Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4191 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A 5K and 10K trail race at Chewacla State Park in Auburn, Alabama on September 13, 2026, featuring wooded singletrack, aid stations, a race shirt, and overall awards; proceeds benefit Valley Rescue Mission.

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.

The 14th Annual Konza 25K and 10K take place at Konza Prairie Nature Trail in Manhattan KS on September 13, 2026, with tiered registration fees and fundraising options.

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, Indiana offering 5 mile, half marathon, 18 mile and 50K options on single track terrain; aid stations and awards are provided and proceeds support a suicide awareness foundation.

Mountain trail races at Echo Lake State Park on September 13, 2026, offering a half marathon with over 4,300 feet of vertical gain and a technical five mile course across granite ledges. The event is part of the Merrell 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.

A multi race trail weekend at Greek Peak Mountain Resort in Cortland, NY, featuring daytime and night races, an uphill 1k event, a dog friendly 5k, and a marked kids mile alongside on site resort amenities.

Mountain races in Marble, Colorado on September 13, 2026 offering a 25K loop, an 8 mile quarry climb, and a kids 2.5K. Entries include a BBQ lunch, event shirt, finisher medal, and proceeds support Marble Charter School.

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.

Big Brad Ultras at Bradbury Mountain State Park offers 25K and 50K options on a 15.5 mile single track loop. The course features technical terrain, multiple aid stations, drop bag access, and significant elevation gain.

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.

A 10k mountain run through the Swiss-rooted village of Helvetia, West Virginia, following historic settlement trails and running through the town center. The race coincides with the Helvetia Fair and is paired with the Blackwater Canyon Hal..

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