Trail Running Calendar United States 2026-2027

A women-only backyard ultra on a 4.167 mile loop near Phoenix, NY that repeats every hour until one runner remains. The course mixes forest trails, open field sections, and a staffed homestead aid area.

Timed 3, 6, and 12 hour events on an 8.34 mile out and back paved loop in Forest City, NC, with aid stations, mileage counting points, awards, and a 50 mile buckle for 50 mile 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 rugged 50K trail ultra in the Wilcox Lake Wild Forest on September 6, 2026, starting and finishing at Harrisburg Lake. The lollipop route includes two aid stations and requires prior experience and a wait list review.

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 include a half marathon and shorter distances with substantial climbing, set pace and cutoff requirements for hikers, and post race snacks and beverages.

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 community running event in McCall offering 30K, 14K and 5K courses that start and finish at Brown Park, with packet pickup the day before, bus transport to remote starts, multiple aid stations, and post-race refreshments.

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..

A four-race cross country series in Spokane from Sept 6 to Oct 24, 2026, featuring 5K and 12K off-road races at Audubon Park, Qualchan Bluff, 7-Mile Airpark, and Mead HS. Team scoring and a $5 per-race discount for registering for all four..

Trail races at Frozen Head State Park near Wartburg TN offer a Half Marathon and a 50K on repeated ridge loops with substantial elevation gain, limited aid, and a capped field size.

The 61st Mt Baldy Run to the Top on September 7, 2026 is a fundraising mountain trail race in the Angeles National Forest covering about 7 miles with 4,000 feet of ascent to the 10,064 foot summit, with proceeds aiding local services.