Trail Running calendar near Billings 2025-2026

We have found 85 Trailruns within 80 miles of Billings. See below where and when you can find the races.

Recharge your trail legs with a small group spring camp in Oliverea, NY, in the Catskills. Tackle technical scrambles and big climbs while getting on trail coaching and mental performance work to sharpen your skills and confidence.

Tackle the Mine Hill Half Marathon, a scenic road race that climbs hard in the first half then rewards you with a fast mostly downhill return to Mine Hill Distillery in Roxbury. Finishers get a medal and a lively post race celebration.

June 2026

IronHike Series Spring 26 takes place June 4 to 7 at Mohawk Mountain, CT, with solo and team endurance options from 15 to 152 miles. This non competitive FlexRelay invites crews to self manage pacing, rest and night trekking.

Take on the slopes at the Plattekill Mountain Race in Roxbury NY on June 7, 2026, where ski runs and forest trails deliver steep climbs, fast descents and sweeping views. Choose the 6.5 mile mountain course or the punchy 5k and race for top..

Run or ride scenic farm trails at Norbrook Farm Brewery in Colebrook CT, with options from a 5K and 10K to a 4 hour trail challenge, duathlon and competitive mountain bike races. Finishers get custom medals and entrants 21 plus receive a fr..

Take on a scenic 15.7 mile trail run on the Nipmuck Trail in Mansfield CT, following the Fenton River through woods, fields and small bridge crossings. Organized by the Shenipsit Striders, proceeds support local trail stewardship.

Manitou’s Revenge is a 53 mile ultramarathon in the Catskills across rugged, technical trails and massive climbing. Limited aid, long remote stretches and hand over hand sections make it a grueling but rewarding mountain challenge.

Run lakeside singletrack at Dickerson Mine Preserve on scenic mostly flat trails. Choose 21K half marathon, 10K or 5K, then enjoy Black River Barn with outdoor dining and beer on tap.

July 2026

Join Pinky's Rock n Rolla, a 4 mile trail race through Forest Park's scenic trails in Richmond Hill, NY. Enjoy rugged natural terrain, medals for all finishers, prizes for top runners, and proceeds benefiting Puppy Kitty NYCity.

August 2026

Run the Ridge Reaper at Ward Pound Ridge Reservation with 25K, 50K, and 50M courses through technical singletrack and scenic carriage roads. Big climbs, ridge views, and a cupless format so carry your own hydration.

Take on the Interstate 17 Trail Run, a 17 mile looped trail race at State Line Lookout with serious elevation and rugged technical terrain. Rocky scrambles, waterfalls and required loop check ins make this a scenic tough challenge.

Tackle technical trails at Stokes State Forest with options from a 5K to a challenging 17 mile loop, plus ruck divisions for 10K. Finishers earn a handcrafted wooden medal and unique swag.

Climb It For Climate at Belleayre Mountain on August 16, 2026 offers 25K and 8K mountain courses or an early start hike. Join community events, enjoy plant based aid, and support The Catskill Center with an eco conscious approach.

September 2026

Run the Shawangunk Ridge Trail in Rosendale NY on Sep 12, 2026. Choose 70 mile, 30 mile or half marathon routes through rocky ridgelines, waterfalls and cliffs in a self supported backcountry challenge.

Tackle technical single track and big climbs at the Macedonia Trail Race in Kent, Connecticut. Choose 12K, 25K, or 50K loops with Cobble Mountain views and rugged trails for a rewarding, scenic challenge.

Three days of trail racing and community at Wawayanda State Park, with distances from 100 mile to a kids mile. Friday panels and a trail film, free camping, and a partnership with Bigger Than The Trail supporting mental health.

The Cat's Tail Marathon will take place in Shandaken on Saturday 26 September 2026. You can run 26 miles.

October 2026

Experience the Iron Hike Fall Series, a four day trail festival in Cornwall, CT from October 1 to 4, 2026, featuring epic ultra distances and relays. Run, hike, or walk timed courses that test endurance and celebrate grit.

Take on a 24 hour trail challenge at Mohawk Mountain with a 28 plus mile course and huge elevation gain that rewards grit and strategy. Run, hike, or walk solo or as a relay with veteran owned IronHike Endurance Productions.

Conquer Mohawk Mountain on scenic but rugged trail courses with 5K, 10K, half marathon and marathon options, big climbs and singletrack. Runners earn finisher medals, enjoy aid stations and follow a cupless policy to reduce waste.