Trail Running Calendar United States 2026-2027

A memorial stair climb in San Diego on September 5, 2026 to honor the 403 emergency responders lost on 9/11 while raising funds for FirefighterAid; the event lists sponsors, team fundraising, registration, and volunteer opportunities.

The Loess Dirt Adventure Run in Glenwood Lake Park, Iowa on September 5, 2026 is an untimed trail event through Loess Hills terrain. The course features switchbacks, creek crossings and wooded sections, and finishers receive a Conqueror of..

An ultramarathon on Sep 5, 2026 along the Pinellas Trail in Florida, covering just over 46 miles between St. Petersburg, Tarpon Springs, and Dunedin; a Facebook group is listed for event updates.

A women's backyard ultra near Phoenix, NY, run as repeated 4.167 mile laps at regular hourly intervals. Support tents and start/finish aid are available; runners must carry their own supplies and follow equipment rules.

A time based ultrarunning event on the paved Thermal Belt Rail Trail in Forest City with 3, 6, and 12 hour options, aid stations, paced runner rules, and a 50 mile buckle for those who reach 50 miles within 12 hours.

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 through the Wilcox Lake Wild Forest near Stony Creek, NY, following a lollipop route from Harrisburg Lake. It features two stocked aid stations, 3028 feet of elevation change, and requires experience verification v..

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 in Chattanooga including a half marathon and a 4.5 mile race on dirt with substantial climbing and set cutoff and pace requirements.

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.

A community race at Thousand Hills Ranch on 09/06/2026 featuring a Kids Mile, 5K and 10K across mixed trail and paved ranchland. The event supports Central Coast Athletics Foundation and 17 Strong and includes a post-race festival.

A 10 mile trail race in Fredericksburg, VA that follows the Rappahannock River, moves through rolling hills, and finishes with a sustained climb. Top three men and top three women receive gift certificates.

A multi-distance community run around Payette Lake in McCall, ID, featuring 30K, 14K and 5K courses, on-course aid stations, bus transport to start locations, packet pickup at Gravity Sports, and post-race refreshments and awards.

A half marathon and a 10K at Lums Pond State Park on 09/06/2026 using Little Jersey and Swamp Forest trails. Routes include single track and wider trails and have a relatively flat elevation profile.

A 6.45 miles trail race in Annadel State Park organized by the Empire Runners Club, held in early September with staggered age and gender starts, limited to 100 runners and awards for the top 13 finishers.

A five race Sunday series in MidCities, Texas featuring six hour loop races on roughly one mile courses with both hilly and mostly flat rounds. Series registration includes a shirt and a discount code while individual races are also availab..