Trail Running Calendar United States 2025-2026

We have found 2249 Trailruns in United States. Check below where and when you can find the races.

Run the Tomorrow River Trail Half Marathon from Plover to Amherst, Wisconsin, with over nine miles on a scenic river trail and a festive finish at Central Waters Brewing Co. Trail views and brewery celebration await.

Run Spartan Trail at Toro Park in Salinas on May 31, where rolling golden hills and smooth trails set the stage for marathon, half and 10K trail races. Enjoy scenic singletrack, a lively community vibe and team and service member discounts.

June 2026

Challenge yourself at Mohawk Mountain in early June 2026 with timed endurance events from 12 hour to 84 hour and distances up to 152 miles. Race solo or with Trail Buddy or Trail Family teams, tackle night sections and enjoy base support an..

Experience the Alaska Endurance Trail Run on UAF West Ridge trails, racing under the midnight sun in Interior Alaska for a unique ultramarathon vibe. Choose 6 hour, 12 hour or 24 hour timed challenges to test endurance on scenic trails and..

MoMoFo in Morgan Monroe State Forest offers a rugged 100 km and a single loop 20 mile, both UTMB index races. Mostly single track through old growth forest and lakes with big climbs; virtual entries receive finisher swag.

UTMB Index

Tackle the Hell Hole Hundred in early June on flat dirt and single track through the swampy Jericho Horse Trail near Bethera SC. Options from 10k to 100 miles, primitive camping and stocked aid stations make for a classic southern ultra.

Scout Mountain Ultras near Pocatello Idaho is a rugged trail weekend in early June with races from 23 to 100 miles, the 100 mile acting as a Hardrock qualifier. Expect big climbs, variable snow and mud, and an inclusive field.

The Tsalteshi Backyard Ultra will take place in Soldotna on Friday 5 June 2026.

Experience alpine single track through meadows and forests at Granby Ranch Resort on June 6, 2026, with distances from 6 mile to 50k. Test your limits in the Elevation Challenge where repeated loops add to your total climbed elevation.

Run through the Huron River Watershed with point to point 100 mile and 50 mile trail ultras near Grass Lake Michigan. This charity event features rugged singletrack, big climbs and a cupless zero waste focus while supporting local waterways..

Challenge yourself at the Bay Area 100 on June 6, 2026, a scenic point to point 100 mile race across East Bay ridgelines, redwood forest and Lake Chabot. Limited to 150 runners, the course features about 18,000 feet of climbing and a 33 hou..

UTMB Index

Run a rugged 50k loop, a net downhill half marathon, or a smooth 10k in Old Fort, NC with finishes at Camp Grier. Expect scenic ridge views, single track trails and full aid station support.

Run Under The Stars Paducah invites runners to chase distance in a chip timed 10 hour endurance event on a lighted half mile oval at Carson Park, with distances from half marathon to ultra. A family friendly RUTS Kids Run welcomes ages 1 to..

Join the 28th annual Lake Mingo Trail Run on June 6, 2026 in Danville, IL for a scenic 7.1 mile loop of trails, hills and marshes where mud and wildlife add to the fun. Celebrate with food and beer at the post race party.

Run a half or full marathon along the shaded Pennypack Creek bike path in Philadelphia, mostly flat with a few rolling hills. Finish at Ed Kelly Amphitheater with German themed festivities, a pop up beer garden, bratwurst and a finisher med..

Sawmill Ultra brings scenic high country trail running to Mt Charleston with solo, relay, and virtual options across looped distances. Run forested single track at 7,500 feet, enjoy aid stations, hearty post race food and free canned beer f..

Cottonmouth 8 Mile & Beerlay at Lakewood Nature Preserve is four laps of a scenic two mile grassy loop through rolling, wooded hills. Bring your beers for a playful relay and post race party supporting the Upstate Running Club Youth Team.

Rock River Canyon in Munising, Michigan is a June trail race with 50K and 27K out and back routes over rugged single track and forest roads. Limited to 100 runners, it offers commemorative awards and stunning North Country scenery.

Discover scenic single track and forest trails on Vashon Island with 50K, 20 mile and 10 mile options. Small field, community feel, and proceeds support island youth athletics make this a rewarding run for every trail lover.

Enjoy the Saw Wee Kee Summer Trail on June 6 at Saw Wee Kee Park, featuring soft, twisty trails, rolling elevation and seasonal surprises from mud to blooms. Bib timed wave starts, seasonal swag, and a piece of a four race series medal.