Trail Running calendar near Billings 2025-2026

The Chesterfield Gorge Ultra & 25k is a unique running event held at the Chesterfield Gorge Reservation, featuring a 'choose your own adventure' format. Participants can select from various distances, including 100 miles, 100k, 50 miles, 50k, and 25k, with staggered starts to manage the flow of runn..

The Peach Hill "Run For the Hill of It" 5K is a cross-country running and walking event taking place at Peach Hill Park in Poughkeepsie, NY. Participants will traverse scenic trails, reaching the highest point in the town for stunning views. Open to all ages, the event encourages both runners and wa..

The Plattekill Mountain Race, held in Roxbury, NY, is a challenging trail running event featuring a 6.5-mile course with 3,500 feet of elevation gain. Set on the ski slopes and trails of Plattekill Mountain, the race offers a rigorous mountain challenge ideal for athletes seeking to test their limit..

The IronHike Endurance Series - Spring 2025 takes place at Mohawk Mountain Ski Area in Cornwall, Connecticut. This multi-day event, held over four days in June, offers a unique blend of hiking, trail running, and camping challenges. Participants can compete solo, with a trail buddy, or as a trail fa..

The Flanders Field & Forest 5K is an annual trail run and walk held at the Van Vleck Farm & Nature Sanctuary in Woodbury, Connecticut. Covering 3.1 miles, the course winds through scenic natural trails, offering a picturesque outdoor experience suitable for all ages and fitness levels. The event is..

The Beer Mountain Challenge at Upward Brewing Company is an exciting trail running event set in the scenic Catskill Mountains. Participants can choose between two distances: a 2-mile loop with 515 feet of elevation gain or a 4-mile loop with 1,030 feet of elevation gain. The course features a mix of..

The Sri Chinmoy 24-Hour, 12-Hour & Midnight Marathon takes place at Rockland Lake State Park in Congers, NY, featuring a scenic, flat, and fast 2.95-mile paved loop around Rockland Lake. The course is USATF certified, smooth, and partly shaded, ideal for personal records. The event offers 24-hour an..

The Ansonia Six Hour Trail Run is a challenging endurance event held at the Ansonia Nature Center in Ansonia, Connecticut. Participants run counter-clockwise loops of approximately 1.9 miles on moderately technical singletrack trails featuring about 170 feet of elevation gain per loop. The course of..

The Norbrook Farm Brewery Trail Festival, held at Norbrook Farm Brewery in Colebrook, Connecticut, is a vibrant all-day event featuring trail running and mountain biking. Participants can choose from a 4-hour run, 10K, 5K, run/bike duathlon, and various mountain bike races on challenging 5-mile loop..

The XTERRA Transcend Trail Run, held annually at Dickerson Mine Preserve in Randolph, New Jersey, offers a scenic and accessible trail running experience. The event features three race distances: a 5K (3.1 miles, 170 feet elevation gain), a 10K (6.8 miles, 400 feet elevation gain), and a half marath..

The Nipmuck South Trail Race is a 15.7-mile out-and-back trail run held at Mansfield Hollow State Park in Mansfield, Connecticut. The scenic course follows the Fenton River and features varied terrain including small bridge crossings, a climb to a 50-foot cliff, fields, and woods. Runners encounter..

The TSR Trail Half Marathon will take place in Adams on Sunday 15 June 2025. You can run between 10 and 21 kilometers.

The Edge Hill Trail Race, scheduled for 2025, is a collaborative event with the Franklin Land Trust, celebrating the scenic trails and dirt roads of Ashfield. This race emphasizes a relaxed atmosphere, encouraging participants to enjoy the natural beauty while challenging themselves physically and s..

Manitou’s Revenge is a challenging 53-mile ultramarathon held in the Catskill Mountains, starting in Windham, New York. The course follows the northern Black Dome Trail and the Long Path from Acra Point to downtown Phoenicia. Featuring approximately 15,000 feet of elevation gain, the route is rugged..

The Free to Run Trail Races, hosted by the Berkshire Ultra Running Community for Service (BURCS), take place in Pittsfield State Forest, Massachusetts. Scheduled for June 21, 2025, the event offers three distances: 15K, 25K, and 50K ultramarathon. The challenging course features a double-loop figure..

The Summer Solstice Trail Run is an early morning trail running event held at Gay City State Park in Hebron, Connecticut. Scheduled for June 21, 2025, it offers three race distances: 3 miles, 5 miles, and 8 miles. The 8-mile race is part of the 2025 Blue-Blazed Trail Running Series and the USATF-CT..

TPK Bad Decisions is a challenging 30-hour endurance event held in Andover, New Jersey, designed for teams of four. Combining elements of the Two Punk Kids (TPK) style with an Amazing Race format, teams work non-stop to complete a series of mandatory challenges. The event features three types of tas..

The Centurion Ultra Trail Event, held in Roosevelt Forest, Stratford, Connecticut, is a challenging endurance race featuring a 2.5-mile loop with 193 feet of elevation gain per lap through classic New England terrain. Participants can choose between two race options: running as many miles as possibl..

The Brooksvale 12-Hour is an endurance running event held in Hamden, Connecticut, featuring a challenging 4.25-mile loop with 500 feet of elevation gain. Participants can choose to run distances ranging from a marathon (six loops) to a 50k (eight loops) or aim for 50 miles within the 12-hour time li..

The Red Wing Trail Challenge, held at Red Wing Recreation Area in Lagrangeville, NY, offers two trail race distances: a challenging 60K with approximately 6,600 feet of elevation gain, and a 15K featuring about 1,650 feet of gain. The 60K consists of four laps of a 15K loop that includes varied terr..