Trail Running Calendar United States 2026-2027

A four-week, 90-minute trail running series for runners comfortable with about 3 miles. Sessions cover warm-ups, guided runs, hill and footwork drills, gear and safety, and include trail socks and gifts.

Two 5K trail races on June 4 and September 17, 2026, at the 27th Street Trailhead in Ogden, Utah. Entries are capped at 75 per date and proceeds support local trail building and maintenance.

Three summer trail races in Durango pair 5K to 10K courses with local breweries, post race beer for those 21 and older, and awards. Each event is professionally timed and benefits local nonprofit partners.

Thursday Night Hustle at Mt Van Hoevenberg is a weekly summer series of trail runs and mountain bike races on Thursday evenings from early June through early August. Divisions run from kids to adults, courses alternate between hilly and fla..

A recurring, in-person group trail run for women and nonbinary people around the North Reservoir in Winchester, MA, covering a conversational 3 mile loop at about 11 to 12 minutes per mile. Sessions are led by local run leaders and cancel f..

A looped ultramarathon on the Jericho Horse Trail in Francis Marion National Forest offering distances from 10 km to 100 miles, hot swamp conditions in June, three aid stations, and specific pacer rules for longer distances.

Tsalteshi Backyard Ultra is a Last Runner Standing running event in Soldotna, Alaska on June 5, 2026, listed at 538 Arena Ave. The event listing notes a website and a Facebook event and shows registration closing on June 4.

A timed trail event in Fairbanks on June 5-6, 2026 offering 6 hour, 12 hour and 24 hour formats on a roughly 6 mile loop at the University of Alaska Fairbanks West Ridge with mixed trail surfaces.

A trail running weekend in Morgan Monroe State Forest featuring a 100 km race and a 20 mile loop. The mostly single track course includes about 8,500 feet of climbing and offers virtual and economy no swag options.

Experience a mountain running event in Idaho featuring distances from 23 miles to a 100 mile ultra. Navigate technical trails with significant vertical gain while supporting environmental conservation and community inclusivity.

A trail running event at Wolf Creek Trails in Fayetteville offering a 10 km run and a 5 km run or walk, with start and finish at Bridge Brew Works and packet pick-up and post-race gathering at the brewery.

Point-to-point trail events of 112 miles and 50 miles along the New England Trail in Connecticut. Self-navigation is required, crew support expected, and donations to the Connecticut Forest and Park Association are required for entry.

A mountain trail event in Snowmass Village on June 5-6, 2026 offering a 6.6 mile Red Loop and timed 6 hour and 24 hour ultras, with campground hub, on-site amenities, and 2026 as the final year at Snowmass.

Experience a timed 5K trail run or walk through the scenic woods and fields of the Van Vleck Farm and Nature Sanctuary. Enjoy live music and food trucks at this annual community event in Woodbury.

Trail races in Washburn, ND with a 4 mile coulee course and a 1.5 mile kids run for ages 10 and under. The course features grass, gravel, logs and muddy sections, and awards are given by overall and age divisions.

A team trail relay in Snowmass Village on June 5-6, 2026 covering 120 miles total, about 15 miles per runner, with substantial elevation gain, village camping and recreation center amenities. The event is closed.

A two day ultramarathon gathering at Sky Maple Farm in Hillsborough NC that combines looped running with moving meditation, sound baths, yoga, equine assisted meditation and a vegetarian farm to table dinner.

An evening 5K on Vail Mountain starting and finishing at Nature Valley Mountain Plaza, run as a single mass wave over varied mountain terrain with cupless aid and multiple age categories including nonbinary.

A full weekend of Spartan obstacle races at Perfect North Slopes near Cincinnati, with Sprint, Super, Beast, Ultra and kids races across hilly, muddy terrain and a festival at the base lodge.

A multi-distance trail event in Abingdon, VA featuring *50 Mile*, *55K* and a *25K Pepsi Challenge*. The course includes long downhill sections, crew access, cupless rules and shuttle service, and is part of a multi-race series.