Trail Running Calendar United States 2025-2026

The Country Roads Trail Run takes place at the Summit Bechtel Reserve in Glen Jean, West Virginia, near the iconic New River Gorge. This scenic trail running event offers two race distances: a 10K and a half marathon (21K). The course features varied terrain, including wide singletrack trails, steep..

The Diablo Trail Run takes place at Mount Diablo State Park, Mitchell Canyon Trailhead in Clayton, California. It offers distances of 4 miles, 10 miles, half marathon, marathon, 50K, and a Kids Run. The course ranges from a 4‑mile flat section to mountainous, scenic routes for longer distances, with..

The Macedonia Trail Race is a rugged trail running event at Macedonia Brook State Park in Kent, CT, hosted by Steep Endurance. Now in its seventh year, it offers 12K, 25K and 50K distances on lush forest single-track with grinding climbs, technical descents, and several views. The 25K doubles the 12..

Run to Fall 5K is a community cross-country event held at Coe-Brown Northwood Academy on the 1st New Hampshire Turnpike in Northwood, New Hampshire. The program features a 5k cross-country race on the CBNA course, a 2.5-mile trail walk, and youth races on the NH Youth State Meet Course, plus a kids’..

Glen Iris 5K & 10K Trail Run/Walk takes place in Letchworth State Park, Castile, NY, known as the Grand Canyon of the East. Both woodland-trail courses start and finish near Trout Pond, offering challenging routes with forest views, creeks, bridges, and wildlife. The event provides a social, scenic..

Skybreaker Racing’s Mammoth Bar Trail Runs take place in the Mammoth Bar OHV Area within the Auburn State Recreation Area, near Auburn, California. The event offers three distances: Half Marathon, 10K, and 5K, designed for a high-vertical, rugged trail experience. Participants can expect steep climb..

Mt. Spokane Trail Run on September 7, 2025, takes place at Mt. Spokane State Park in Mead, Washington.The event offers 25K, 10K, and 5K trail races through forested slopes, featuring rugged climbs, sweeping views, and lush singletrack for runners of all levels. The course is a rugged mountain advent..

Wild Woman Wilderness Adventure Runs offer a 17-mile, guided wilderness trail run in the Indian Heaven Wilderness near Trout Lake, Washington. This is a one-day, non-competitive, point-to-point adventure designed to build confidence, connection, and mountain-running skills, led by Wild Woman guides...

Winding Trails TRAIL RUNNING Series #3 is a Tuesday-night trail race series held at Winding Trails in Farmington, Connecticut. The 2025 edition runs five races from late August through late September, with participants choosing either a 5K or a 10K distance. Runners cover a roughly 3-mile loop on tr..

Rim Runner Trail Trek is the final race in Yellowstone Rim Runners’ Free 3 Summer Race Series, held at Dover Park in Billings, Montana. The event features a 5K-ish trail course on Dover Park trails with scenic views. It’s described as a low-key club race that replaces the group runs, with snacks pro..

Penn State Brandywine Preview, hosted in Media, Pennsylvania, is an invitational cross-country meet at 1671 N Providence Rd. The event features a 6K women’s race and an 8K men’s race as part of the Brandywine Invitational. While the page notes this is a Penn State Brandywine Preview and provides a l..

The Hobo Trail Runs, hosted by Rockford Road Runners, take place at Rock Cut State Park in Rockford, Illinois. This annual event offers multiple trail running distances including 10k, 25k, and 50k races, with options to participate in single races or the challenging Triple Crown series (85k total) o..

The Knight Ruck at Gov. Dick will take place in Mount Gretna on Friday 12 September 2025. You can run between 4 and 8 miles.

Lake Superior Shore Run is the 32nd annual multi‑distance race held near Marquette, Michigan, at Little Presque Isle Recreation Area with events including a Half Marathon, 5K, a 5 Mile Hike, and a 1‑mile Youth Trail Run (Kids Race) along the Lake Superior shoreline at South Beach. The half marathon..

If You're Not First You're Last is a unique endurance running event held in Eagle, Idaho, featuring a challenging 4.167-mile loop course. The race tests participants' stamina and grit rather than speed, as runners must complete each loop within an hour and be ready to start the next loop on the hour..

The Rut Mountain Runs is a three-day mountain running event held at Big Sky Resort in Montana, scheduled for September 12-14, 2025. It features a variety of challenging races including a 50K, 28K, 21K, 11K, and the Lone Peak Vertical Kilometer, as well as a Trifecta challenge combining the 50K, 28K,..

Pain in Moraine is a 24-hour trail running event held at Moraine State Park's South Shore in Portersville, Pennsylvania. The race features nearly perfect 10K loops (6.2 miles) with about 723 feet of vertical gain, covering Pleasant Valley, Hilltop, and Sunken Garden trails. Runners can complete as m..

Goat Rattler 100 is an ultramarathon in North Ogden, Utah, starting at McGriff Park. The 101-mile course features about 22,500 feet of elevation gain and is 97% single-track, offering dramatic Wasatch Mountain views. The event includes live GPS tracking, premium nutrition at aid stations, and free c..

Wicked Fast Marathon & Half Marathon Poconos (formerly Jack n Jill Poconos) takes place in Lehighton, Pennsylvania, with a two-day schedule around mid-September offering a full marathon and a half marathon. The courses run along the Lehigh River on the D&L Trail, starting north of White Haven and at..

Run Rabbit Run in Steamboat Springs, Colorado, features 100- and 50-mile ultramarathons through Routt National Forest and Emerald Mountain. The 50-mile course starts at the Steamboat ski area and climbs to Mount Werner, crosses the Continental Divide to Rabbit Ears Mountain, then returns, with about..