Trail Running Calendar United States 2026-2027

The Georgia Jewel in Dalton, GA on September 18 to 19, 2026 offers 100 mile, 50 mile, 35 mile and 18 mile trail races on the Pinhoti with extensive single track, bused starts for shorter races, and crew friendly loops.

Mile Madness is a multi day looped course event in Auburn California offering timed runs from 6 hours to 72 hours, a one mile loop with two aid stations, on-course food and services, and finish buckles for 100, 150 and 200 miles.

Red River Ultrafest The Red River Ultrafest is described as Fargo/Moorhead's first ultramarathon. The event offers multiple timed races for participants to cover the maximum distance they can within a set period. The event features both run..

A three-day Scottish heritage festival at Loon Mountain Resort in mid September featuring music, Highland Dance, heavy athletics, sheep dog trials, seminars and family programming.

An obstacle race in Dallas, Georgia on September 19, 2026 with new 2026 obstacles, multiple course options, and a Syndicate medal for those who complete two or more courses; parking is $20 at the gate.

Test your limits at the birthplace of Spartan Race in the Green Mountains of Vermont. Choose from distances ranging from 5km to 50km featuring steep climbs and rugged off trail descents at the iconic Killington Ski Resort.

Experience an obstacle course championship weekend at Meadow Wood Equestrian Center. Choose from several distances through evergreen trails and narrow paths between the Cascade Mountains and Puget Sound.

Road Atlanta Trail Run is an event at Road Atlanta organized by Dirty Spokes Productions. The organizer runs off road cycling adventures and offers custom bike builds.

A marathon and half marathon along the Jordan River Parkway Trail in Utah, featuring wetlands, parks, bridges, marked trail sections, race photos, stocked aid stations, a locally made finisher medal, and a post-race breakfast.

A 13-mile mountain trail run in Ouray, Colorado, starting and finishing at Fellin Park. The event is a fundraiser for the Ouray School, is intended to be cupless with three water stations, and offers awards for top finishers.

Scenic trail races near the Three Sisters in Sisters, Oregon offering a 50K with extensive single track and a point to point half marathon with a net downhill. Both races finish in the town of Sisters and feature mountain views.

Multi-distance ultrarunning event in Junction City, Kansas featuring 100 mile, 50 mile, 50K and a 36 hour option on a shaded river trail with aid stations every 5 miles and finisher buckles for all events.

A Backyard Ultra at Pollmiller Lake Park in West Point, Iowa featuring repeated 4.167 mile loops with a one hour limit per loop. The single loop course mixes paved path, gravel, and trail, and onsite camping is available.

A trail event in Lock Haven, PA featuring a boulder field and two distance options, 25 miles and 25K. Registration opens December 16 and is limited to the first 600 entries with a September 1 deadline.

Trail races in Charles E Baker State Forest near Brookfield, NY offering 5K, 15K and a 50K with 4,600+ feet of vertical gain and a 9 hour cutoff. Onsite grilled food supports the Brookfield Central School Senior Class.

Timed trail races at Lakeside Park in Pawling, NY on an approximately 1.68 mile loop with 3, 6, 12 and 24 hour options, cupless format, aid station supplies, finisher medals and specific support and pacer rules.

A multi-day trail festival at Wawayanda State Park in mid-September 2026 featuring races from 1 mile to 100 miles, free participant camping, a 36 hour 100 mile option with a single late cutoff, and community mental health partnerships.

A 7.9 mile trail race at Crystal Mountain, Washington with about 2,614 feet of vertical gain, three competition divisions offering cash and gear prizes, and season points awarded to the top 20. Field capped at 700 entries.

Remote ultra events near Leavenworth, WA feature the Plain 100K and Plain 100 Mile on USFS trails and roads with about 21,000 feet of elevation change and self-support requirements.

Trail runs at Granite Beach on Folsom Lake with new 10 mile and 5K courses, aid stations, age group awards, a finisher beer glass and a postrace meal.