Trail Running calendar near Deerfield 2026-2027

A remote *55K* ultramarathon on the Northville Placid Trail in Adirondack Park, featuring technical terrain, about 3300 feet of gain, self-supported running, a required validation race, and registration that includes a shirt and two meals.

Choose your distance from 7 to 28 miles in this Adirondack endurance walking event at Gore Mountain. Hike through shaded forests and along scenic ridgelines with the option to add weight for a rucking challenge.

Trail races in Kennedy State Forest near Virgil, NY offering 15K and 7K courses on marked single track, logging and dirt roads with stream crossings, significant climbs, and nearby primitive camping at Hauck Hill.

A 30 km singletrack mountain race in the Catskills on July 26, 2026 with about 4,800 ft of climb and a six hour cut off. The remote route has limited aid, wave starts, and entry requires qualifying standards.

This trail run and walk supports autism awareness, with all proceeds going to charity. Participants can enjoy a scenic 5-mile loop through the woods of the Trenton Fish and Game Club. The event includes a free kids run and is timed by the U..

A trail race at Fillmore Glen State Park with 3-mile and 8-mile courses through wooded rims, gorge crossings, stairs, and marked water stops. Online registration is required and awards are given by overall and age-group categories.

Experience a rolling cross country run through the forests and meadows of the Landis Arboretum. This sanctioned 5K race offers views of the Schoharie Valley and access to scenic trails and gardens.

Winona Forest Backyard Ultra in Mannsville NY uses a repeating 4.167 mile loop every hour. Runners return to the start within the hour to continue and the last runner standing wins.

Test your endurance at this unique trail race in Tully where the coin toss determines your path. Complete as many loops as possible in three hours while alternating directions to stay on your toes.

This 4-mile trail run in Schenectady Central Park uses a flexible time trial format. All proceeds support addiction recovery services, honoring a personal legacy. A pre race stretching session is included.

Trail ultramarathon at Green Lakes State Park near Fayetteville, NY offering 100K, 50K, 25K and a 12 hour timed race on runnable, looped trails with stocked aid stations, course markings, race-day awards and participant shirts.

A five kilometer trail run through the hills of Butternut Valley in Garrattsville, NY on August 22, 2026. Staged at Butternuts Beer and Ale as part of Butternut Valley Days, with a registration fee of $35.

A trail running festival at Thacher State Park on August 23, 2026, offering **10K**, **13.1M**, **26.2M** and **50K** courses that share the same first 10K loop. The cupless event has multiple aid stations, post-race food, and medals for ma..

Trail marathon and half marathon on Kennedy State Forest trails near Virgil and Harford, NY. The event uses age and gender based staggered head starts including a nonbinary category and features well-marked out-and-back loops with aid stati..

A 50K trail ultramarathon in the Wilcox Lake Wild Forest near Stony Creek, NY, with a lollipop route, about 3,028 feet of climb, two stocked aid stations, and a required experience review for entry.

A trail ultramarathon near Cortland, NY offering 100 mile, 100 mile relay, 50 mile and 50K options. The course includes steep ascents, technical singletrack, significant elevation change, and planned course changes from previous years.

Experience an outdoor adventure at Everest Park featuring a four mile obstacle course with forty natural and man made challenges. Families can choose between the full mud run or a specialized mini course for younger children.

A multi race trail weekend at Greek Peak Mountain Resort in Cortland, NY, featuring daytime and night races, an uphill 1k event, a dog friendly 5k, and a marked kids mile alongside on site resort amenities.

An obstacle and fitness race on September 13, 2026 in Fayetteville, NY featuring a roughly 3 mile course with about 23 first responder inspired challenges, including Search & Rescue, Hose Drag and timed mental focus tasks.

Trail races in Charles E Baker State Forest near Brookfield, NY offering 5K, 15K and a 50K with 4,600+ feet of vertical gain and a 9 hour cutoff. Onsite grilled food supports the Brookfield Central School Senior Class.