Trail Running Calendar United States 2026-2027

A marathon and half marathon on September 13, 2026 at Hyak Snoqualmie Pass featuring a packed gravel course with about 1,000 feet of net downhill and a run through the Snoqualmie Tunnel; the marathon is a USATF certified Boston Qualifier.

Experience the 14th annual Konza 25K and 10K at the Konza Prairie Nature Trail in Manhattan, Kansas. This September event offers scenic distance running and fundraising opportunities within a beautiful prairie landscape.

Experience a scenic trail run through tall pines and aspens in Incline Village. Participants can choose between one or two laps on a course featuring creek crossings and a festive grass field finish.

A trail stage race on the Knobstone Trail in Borden, IN offering 5 Mile, Trail Half, 18 Mile Ultimate and a 50K that combines the half and 18 mile courses; rugged single track with aid stations and proceeds to SAM'S Foundation.

A mountain trail event in North Conway offering a technical 5 mile Little Beast and a half marathon Beast of the East with significant vertical gain and exposed alpine sections. Part of the SKYRUNNER USA Series.

Experience a historic run at Pompey’s Pillar National Monument with an RRCA qualified 5k or a relaxed 1 mile walk. Support local history and preservation while enjoying the scenic Montana landscape this September.

Run through the scenic "Grand Canyon of the East" at Letchworth State Park. Choose a 5K or 10K trail course, both starting near the Trout Pond. All finishers receive a medal and post-race food.

Experience the inaugural Greek Peak Running Festival featuring mountain trails and uphill climbs. Choose from diverse distances including night runs and family events at the scenic Greek Peak Mountain Resort.

Discover the scenic Elk Mountains in Marble Colorado with trail races ranging from a 25 km loop to a kids fun run. Support a local charter school while enjoying peak fall colors and a post race barbecue meal.

A fundraising event in Reynoldsburg with a team or individual 5K obstacle course and a separate paved 5K through Civic Park, supporting Hope For The Warriors and awarding medals to finishers.

A multi-distance trail run at Fort Valley Trailhead in Flagstaff featuring routes through pines and aspens, looped 6K to 50K options, on-course aid stations, and event finisher items.

Bradbury Badass Races in Pownal ME use a 15.5 mile singletrack loop offered as a Half Pint 25K or a Pounder 50K two lap option, with two aid stations, a 10 hour race cutoff, and a 100 runner cap per race.

Experience the Iowa Trail Run Series at Jester Park featuring 5K, 10K, and 10 hour enduro options. Run along the shores of Saylorville Lake past buffalo enclosures on a mix of grass and dirt trails.

Explore the lush singletrack and mountain vistas of Mt. Spokane State Park. Choose from several trail distances starting at Selkirk Lodge for a true alpine adventure.

Experience the natural beauty of Oak Openings Metropark with a 25k or 5k trail race. Support global health initiatives while navigating scenic forests and prairies on a professionally timed course.

Celebrate the hero in everyone by wearing a costume for a scenic run or walk along the American Tobacco Trail. Support organ and tissue donation awareness through your choice of a 5k or 1 mile event.

Experience a scenic 10 mile run or hike around the shores of Lake Summit on packed gravel roads. Enjoy mountain views and a pancake breakfast at the finish line in the heart of the Southern Appalachian Mountains.

Trail races at Richfield Heritage Preserve offering 50K, 1/2 Marathon and 10K on repeated 6 mile loops through single track, bridle trails, fields and camp roads. Aid stations provide water, gels and snacks with larger options for the 50K.

Experience a historic 10k mountain run through an original Swiss settlement trail in Helvetia West Virginia. This long running event coincides with the community fair and celebrates Swiss heritage in the heart of the mountains.

A community running event in Corrales on September 13, 2026, featuring timed 5K and 10K races plus a 1K kids fun run, on-site vendors, a Search & Rescue Technical Challenge, and fundraising for two nonprofit organizations.