Trail Running Calendar United States 2026-2027

A community fundraiser at Mendon Ponds Park with in-person and virtual 5k options plus a Trail X Challenge and a 10k combo. The event supports ROCovery and includes event swag and packet pick up dates.

Trail races of 5K and 10K on the singletrack trails of Chewacla State Park in Auburn, Alabama. Part of the Southern Singletrack series and benefiting Valley Rescue Mission, with aid stations and race shirts included.

A fast, net downhill marathon and half marathon on a smooth packed gravel rail trail near Snoqualmie Tunnel. The marathon is USATF certified and a Boston qualifier; headlamps are required for the tunnel section.

Konza 25K & 10K takes place September 13, 2026, at Konza Prairie Nature Trail in Manhattan, KS. The event includes 25K, 10K and a virtual race with tiered registration fees across three periods.

A trail stage race on the Knobstone Trail with 5 mile, Half Marathon, 18 miler and a new 50K option; proceeds support the Suicide Awareness Mission and local scholarship grants.

A September mountain race at Echo Lake State Park offering a five mile course and a half marathon that climbs over 4,300 feet of vertical. Courses run on granite ledges and exposed ridges with remote aid stations.

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.

A 5K and 10K trail run in Letchworth State Park on September 13, 2026 featuring woodland courses, finisher medals, a post-race celebration at Trailside Lodge, and timed results with downloadable certificates and photos.

An inaugural trail festival at Greek Peak Mountain Resort in September 2026 featuring multiple mountain races, a kids mile, and a dog friendly 5k. Night races require headlamps and an Uphill 1k climbs the Iliad slope.

A fall mountain event on September 13, 2026 featuring a 25K loop past Crystal Mill, an 8 mile Quarry Climb, and a 2.5K kids run, with a post-race BBQ and proceeds benefiting Marble Charter School.

Support service members and their families at Reynoldsburg Civic Park. Choose between a 5k obstacle course with mud and walls or a stroller friendly paved 5k run through the park grounds.

Trail running at Fort Valley Trailhead in Flagstaff with 6K, 10K, 20K, 30K, and 50K courses on named loops. Packet pickup is available before the race and aid stations will be no more than seven miles apart.

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.

Wicked Fast Marathon & Half Marathon Poconos runs along the Lehigh River on the D & L Trail with a consistent net drop of about 1%. Both distances are USATF certified and finish at the Outdoor Center in Lehighton.

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.

A community event at Herndon Park using the American Tobacco Trail with a 5K, a 1 mile fun run and a virtual Sleep In Superhero option. Proceeds support outreach and education on organ eye and tissue donation in North Carolina.

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.

A trail event at Richfield Heritage Preserve on September 13, 2026, offering 50K, half marathon and 10K distances on a 6 mile loop with natural trail features and aid stations.