Trail Running calendar near Randolph 2026-2027

Trail-based five mile race and two mile fun walk at Camp Innabah in Spring City, PA on October 3, 2026. Proceeds support summer camping programs and scholarships, with a pancake breakfast and awards for overall and age groups.

A 50K trail ultramarathon around Blue Marsh Lake near Reading, PA, featuring single-track, rolling hills, one major climb, seven themed aid stations and a 9-hour time limit. Relay teams of 2-4 may split the course into four legs.

A four mile trail race through Irvington Woods on October 4, 2026, with varied terrain including climbs and stairs; start and finish at Irvington High School. Registration runs March 15 to September 4 with a $40 fee.

Mountain trail race at Camelback Resort on October 4, 2026, run on a 2.5 mile loop with just under 900 ft of climb per loop. Options include 2.5, 5, 10 miles, a 10 mile team relay, ruck division and chip timing.

A 13.7 mile trail race in Cold Spring, NY on October 4, 2026 with about 4,000 ft of elevation gain through the Hudson Highlands during peak foliage. It is an UTMB Index Race and supports the NYNJTC.

Runners climb the Empire State Building's 86 flights and 1,576 stairs to the observatory in this New York tower race on 10/06/2026. Multiple entry categories are offered with different registration windows and fees.

Experience a USATF sanctioned endurance event on a flat paved loop in New Jersey. Choose from 12 to 48 hour individual or relay options and earn a custom buckle for completing 100 miles.

A community trail event on 10/10/2026 in Wilton CT featuring a 5K and a 0.75 mile accessible run or walk, event shirts, food and access to farm grounds, and a range of sponsorship options supporting employment for people with disabilities.

A community run and family walk on October 10, 2026 in Pottstown, PA featuring a 5K, a 10-mile route that crosses Douglassville Bridge, and a roughly 1-mile family loop along the Schuylkill River Trail.

A point to point trail race from the Lehigh Gap Nature Center to the west side summit, featuring a 10 km option and a 2 Mile Scramble across mixed single track and technical trails with 1,000 feet of ascent.

A single-loop trail half marathon through five parks in lower Westchester County, New Rochelle. Most of the course is on dirt and wooded trails and passes through areas with visible wildlife.

A four mile off road trail run at Spring Meadow Golf Course in Farmingdale, New Jersey on October 11, 2026. Hand held timing, a free drink ticket and a finisher gift are included; shirts and other merchandise cost extra.

Experience Long Islands scenic Robert Moses Causeway in this multi day running event. Support local veterans while choosing between marathon, half marathon, 10k, and 5k distances with finisher medals for all participants.

A community cross-country 5K in Haddonfield on October 17, 2026 with pre-race packet pickup, onsite registration options, entrant T-shirts, awards by overall and age groups, and accommodations for visually impaired participants.

A fall trail event in Harriman State Park offering a technical **13.1M** and **10K** with steep climbs, rocky singletrack, aid stations, and adaptive support; the field is capped and proceeds support local trail maintenance.

A Halloween themed event on Clinton Road in West Milford, NJ offering a 1 mile Zombie Crawl plus 5k and 10k races. The course features zombie volunteers, themed aid stations, and a finish line festival with awards and a costume contest.

Trail and 5K races at Hillside Park on October 18, 2026, benefit a free mammography program. A kids fun run for ages 5 to 12 is included, with chili and vegetarian food and timing by Compuscore.

The 4th annual Chesterfield FALL Terrain 5K at Fenton Lane Park on October 18, 2026 features a 5K run/walk and a 1 mile Fun Dash, supports local charities, offers custom race shirts and age group awards.

A trail ultramarathon at Washington Crossing Park on October 24, 2026, offering 25K+ and 50K courses across historic, technical singletrack with multiple aid stations and finisher swag.

Experience a unique trail race through the forests and meadows of Muscoot Farm. Enjoy distances for all ages followed by a visit to the local farmers market with your farm buck vouchers.