Trail Running Calendar United States 2026-2027

Run the scenic Lean Horse Ultra through the Black Hills from Custer on the gentle rails to trails George S. Mickelson Trail. Distances span 20 miles to a sanctioned 100 mile race with relay and team options on limestone.

Experience the Wild West Relay, a scenic point to point 200 mile run from Fort Collins to Steamboat Springs. Solo runners and teams of every size are welcome, with live GPS tracking and a mountain finish at Steamboat Springs Ski Resort.

Join the SoCal Summer evening 6K or 12K at Lower Arroyo Park in Pasadena on July 31 2026 and celebrate after with tacos and drinks. Scenic park routes and friendly vibes make this a perfect summer night run.

Take on high alpine trails at Sheep Mountain Trail Runs in Fairplay Colorado with half marathon, 50k and 50 mile options across dirt roads, forest tracks and technical rocky sections above 10,600 feet. Small field, well stocked aid stations..

Hood Hundred is a challenging 100 mile mountain trail race on Mt Hood with roughly 17,300 ft of ascent and descent across a scenic lollipop loop. It is a Western States qualifier with a 34 hour cutoff and rewards finishers with a custom met..

Experience Mt St Helens up close at Volcanic, a rugged trail race from Marble Mountain Sno Park on August 1 and 2, 2026 with 50K and 25K options. Tackle lava and boulder fields, steep climbs and lush forest for a memorable mountain adventur..

Run the Kennebec Mountain Run on Aug 1, 2026: a rugged 15 mile trail in the La Plata Mountains with 3,100 feet of gain up to about 12,200 feet. Limited to 150 racers, this nonprofit supports La Plata County Search and Rescue.

Blue Hill Mountain Trail Fest in Blue Hill, ME offers scenic trail races from 5k to 50k with summit climbs, wildflower fields, technical forest trails and coastal views. Proceeds benefit Blue Hill Heritage Trust and Wabanaki Alliance.

Run scenic single track trails at Twin Creeks Farm in Valparaiso with 4, 9, and 18 mile options across wooded switchbacks, bridges and creek views. All finishers get on site awards and podium prizes await top runners.

Take on alpine trails in Aspen Colorado with three distances 50K, marathon and heavy half, all starting at Rio Grande Park on August 1, 2026. Finishers celebrate at the Duck Derby festival with music, food and awards.

Run a night trail challenge at Cedar Hill State Park on Aug 1, 2026, through forests and along Joe Pool Lake. Distances range from roughly 5K to 54K on moderate to rugged singletrack with an 11 hour time limit and aid at Copperhead Corner.

Run high altitude technical trails at Tushars Mountain Runs from Eagle Point Resort in Beaver Utah on August 1, 2026. Choose 100K, 70K, marathon or half marathon routes that climb above 11,000 feet for a mountain challenge.

Steel City Human vs Horse at Hillman State Park on August 1, 2026 pits runners against equestrians on scenic single track, gravel and meadow trails. Choose 20k, 50k or 50 mile for a rare side by side endurance race.

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.

Run alpine trails at Taos Ski Valley on August 1 and 2 2026 with 10K and 20K courses, a Vertical 1K climb, and a kids 1K. Challenge big climbs, savor views of Kachina and Wheeler Peaks, and enjoy finish line swag and recovery.

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.

Hit the trails at the Yellowstone Trail Marathon in West Yellowstone, Montana, offering marathon, half marathon and 10K courses that start and finish at Rendezvous Ski Trails. Enjoy rugged mixed terrain, aid stations and finisher medals in..

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 returns Aug 1, 2026 at Ward Pound Ridge Reservation near NYC, offering multiple distances from runnable loops to epic 50 mile challenges. Expect wooded technical trails, ridge views, finisher medals and podium awards..

Join the Triple Dog Dare in Irving on August 1, 2026, featuring 5K, 10K, 15K, an untimed 1 Mile, a free Kid's Dash and a virtual option. Enjoy a participation shirt and finisher medal while supporting Encounter Church.