Trail Running Calendar United States 2026-2027

Tierra Redonda Mountain Trail Run and Camp in Bradley CA runs September 18 and 19, 2026, and offers multi day timed events plus 20 km and 10 km trail distances, with camping on site.

Celebrate the 30th anniversary of the Air Force Marathon at Wright Patterson Air Force Base in Dayton, Ohio, a Boston qualifying course that finishes at the National Museum of the United States Air Force. Choose from marathon, half, 10K, 5K..

A 24-hour event in Salisbury where individuals and four-person teams run hourly 5K loops on Pemberton Park trails. Points-based scoring, an aid station at start/finish, and awards for top individuals and teams.

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.

A looped endurance event in Auburn, California from September 18–21, 2026 offering timed runs from 6 to 72 hours, a 100 mile race, glow run, and relay options on a one mile loop with full aid support.

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.

Savage Race returns to Dallas, Georgia on September 19, 2026, offering two obstacle courses (3+ miles or 5-7 miles) with new 2026 obstacles, tiered ticket pricing, and a Syndicate medal for completing multiple courses.

A multi-day Spartan obstacle weekend at Killington Ski Resort on Sep 19 to 20, 2026, with Sprint, Beast, Ultra and kids races across steep off trail mountain terrain.

A Spartan obstacle race weekend near Monroe, Washington, set on wooded trails between Puget Sound and the Cascades. Events include Sprint 5 km 20 obstacles, Super 10 km 25 obstacles, Beast 21 km 30 obstacles, kids races, workshops and a 4 h..

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.

Trail races in Sisters, Oregon offering a 50K and a half marathon with extensive single track sections and mountain views of the Three Sisters. The 50K has multiple stocked aid stations; the half has one aid station and a net 1500 ft downhi..

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 events at Lakeside Park in Pawling, NY on a 1.68 mile mixed-surface loop offering 3, 6, 12 (day and night) and 24 hour races. The event is cupless, has an aid station and crew area, finisher medals, and buckles for 100+ miles.

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.