Trail Running Calendar United States 2026-2027

Run the rugged Loowit Trail around Mt. St. Helens with volcanic vistas, lava fields and dense forest. Choose a 25K or the full 50K circumnavigation for a true backcountry challenge with limited entries and rustic car camping.

Take on the Kennebec Mountain Run, a 15 mile trail with about 3,100 feet of climbing to a high alpine pass. Limited to 150 runners, the grassroots race raises funds for La Plata County Search and Rescue and showcases Colorado scenery.

Run or hike scenic singletrack to coastal summit views at Blue Hill Mountain Trail Fest near Blue Hill, Maine, with distances from 5k to 50k. Proceeds benefit Blue Hill Heritage Trust and the Wabanaki Alliance.

Tackle tree covered single track and creek crossings at Oakadoke Trail Runs in Valparaiso on August 1, 2026, with 18 mile, 9 mile, and 4 mile options for all abilities. Custom finisher awards and youth pricing make this a fun family friendl..

Take on the Aspen Backcountry on August 1 in Rio Grande Park with three distances from a 50K to a hearty half marathon over rugged alpine trails and big elevation gain. Celebrate at the finish festival with live music, food trucks and famil..

Blazin' Summer Sufferfest lights up Cedar Hill State Park at night with looped trail races from 5K to 54K across forest and grassland. Trails are unlit so carry hydration and a reusable cup for a rugged, adventurous night run.

High alpine trail running at Eagle Point Resort near Beaver, Utah, with distances from half marathon to 100K. Technical singletrack, big climbs above 10,500 feet, staffed aid and onsite camping for a true mountain challenge.

Take on Steel City Human vs Horse, a unique trail event where runners and riders share the same course to compare times. Pick 20k, 50k or 50 mile distances and race across single track, gravel and meadow at Hillman State Park near Burgettst..

Run a 5K, 10K or Half Marathon around scenic Green Valley Lake, tackling a lake loop and a challenging climb to forest viewpoints on mixed paved and dirt roads. Enjoy post race festivities while supporting The Children’s Forest.

Taos Ski Valley hosts the Up & Over Trail Run weekend Aug 1 and 2 featuring a high alpine 10k, a steep Vertical 1k, a two day challenge and a kids 1k. Big climbs, sweeping peak views and a technical descent make this a must do.

Run the Vineyards at Bohemia Manor Farm offers scenic 5K and 8K courses through vineyards, waterfront and wooded trails, chip timed with live results. Finish with refreshments, a souvenir wine glass and an after party on the river.

Experience the Yellowstone Trail Race in West Yellowstone, Montana on August 1, 2026, from Rendezvous Ski Trails. Choose marathon, half marathon, or 10K on scenic, challenging trail terrain.

Run through rugged Wyoming Wilderness at El Vaquero Loco on Aug 1, 2026, choosing a challenging 50k or 31k course. This community race supports Star Valley High School track and cross country while showcasing scenic, off road trails.

Ridge Reaper Trail Runs on Aug 1, 2026 at Ward Pound Ridge, a scenic preserve 50 miles north of NYC. Choose 25K, 50K or 50 mile timed courses on technical singletrack and wide carriage roads with ridge views.

Join Triple Dog Dare in Irving on August 1, 2026 at Sam Houston Trail Park for 1 mile, 5K, 10K and 15K races plus a free kids dash. Enjoy a themed shirt, custom finisher medal and age group awards with in person and virtual options.

Riley Park Trail Races on August 1, 2026 at Thomas F Riley Wilderness Park feature a 3.3 mile loop with distances from 5k to 30k plus a 6 hour challenge. Every finisher receives a race shirt and medal and the course welcomes all paces.

Join the Philmont Trail Race on August 1, 2026 in Cimarron New Mexico for trail runs from 8 to 50 miles across scenic Philmont Scout Ranch. Proceeds benefit Philmont Scout Ranch and the Boy Scouts of America.

Run the Mattawan Wildcat Road and Trail 5K through neighborhood streets and scenic wooded trails, finishing on school grounds with a festive community vibe. All finishers earn medals and proceeds support Brainstrong education programs.

Run for the Oaks is a scenic trail day at Left Coast Estate with 5K and 10K routes through vineyards and old growth oak savanna. Finish with wine tasting, live music, and help fund oak restoration.

Run a scenic 10k around Stryker Lake at Griffin Bike Park with rolling hills, wide trails and two friendly laps that make passing easy. Camping at Fowler Park and the concurrent DINO Gravel Triathlon create a lively event atmosphere.