Trail Running Calendar United States 2026-2027

Trail run in Auburn California on July 26, 2026 featuring 10.5 miles and 5.9 miles courses through single-track, dirt roads and a canal system with steep sections named Cardiac and Last Gasp.

A roughly 3.8 mile trail race at Kingman Farm in Madbury, NH on July 26, 2026, featuring rolling nordic style paths and switchback singletrack; proceeds support the Doug Flutie Jr. Foundation for Autism and day of registration is available.

A summer trail event in Penn Run offering 25K, 15K and 8K courses with wooden bowl awards, finishers' medals, post-race food and gift card prize drawings.

A family-friendly Glitter Run at Lucky Clover Farm in Gaylord, MI, featuring a scenic 5K and a one-mile Community Loop through lavender fields. Proceeds support Ignite Dance Co.'s outreach and scholarship programs.

Scribners Mill 5k is a trail race in Harrison, Maine that follows woods and river views through the Crooked River Forest. Part of the Loon Echo Race Series, proceeds support Loon Echo Land Trust.

Muddy Princess Michigan is a women only 5K obstacle mud run at Rouch Off-Road Vehicle Park on July 26, 2026. The course features 18+ obstacles, welcomes ages 7 and up, and is organized as non competitive with an emphasis on teamwork.

Experience a historic Colorado tradition where runners and burros compete together. Navigate mountain trails and high altitude passes while carrying traditional mining gear in this unique world championship event.

Experience a summer running tradition in Des Moines with distances including a half marathon, 10K, and 5K. Enjoy chip timed results, free photos, and finisher medals followed by ice cream at the finish line.

A trail run near Oakridge, Oregon featuring a 14 mile single-track course with 3300 feet of climbing and a 5.5 mile forest route. Both distances include aid stations and limited parking with shuttle support for the shorter course.

A community trail event in Crownpoint, NM with 10K, 5K and a 1 mile course on mixed terrain. Veterans' names can be printed on race shirts and stars mark repeat dedications.

Trail races in Kennedy State Forest near Virgil, NY offering 15K and 7K courses on marked single track, logging and dirt roads with stream crossings, significant climbs, and nearby primitive camping at Hauck Hill.

A summer trail race in Haines, Alaska covering 11.5 mile through rainforest and along an alpine ridgeline. Shuttle service to the start is available and race proceeds support the Haines Glacier Bears school cross country programs.

Iron Horse 8k is race two of the Black Diamond Running Series on July 26, 2026 at Montage Mountain in Moosic, PA. This 8k (5 miles) trail event features hilly terrain, free waterpark admission for registrants, and cash prizes for top finish..

A 30 km singletrack mountain race in the Catskills on July 26, 2026 with about 4,800 ft of climb and a six hour cut off. The remote route has limited aid, wave starts, and entry requires qualifying standards.

A trail 6 Miler in Fairview, Tennessee, featuring single and double track, gradual inclines, and pine straw surfaces. Pre race and race day packet pickup are available and top finishers receive HOKA prizes.

An invitational 135 miles ultramarathon from Badwater Basin in Death Valley to Whitney Portal near Mt. Whitney. The route includes three mountain ascents, about 14,600 feet of ascent, enforced time cut offs, and mandatory crew support.

A single 200 mile loop around Summit County, Colorado, running above 9,000 feet with roughly 40,000 feet of climbing. Field capped at 75 runners, live GPS tracking provided, and a multi tier deferral policy with no refunds.

A weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..

A weekly trail race series at Catamount Outdoor Family Center in Williston offering 5 km and 2.5 km options for adults and youth, with rain or shine operation, a specific thunder policy, and bib pickup and safety check-in procedures.

Three Wednesday evening 5K trail runs at Bloomer Park in Rochester Hills, MI, with chip timing, light post-run refreshments on two dates, a series finisher medal, and a post-series cookout. Single race and full series entry options are avai..