Trail Running Calendar United States 2025-2026

Choose the half marathon or 50K on the shaded, flat Dahlgren Railroad Heritage Trail in King George on August 8, 2026. Enjoy fast footing, a finisher medal and tech shirt plus post race food and drinks.

Run the Hot August Night Trail Race at Holder Mine Campground by headlamp on single track trails through the Withlacoochee Forest. Choose 5, 10 or 20 miles and earn a handcrafted finisher medal plus a post race picnic.

Run the scenic Tahqua Trail at Tahquamenon Falls State Park on August 8, 2026, with 10K, 25K and 50K options. Trails wind past spruce swales, pine ridges and both falls, and the field is limited to 250 runners for an intimate adventure.

The Last Buckeye Standing is a backyard ultra at Alum Creek State Park where runners repeat a 4.167 mile loop every hour until one runner remains. Expect scenic reservoir trails with rolling climbs and night loops so bring a headlamp.

Run under the stars at White Tank Mountain Regional Park for Vertigo Night Runs, part of the Insomniac Night Trail Run Series. Distances from 6K to 52K offer a thrilling night trail challenge with great perks and lively community spirit.

Run the Butterfield Canyon Trail Marathon or Half in Herriman Utah on August 8 2026 along scenic single track and big climbs. Limited to 300 entrants, the race includes shirts, locally made medals, Great Harvest post race food and free phot..

Experience mountain trail running in Bend, Oregon at Wanoga Sno Park with marathon, half marathon and a 6.5 mile option through scenic Deschutes National Forest. Finish with music, food, beer and support Bethlehem Inn.

Tackle the Eastern States 100, a rugged 103 miles single loop through Pennsylvania's Wilds around Pine Creek. Expect steep climbs, remote trails, and variable weather on a demanding course built for experienced trail runners.

Elkhorn Crest is a high alpine trail ultra near Sumpter Oregon with 53 mile and 50K options across scenic ridgelines, subalpine forests and technical single track. Community focused and cupless, it delivers big climbs and sweeping views.

Join the 6th Annual Honor and Remember Run at Cool Springs for trail 5K, 10K or virtual options. The 10K Ruck Run features moving honor sets to raise awareness for veteran suicide, with awards and refreshments to follow.

Run the Rockies Trail in Frisco, Colorado is a scenic 5k, 10k and half marathon on single track and dirt roads with views of Dillon Reservoir and the Ten Mile Range and a lakeshore finish. The half gets new single track in 2026.

Take on the Interstate 17 Trail Run, a 17 mile looped trail race at State Line Lookout with serious elevation and rugged technical terrain. Rocky scrambles, waterfalls and required loop check ins make this a scenic tough challenge.

Run scenic trails at Table Rock State Park in Pickens SC this August 2026 with 5k and 15k options. Climb to Pinnacle Mountain, enjoy rocky descents and stream crossings, and celebrate at the finish with shirts, awards and food.

Elephant Rock Trail Run returns to Mueller Park in Bountiful on August 8, 2026 with scenic, challenging routes from 7 miles to 50K. All finishers earn a handcrafted medal and top men and women in each distance take special awards.

The Ute 100 in the La Sal Mountains of Utah on August 8 and 9, 2026 offers 100 mile, 50 mile, and 50K options across high desert singletrack and alpine meadows. Expect big elevation and sweeping red rock views.

Wyoming Range 100 : overview The Wyoming Range 100 is a point-to-point endurance run held in the Bridger-Teton National Forest. The event is scheduled for August 7-9, 2026, and runs from Middle Piney Lake to Box Y Ranch. The published dista..

Join Tails and Trails 5K in Cody, Wyoming to support Wyo Hoofbeats and Cody Regional Health animal therapy. Enjoy a flat riverside course with mountain views, walkers and dogs welcome.

Join the SAR Wild Run at scenic Shaver Lake for trail distances from a 2 mile hike to a half marathon, all supporting Fresno County Search and Rescue. Expect rugged singletrack, great views, chip timing, finisher medals and a post race BBQ..

Tackle technical trails at Stokes State Forest with options from a 5K to a challenging 17 mile loop, plus ruck divisions for 10K. Finishers earn a handcrafted wooden medal and unique swag.

Join the Stonington Cross Country 5K in Pawcatuck CT on Wednesday August 12 2026 for a free community race that blends one track loop, quiet campus roads and scenic trails. A children's 1/2 mile for ages 10 and under also finishes on the sc..