Trail Running Calendar United States 2026-2027

Experience the 4th Annual Swift Bear Trail Run in Hays Montana with scenic mountain courses and options from a 10 mile or 20 mile up to a new 50K. Varied trail terrain, friendly competition, and prizes for top finishers await.

Pick a 5k, 10k, or half marathon on scenic gravel trail loops with chip timing, a finisher medal and a technical shirt. Run in person or virtually, earn series points and support Operation Enduring Warrior.

Run Capt'n Karl's at Reveille Peak Ranch near Burnet, Texas on August 8 and 9, 2026 for a rugged, scenic weekend across rock domes, single track and wooded hills. Distances span 1 mile youth to 60K on technical terrain with steep climbs.

Experience the Trail Animals Running Club Summer Classic at Medfield's Noon Hill and Shattuck Reservations, a scenic and challenging 10 mile loop of forested singletrack that climbs to a Noon Hill vista. Distances include 10 miles, 40 miles..

Challenge Skyline Mountain in Eden, Utah with distances from a half marathon to a rugged 55K. Expect mostly single track trails, ridgeline views and serious elevation gain for a true mountain test and ideal fall 100 training run.

Take on the Thunder Mountain 50K, a High Sierra trail challenge near Lake Tahoe at 7,400 feet with roughly 7,700 feet of climbing and stunning alpine scenery. Three scenic loops, limited to 100 runners, and a commemorative medal for all fin..

Run through rugged mountain scenery and mining era relics at Prospector's 50k and 30k in Cooke City Montana on August 8 and 9, 2026. Choose a 50k or 30k route for a scenic, historic trail adventure.

The Outlaw Trail Ultra Half Marathon is a point to point, mostly downhill trail run through the Sawtooth National Forest near Hansen, Idaho. Tackle rugged jeep road and scenic single track as you finish at Third Fork Campground on August 8,..

The Slate Valley Scramble will take place in Poultney on Saturday 8 August 2026. You can run between 8 and 13 miles.

Marked loop trail runs near Alum Creek Reservoir in Lewis Center, OH on August 8, 2026, using a 4.1-mile loop with 1-4 laps to create distances from 7K to 26K. Headlamps or running lights are required.

A trail running event in the redwoods near Gilroy on August 8, 2026, offering 5K, 10K, and half marathon routes with substantial elevation gain. Race fees support scholarships that send local high school runners to a national trail running..

A community fundraiser where runners take a 5K every hour for up to ten hours to reach 50K, with on-site support, a virtual option, and race registrations donated to the Children's Minnesota Kids Cancer Fund.

Join the SAR Wild Run at scenic Shaver Lake to support Fresno County Search And Rescue. Pick a half marathon, 10k, 5k, 2 mile hike or virtual entry and tackle trails through meadows, forests and streams before a festive postrace BBQ and awa..

Challenge yourself on rocky, rooty trails at Stokes State Forest on August 9, 2026, with 5K, 10K, 10K ruck and a rugged 17 mile course with big climbs. Ruck divisions, age and disability accommodations and aid stations mean serious fun with..

Point to point marathon and half marathon between Snoqualmie Pass and North Bend featuring a run through a long tunnel and fast, downhill terrain. Registration is paused while organizers seek an alternate route after storm damage.

Choose a 50K, 10 Miler, 10K or 5K at the Marlette Races around Spooner Lake, running scenic singletrack with sweeping Lake Tahoe and Marlette Lake views. Finishers get a medal, event shirt, post race food and photos.

Choose a 50K, 10 Miler, 10K or 5K at the Marlette Races around Spooner Lake, running scenic singletrack with sweeping Lake Tahoe and Marlette Lake views. Finishers get a medal, event shirt, post race food and photos.

A midweek trail race at Lory State Park, the 10 km course is part of an August series and features about 1,700 feet of elevation gain, chip timing, series points and postrace pizza and beverages.

Run the Buckeye Ultra, a scenic road ultramarathon from Lake Erie to Wellsville offering 203 mile and 100 mile options each August. Tackle rolling hills, long flats and small town scenery, run self supported or with crew and earn a Buckeye..

Join the Flag Rock 5K Trail Run in Norton, Virginia on August 13 as part of the High Knob Outdoor Fest. Tackle scenic trails around Flag Rock and support the festival as all proceeds help keep the outdoor celebration going.