Trail Running calendar near Billings 2026-2027

Experience the technical terrain of Cockaponsett State Forest with 4 and 9 mile trail races. Navigate hills and rocky paths in Chester to support PanCAN and the Blue Blazed Trail Race series.

A timed charity tower climb at Empire State Plaza in Albany that reaches the 42nd floor with 809 steps. Water stations, bailout floors and medics are provided; registered participants receive a t shirt and finisher's medal.

The Cat's Tail Trail Marathon in Shandaken, NY is a 26 mile point to point trail race through the Slide Mountain Wilderness with about 7,000 feet of vertical gain. The race offers aid stations, post race refreshments, and a 25 percent veter..

Trail ultramarathon in Milford, PA along the McDade Trail offering 50K and 25K out and back courses from Smithfield Beach. The route is mostly flat cinder rail trail with some singletrack, three aid stations, and a cupless policy.

A trail running event in Gardiner, NY offering a 5 km run, an optional 10 km two-lap route and a 200 yard kids run, with pre registration T shirt incentives and a sneaker recycling program.

A scored 5K cross country race at Van Cortlandt Park in the Bronx on September 27, 2026, part of NYRR's fall series; includes free youth races for ages 2 to 18 and awards for top finishers across divisions.

Experience a massive endurance test at Mohawk Mountain Ski Area. This ultra trail event features a 152 mile course with over 72,000 feet of elevation gain to be completed within 84 hours.

Test your limits on a flat one mile loop at the Sussex County Fairgrounds. Choose from 6 to 72 hour timed races or certified marathon and 50K distances with full kitchen and shower access.

A 15-mile trail event at Mohawk Mountain Ski Area in Cornwall, CT with 7,140 feet of elevation and a 12-hour limit; participants may run, hike, walk, or compete in a relay, with registration listed as free for the stated window.

A 30 Hour looped trail event at Roosevelt Forest in Stratford CT on October 3 and 4, 2026 offering distances from 26.2 miles to 100 miles on a 2.5 mile loop with central aid at the pavilion and a finisher buckle for 100 miles.

A timed endurance running event in Cohoes, NY on October 3, 2026 offering 6 hour, 3 hour and 1 hour options plus relays. It benefits Flutters of Hope, a nonprofit supporting people and families affected by eating disorders.

Run through 300 acres of scenic vineyards on a flat trail course in Peconic. Enjoy live music, food trucks, and a post-race glass of wine at this chip-timed autumn event.

Join the annual Run Stanley event at Stanley Park for a variety of trail races including a 5K K9 run and an accessible 1 mile stroll. Support local wildlife sanctuary maintenance while enjoying a community day in the park.

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.

The Haystack Mountain Challenge on October 4, 2026, features a 5K, 10K and a half marathon across Barbour Woods and Haystack Mountain, with steep climbs, private trail sections, a cupless policy, water stations and on site refreshments.

On October 4, 2026 the Highlander Heavy Half in Cold Spring, NY is a 13.7 mile trail race with roughly 4,000 ft of elevation gain through the Hudson Highlands. A portion of proceeds supports the NYNJTC.

Run a scored 5K race through the scenic trails and varied terrain of Van Cortlandt Park. This Bronx event features divisions for all adults and free youth races for ages 2 to 18.

A community 5K and 2 Mile Walk at Garrett Mountain on October 11, 2026, with virtual and Tot Trot options; proceeds benefit the Fred Torres Memorial Scholarship Fund supporting Clifton High School athletes.

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.

A multi-distance trail race in Rocky Point, NY held October 9–12, 2026, using a 10.48 mile loop for all distances. The event features two aid stations with Hylē Hydration, course flagging, night race options, and crew and pacer rules.