Trail Running Calendar United States 2026-2027

Trail races at Wolf Road Woods on June 27, 2026 offer three loop choices covering 3, 6 and 9 miles with varied off-road surfaces, tiered registration fees and post-race refreshments and awards.

Night Owl 9k at Freedom Park in Williamsburg VA is a mixed-surface trail race with single track, fire road and paved sections, rolling hills and technical terrain. Walkers are welcome and all finishers receive medals.

Operation HAYSTACK is a half marathon in Nederland, Colorado on June 27, 2026. The course covers 13.1 miles with 4,226 ft of elevation gain and the listed entry price is $105 plus tax.

A ruck style trail event at Crystal Mountain Resort on June 27, 2026, offering three distances with a 20 lb dry load and elevation gains listed up to 5,629 ft.

A 10 miles out-and-back event at Smith Mountain Cooperative Wildlife Management Area in Sandy Level, Virginia on June 27, 2026. Three load options are available: LIGHT 10 pounds, STANDARD 25 pounds, and HEAVY 50 pounds.

A weekend of Spartan obstacle races at Carter and Stevens Farm in Barre MA featuring a 5 km Sprint with 20 obstacles and a 10 km Super with 25 obstacles. The program also includes a kids race and an obstacle workshop.

Experience a weekend of outdoor sports at McDougal Lake with trail runs and mountain bike races ranging from 4 to 32 miles. Compete for podium spots or enjoy the party lap at this multi discipline trail festival.

Test your endurance on a 2 mile paved loop at the Rodale Park 12 Hour Challenge. Cycle, run, or walk to support the development of the September 11th National Memorial Trail.

Trail races at Bridger Bowl on June 27 include a technical 20K and a two loop 5 Mile junior race; both use chip timing and include a catered lunch and awards, with cupless aid stations on course.

A chip timed trail run on the Crown Z Trail beginning at Ruley Trailhead in Scappoose, Oregon. Distances include 5K, 10K and a half marathon with shuttles from Scappoose High School and limited spots available.

Mud Factor Eugene is a mud-based 5K obstacle run at Eugene MX Park in Junction City on June 27, 2026. The event includes Kidz Family and Adult waves, a festival area with a spectator fee, and required signed waivers.

A three-race trail series near Glenwood Springs, Colorado, running June 27 to September 19, 2026, with 5k, 10k and half marathon options, bib pick up at Sunlight Mountain Resort and one aid station on the half marathon course.

A 30K trail race at Mount Airy Forest in Cincinnati made of three 10K loops. Finishers receive a t-shirt and medal; the race counts toward the Alpine Trail Race Series and awards series points.

A 3.1 miles moonlight trail run at Lakeside Park in Pawling, NY with varied terrain, glow markers, required personal light, post run towel and a handmade finisher medal. Proceeds support the Pawling Recreation Department.

Alderfer 5K Trail Race at Alderfer Ranch in Evergreen Colorado is a 5 km trail event with shuttle service from Wulf Rec Center. The course is cup free with no aid stations, and water and refreshments are available at the venue.

A backyard ultra at Countryside YMCA in Lebanon, Ohio where runners complete 4.1667 mile loops each hour until one remains, with traditional last runner standing and fixed 12 hour and 24 hour options.

A 5K and untimed family run at Martin Marietta Hatton Quarry in Cove, AR, featuring chip timing and cash prizes for top finishers. Post-race activities include rock painting, vendors, and an off-site after party.

A community trail event in Fayetteville combining a 1K adaptive dash for families affected by autism and a 5K loop through Kessler Mountain, organized by Mitchell’s Mountain to support local services and accessible trail development.

Timed endurance racing on a 5K loop at Heritage Park in Adrian, Michigan, offered in 3 hour and 6 hour formats. Participants complete as many loops as possible and have access to central aid, gear access, and post-race recognition.

A trail running event near Issaquah, WA, with 50K, Half Marathon, 5 Mile and Kids Race options across Tiger Mountain trails, steep summit climbs, aid stations, and finish-line refreshments.