Trail Running calendar near Billings 2025-2026

We have found 88 Trailruns within 80 miles of Billings. See below where and when you can find the races.

Big Bear Squatch North is a challenging trail running event held at Harriman State Park in Bear Mountain, New York. Featuring a half marathon and 10K races, including new rucking divisions with lightweight (15 lbs) and heavyweight (30 lbs) packs, the course offers rugged, technical trails with steep..

Squatchywaska Mountainfest is a challenging trail running event held in Ellenville, New York, featuring two race distances: a 25K and a 10-mile course. Set in the stunning Shawangunk Ridge, runners navigate rugged mountain singletracks, cliffs, and glacially polished ledges through pitch pines, huck..

The Wawayanda Trail Fest is a challenging trail running event held in Vernon Township, New Jersey, at Wawayanda State Park. The festival offers multiple race distances including a 100K, 50 Mile, 50K, and Half Marathon, featuring a scenic course with rhododendron tunnels, marsh bridges, gravel roads,..

Leatherman's Loop is a renowned 10k trail race held annually each spring at the Ward Pound Ridge Reservation in Cross River, New York. Established in 1987, it is considered the largest trail race on the East Coast of the United States. The event features a challenging and scenic course through the r..

The Jack Bristol Lake Waramaug Ultra Races, held in Kent, Connecticut, is a historic ultra running event celebrating its 52nd anniversary in 2026. It features three race distances: 100K, 50 miles, and 50K, all conducted on primarily flat, rolling loops around scenic Lake Waramaug on paved roads. The..

May 2026

Breakneck Point Trail Runs, hosted by Red Newt Racing, take place at University Settlement Camp in Beacon, New York. The event offers two challenging distances: a half marathon of 14.5 miles with approximately 4,800 feet of elevation gain, and a full marathon of 26.4 miles with about 9,000 feet of g..

3 Days at the Fair is a multi-day ultrarunning event held at the Sussex County Fairgrounds in Augusta, New Jersey. The event features a certified 1-mile flat loop course composed of pavement and crushed gravel, suitable for various race distances including 6, 12, 24, 48, 72, and 144-hour races, as w..

June 2026

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..