Trail Running Calendar United States 2026-2027

A women only back yard ultra on a 4.167 mile loop run every hour on the hour in Phoenix NY. Forest trails, open field sections and night running combine with common ultra distance milestones and proceeds benefiting local women's shelters.

Community-focused trail event at Boling Park featuring a roughly 5K trail run, a kids one mile fun run, live music and food trucks.

A four-part community trail series with three morning gatherings and a final sunset event in Marietta and Lancaster County. Participants choose their own distance, share food and hydration, and may register per event or buy a multi event pa..

The inaugural Todd Peverill Cross Country Festival brings middle school, high school, elite and kids races to Glenwood Lake Park on September 5, 2026, with limited team and elite entries and medals plus gift card awards for top finishers.

Trail Grinder in Atlanta, TX on September 5, 2026 offers 5k, 10k and 30k trail races on single-track through the piney woods, with proceeds supporting research into Superficial Siderosis.

Night trail challenge where runners complete a 5K per hour for six hours; finish each lap on time to remain in the event. Awards include patches, an OUTLAST medal for six laps, a national leaderboard, and championship opportunities with cas..

Experience the inaugural Colby Mountain Trailfest in Butte Meadows featuring scenic 5k 12k and 24k courses. Support local trail maintenance and search and rescue efforts while exploring the newest trail systems in Northern California.

A community 3 mile fun run in Norwalk on September 5, 2026, organized by Cerritos High School alumni to support the school and honor local Dairy Valley history. In-person and virtual options are available.

A backyard ultra at Lake Rebecca on September 5, 2026, where runners repeat a *4.167-mile* loop each hour until they cannot finish within the hour. The course mixes gravel, asphalt, and trail and includes a sauna and swim option.

River Falls in Bend Oregon features 5K and 10K trail races along the Deschutes River and the Central Oregon Historic Canal Trail, beginning and ending at Riverbend Park with finisher medals and awards for top placers.

Timed 3 hour, 6 hour and 12 hour events on a flat paved 8.34 mile out and back on the Thermal Belt Rail Trail in Forest City NC. Aid stations and awards include a 50 mile belt buckle for 12 hour finishers.

Trail races at Mammoth Bar OHV Area in Auburn State Recreation Area on September 6, 2026. Options include a 13.1 mile half marathon and a 6.2 mile 10K, each with notable elevation gain and staffed aid stations.

Experience the natural scenery of Mount Diablo State Park through a variety of trail races. Runners can select distances ranging from 4 miles to a 50K with spectacular views of the San Francisco Bay Area.

A 50K trail ultramarathon near Stony Creek, NY on September 6, 2026, with a lollipop course from Harrisburg Lake through Wilcox Lake Wild Forest, multiple aid stations, and about 3,028 feet of elevation change.

Experience a high altitude trail run starting at 10,000 feet on Rabbit Ears Pass. Runners navigate a mix of forest roads and single track trails with 1,200 feet of elevation change through scenic Colorado terrain.

Trail races on dirt in Chattanooga including a 1/2 marathon and a shorter race; courses include significant climbing and set cutoff times, with registration closing Sep 5, 2026.

A 5K terrain run with road and trail sections in Leavenworth, Kansas on September 6, 2026. A virtual 3.1 mile option is available and the registration fee is $35.

Experience a fast downhill race through the scenic Little Belt Mountains to historic Harlowton. This charity event features a smooth gravel course with multiple distances and a finish line celebration at a local brewery.

Celebrate Labor Day at William Heritage Winery with a scenic 5K trail run or a 1 Mile walk. Enjoy live music and vineyard views while participating in chip timed races for all ages in Mullica Hill.

Experience a scenic run through the woods and around the Howard Eaton Reservoir on a mix of gravel roads and single track trails. Choose between 5k, 10k, and half marathon distances to support local youth programs.