Trail Running Calendar United States 2026-2027

Trail runs at Twin Creeks Farm in Valparaiso feature tree covered single track, switchbacks, bridge crossings and farmland views. Races include 18 mile, 9 mile and 4 mile looped courses with finisher awards and youth pricing.

A trail running event in Aspen on August 1, 2026 offering 50K, marathon and heavy half marathon distances on mostly dirt trails, with remote aid stations, high alpine terrain and a finish line festival alongside the Duck Derby.

A night trail event at Cedar Hill State Park with approximate 5K, 10K, 18K, 36K and 54K options on the DORBA trail system. Runners must carry hydration and may need illumination for night sections; aid stations are limited.

High-elevation mountain trail races from Eagle Point Resort, Beaver, Utah, on August 1, 2026. Four distances (100K, 70K, marathon, half) on technical routes with significant climbing and mandatory safety gear for long distances.

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.

A mountain 5K, 10K and half marathon around Green Valley Lake, CA, featuring mixed paved and dirt surfaces, multiple aid stations, chip timing, race awards, and proceeds benefiting The Children’s Forest.

A two day trail running weekend at Taos Ski Valley on August 1 and 2 2026 featuring a 10K with a 2,612 ft climb, a 20K double loop, a vertical 1K up Al's Run, a kids 1K and combined race options.

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.

Trail races on August 1, 2026 in West Yellowstone, Montana at Rendezvous Ski Trails. Events include Marathon, Half Marathon and 10K on Custer Gallatin National Forest trails; participants are advised to carry bear spray.

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.

Looped trail races at Thomas F. Riley Wilderness Park offering 5k through 30k and a 6 hour event on August 1, 2026; registration opens February 1.

A trail running event in Cimarron, New Mexico on August 1, 2026 offering 50 mile, marathon, 18 mile, and 8 mile races. Proceeds benefit Philmont Scout Ranch, a large high-adventure camp with more than 300 miles of trails.

Run the Mattawan Wildcat Road & Trail 5K, a spirited course from Mattawan Elementary winding through school fields into wooded trails. All finishers get a medal and proceeds support the Mattawan Public Education Foundation and Brainstrong.

A trail event at Left Coast Estate in Rickreall Oregon on August 1 2026 offering 10K and 5K run and walk options plus virtual choices. Proceeds support the Oak Savanna Restoration Project and include post race wine tasting and awards.

A 10k trail race at Griffin Bike Park in Terre Haute on August 1, 2026. The two lap course circles Stryker Lake with rolling hills and generally stable footing; finishers earn bonus series points based on placement.

Trail race in Goshen, Vermont beginning and ending at Blueberry Hill Inn. It offers 14 and 36 mile mountain single track routes with significant elevation gain, summit views, aid stations and primitive camping.

Steel City Human vs Horse invites runners and horseback riders to Hillman State Park to race side by side across scenic 20k, 50k, and 50 mile courses. A pre race safety meeting is required and camping is available for horses and people.

Run a scenic mountain 50K or 10K from Winter Park Resort into town with flowing singletrack, aspen groves and views of the Continental Divide. Expect changing high altitude conditions, full aid stations and a finisher award.