Trail Running Calendar United States 2025-2026

The Anchor Down Ultra will take place in Bristol on Friday 8 August 2025. You can run between 6 and 24 kilometers.

The High Five 100 is an extreme ultra-endurance running challenge held in Lake City, Colorado. Covering approximately 90 to 105 miles with over 40,000 feet of elevation gain, the course requires runners to summit five 14,000-foot peaks and six 13,000-foot peaks within 48 hours. Unlike traditional ra..

Run Baileys is a trail running event held in Chauncey, Ohio, at the scenic Baileys Trail System near Athens. The weekend features multiple races including a Kids Run (1.5 miles), a 5K, and a Half Marathon, offering options for all skill levels from beginners to experienced trail runners. Participant..

The Wyoming Range 100-Mile Endurance Run is a challenging ultra-marathon held in southwest Wyoming within the Bridger-Teton National Forest. Covering approximately 105 miles with 24,000 feet of elevation gain, the point-to-point course traverses rugged high country, including the scenic Wyoming Rang..

The Bear Country Night Trek is a thrilling nighttime trail running event held in Waco, Texas, at Cameron Park. Participants can choose from 5K, 10K, or 15K trail runs, as well as a 10K ruck carrying a minimum of 25 pounds. The course features dirt and rocky single-track trails with a challenging 130..

The Bigfoot endurance runs, including the 200 Mile, 40 Mile, and 20 Mile races, take place in the Cascade Mountains of Washington State. The flagship Bigfoot 200 is a challenging 207.9-mile point-to-point race circumnavigating Mount Saint Helens, Mount Hood, and Mount Rainier, featuring over 45,000..

The Kansas City Backyard Ultra is a unique endurance running event held at Mill Creek Park on the Country Club Plaza in Kansas City, Missouri. The race features a challenging format where participants run a 4.16667-mile loop every hour, continuing until only one runner remains, crowned the "Last Run..

The Mount Madonna Challenge, held in Gilroy, California, is a historic trail running event featuring a half marathon, 10K, and 5K races. Known for its challenging elevation gains—2,828 feet for the half marathon, 1,532 feet for the 10K, and 843 feet for the 5K—the course offers a rigorous test of en..

The Windfall Full Moon Trail Run, held in Alpine, California, offers a unique nighttime trail running experience under the bright full moon. Participants can choose from four distances: 5K, 10K, 15K, and 30K, with courses marked by reflective markers on private single-track trails featuring varied t..

The Butterflies and Blueberries 5k Trail Run/Walk, held in Billings, Missouri, is a unique trail event honoring Amaris Eliana Young. Taking place at Burton’s Blueberry Farm, the course features a scenic route through blueberry bushes, a challenging hill known as "bubble mountain," and fields signifi..

The Beast of Burden - Summer is an ultra-distance running event held in Lockport, NY, featuring 25, 50, and 100-mile race options. Set along the historic Erie Canal Towpath, the course begins at Wide Water’s Marina, offering amenities like showers, restrooms, and a fully stocked aid station. Runners..

The Petal to the Medal Endurance Event will take place in Belmont on Saturday 9 August 2025. You can run 5 kilometers.

The Howl at the Moon Ultra will take place in Danville on Saturday 9 August 2025. You can run between 4 and 8 kilometers.

The Kat'cina Mosa 100K Mountain Run is a highly challenging and scenic ultramarathon held in the Wasatch Mountains near Provo, Utah. The course is a difficult loop featuring approximately 48% dirt trails, 44% dirt roads, and 8% paved surfaces, with a total elevation gain and loss of about 15,000 fee..

The 3rd Annual Swift Bear Trail Run takes place in Hays, Montana, featuring challenging trail races in the scenic Mission Canyon area. The event offers three distances: a 10 Mile run, a 20 Mile loop through mountainous terrain with track roads, gravel, and some pavement, and a newly added 50K ultram..

Hobby Trails To You! is a trail running event held in Winston Salem, North Carolina, at Hobby Park. Scheduled for August 9, 2025, it offers challenging 5K and 10K races on single-track trails that start with a cross-country style beginning. The course features shaded areas, ample parking, and finish..

Race the Reserve is a scenic running event held in Coupeville on Whidbey Island, Washington. Participants can choose from a 5K, 10K, half marathon, or a virtual race of any distance. The course offers a unique experience traversing Ebey's Prairie and Crockett Prairie within Ebey's Landing National H..

The Landis Arboretum 5K Forest Run, held in Esperance, NY, is a scenic cross-country race through the arboretum’s forests and meadows, offering beautiful views of the Schoharie Valley. This rolling 5K course is part of the Route 20 Challenge Series and is USATF sanctioned. The event features chip ti..

The Koala Bottle Table Rock 15K & 5K is a trail running event held in Pickens, South Carolina, near the Blue Ridge Mountains. It offers two distances: a scenic 5K suitable for novice and experienced trail runners, featuring single-track trails along Carrick Creek and a climb toward Pinnacle Mountain..

The Down & Dirty 10 Mile will take place in Peninsula on Saturday 9 August 2025. You can run between 5 and 10 miles.