Trail Running Calendar United States 2026-2027

An eight week trail running series at Northshore Park in Flower Mound offering 5K and 10K singletrack races with chip timing, weekly podiums and final series awards. Registrations are final; transfers are allowed and weather credits apply.

Three days of timed mountain stages in Kodiak, AK that add each participant's times across all stages. Overall winners are named in Men's, Women's, and Teams categories and each stage awards a King of the Mountain.

A 100 mile loop through Lassen National Forest and the Thousand Lakes Wilderness with about 15,000 feet of climbing, on-site dry camping at Burney Mountain Guest Ranch, varied mountain terrain and a post race meal for runners.

A multi-day skyrunning festival at Palisades Tahoe featuring technical, high-alpine courses and multiple distances including an Ascent, 23k, 46k, the Iron Face via ferrata, and a kids race.

Experience an adventurous three day stage relay through North Central Washington for teams of eight. Navigate 225 miles of rugged trails and forest roads using old school maps in this unique low tech mountain running event.

Experience the starry skies of Northern Arizona at this night trail race through the Ponderosa pines of Flagstaff. Choose between three distances at 7,000 feet elevation and enjoy a well stocked aid station and custom finisher medal.

A remote multi-distance ultra in the Bighorn Mountains on June 19 to 20, 2026, featuring over 20,500 feet of ascent and long backcountry sections. All distances are currently full and wait lists are maintained.

Two ultramarathon options on a one mile loop in Galax, VA, with about 500 feet of climb per loop. Aid, hot food, basic camping, and finish buckles are provided; there is a 60 hour cutoff.

Explore the trails of Brown County State Park in this 8-hour trail run. Choose between a run-only option or a full weekend with camping. The event features looped courses and is free for members of the Indiana Trail Running Association.

Prepare for the Race Across the Sky at this three day training camp in Leadville. Run key sections of the 100 mile course alongside veteran guides and attend educational panels on nutrition and biomechanics.

A 12 hour night trail run on Helena's South Hills featuring a 100% singletrack figure 8 around Mount Ascension and Rodney Ridge, limited to 75 runners and supported by volunteers and an aid station.

Experience the Orange Curtain Endurance Run along the San Gabriel River in California. Featuring USATF certified courses from 10k to 100k, this event offers a fast and flat route perfect for personal milestones and Boston qualification.

Experience the beauty of New River Gorge National Park at this trail festival in West Virginia. Choose from distances ranging from a 5k to a 50k ultra while exploring forested trails and river views.

Celebrate Juneteenth with a scenic trail run through the hilly terrain of Schaeffer Farm in Germantown. Choose between 6k and 12k distances on a course that welcomes both runners and walkers.

A three nights and three days trail running camp in the Virginia highlands with three organized morning group runs on mountain routes, on-site camping and basic cabins, limited cell service, and shared facilities. Food and transportation ar..

A two day event at Gadsden Battlefield featuring a 10k obstacle race, a Friday night rope climb, a kids challenge, and volunteer opportunities. Multiple registration categories include competitive and non competitive options.

A trail relay at Hanson Hills Recreation Area on June 19 and 20, 2026, featuring smooth single track trails, team relay formats from three to eight runners, and a weekend village with camping, food trucks, and evening activities.

A Last One Standing trail race at Clark Reservation State Park on short looped courses. Runners complete timed laps with shrinking cutoffs until the last man and last woman remain.

A 45 mile trail event in Letchworth State Park that runs along both sides of the gorge and includes a relay option. Course support includes five fully stocked aid stations and remote stretches with eight to nine miles between stops.

A high elevation trail race in the Abajo Mountains near Monticello, Utah. Multiple distances run on remote singletrack with views of Bears Ears, Canyonlands and the La Sal Mountains.