, two aid stations, and proceeds support..

A multi-discipline off road event at Stokes State Forest Apr 24 to 25, 2027 featuring trail runs, off road triathlons, mountain bike and paddle races.

A spring 10K trail race in Cross River NY on April 25 2027, organized by Leatherman's Loop Races. Entry is by lottery with registration Jan 8 to Jan 11 2027 and the $58 fee includes the park entry.

VCP 50K is a looped trail ultramarathon in Van Cortlandt Park on 01 May 2027. The 50K course starts with a flats lap then ten cross country loops, with stocked aid stations, drop bag access, finisher medal, singlet, meal and beer.

A technical trail event near Beacon, NY offering a roughly 14.5 mile half and a 26.5 mile full with large elevation gain, exposed climbs, staffed aid stations, post race food, a shirt and a finisher item.

A multi-day timed running festival at the Sussex County Fairgrounds with a certified 1-mile loop, options from 6 to 144 hours plus Marathon and 50K, night lighting, central aid station, camping and electronic lap timing.

A technical mountain trail race in northern New Jersey offering a 50K with over 7000 ft gain plus 10 mile and 5 mile options, map requirements for the 50K, mandatory gear checks, and aid stations on the longer courses.

A community 5K in Ellenville starting and finishing at Aroma Thyme Bistro, with a course along the base of the Shawangunk Mountains and a stretch on the newly resurfaced Rail Trail. Proceeds benefit local food pantries and youth scholarship..