Trail Running Calendar United States 2025-2026

The Nanny Goat is an ultrarunning event held at a private horse ranch in Riverside, California, featuring distances of 6, 12, 24 hours, a 24-hour relay, and a 100-mile race. The course is a flat, one-mile loop on mostly dirt and grass with good footing and wide trails for easy passing. Participants..

The Memorial Day Flag Run, held in Black Canyon City, Arizona, is a patriotic trail event featuring 5K and 10K distances with options to run or ruck carrying a 35-pound pack. Participants are encouraged to carry American flags individually or as teams to honor fallen service members. The out-and-bac..

Austin's Backyard Marathon & Memorial Day Remembrance Run is a unique endurance event held in Leander, Texas, nestled in the scenic Texas Hill Country near Lake Travis. The race features a challenging 4.167-mile trail loop that runners must complete within an hour to continue, following the Backyard..

The Catsmacker is a trail running event held at the Lake Sylvia Day Use Area in Perryville, Arkansas. It features a 20-mile course and a shorter 12-mile "Kitty Run" option. The route combines Forest Service roads, a segment of the Ouachita Trail, pavement, gravel, and single/double track trails, wit..

The Crown of the Crest is a challenging trail running event held at Calvin Crest near Fremont, Nebraska. The course features a scenic, technical 10-mile single-track loop with approximately 900 feet of elevation gain, rolling through bluffs and cedar spines along the Platte River. Distances include..

Sweat, Swat ‘n Swear is a challenging trail running event held at Holder Mine Campground in Inverness, Florida, within the scenic Citrus Tract of the Withlacoochee State Forest. Scheduled for May 24, 2026, the race offers three single-loop distances: 50K, 25K, and 10 miles, catering to various skill..

The Sticks is a unique timed ultrarunning event held on a farmstead outside Norton, Kansas, offering 6, 12, 24, 48, and 72-hour race options. Participants run repeated loops on a 3-mile course combining mowed pasture and dirt roads with rolling hills, providing a challenging yet non-technical terrai..

The Mohican Trail Run, held annually in Ohio's Mohican Memorial State Forest, is a premier ultra-marathon event with a 35-year history. It features three race distances: a challenging 100-mile ultra, a 50-mile race, and a marathon, all winding through scenic forest trails, dirt roads, and single-tra..

The Elsa Chicken Plucker Backyard Ultra is a unique trail running event held at Willenborg Woods in Charleston, Illinois, featuring a 4.167-mile loop that runners complete every hour. Set on 149 acres of scenic trails, the course includes single-track paths, groomed grass trails, riverside views, ri..

The Worlds End Ultramarathon is a challenging trail race held in Forksville, Pennsylvania, exploring the rugged Loyalsock Trail, Loyalsock State Forest, and Worlds End State Park in the Endless Mountains. It offers two distances: a 100k (63.8 miles) with 12,395 feet of elevation gain, and a 50k (31...

The Luckenbach Texas 5K is an annual all-terrain running event held in the scenic town of Luckenbach, near Fredericksburg, TX. The race features a 5-kilometer course that includes trails and streams, offering a rugged and natural running experience. Participants can join either a competitive heat or..

The Hotfoot Hamster is a fixed-time ultra running event held at the historic Nardini Manor in Buckeye, Arizona. Participants can choose to run for 6, 12, or 24 hours on a USATF-certified, flat, and fast 500-meter gravel loop course that winds around the century-old manor grounds. The race offers a f..

Cayuga Trails is a scenic ultramarathon event held at Robert Treman State Park near Ithaca, NY, featuring two challenging distances: a 50-mile race with approximately 10,203 feet of elevation gain and a 50K covering 31.6 miles with about 6,882 feet of gain. The course is predominantly singletrack tr..

Sonoma Coast Trail Runs, hosted by SkyBreaker Racing, take place in Sonoma Coast State Park near Duncans Mills, California. The event offers multiple distances: 50K, Trail Marathon, 30K, and Half Marathon, all featuring challenging elevation gains ranging from 2,800 to 7,000 feet. Runners traverse s..

The Lake to Ocean 100K is a scenic point-to-point ultramarathon held in Florida, starting at the NENA trailhead in Port Mayaka and finishing at Hobe Sound beach. Recognized by Outside online as one of the top 10 most beautiful trails worldwide, the course features mostly single-track remote trails t..

The Smith Rock Classic is a springtime trail running event held near Terrebonne, Oregon, at Skull Hollow, showcasing the stunning Smith Rock State Park and surrounding Crooked River Grasslands. It offers three race distances: 50 miles, 50K, and 10 miles. The courses feature rugged high desert terrai..

The Toro Park Trail Run, held in Salinas, California, offers runners a scenic experience through the iconic Bay Area landscape. Participants can choose from three distances: a 10K, a half marathon (21K), and a full trail marathon. The course features rolling golden hills, sparse coast live oak trees..

The Tsalteshi Backyard Ultra will take place in Soldotna on Friday 5 June 2026.

The Alaska Endurance Trail Run is a challenging ultramarathon event held in Interior Alaska on the UAF West Ridge trails. It features 6, 12, and 24-hour trail running and walking challenges, offering participants the unique experience of racing under the midnight sun, eliminating the need for headla..

The Hell Hole Hundred is a challenging ultramarathon held in June at the Jericho Horse Trail within South Carolina's Francis Marion National Forest near Bethera. The event offers multiple distances, including 10k, 25k (day and night), 50k, 50 miles, and a grueling 100-mile race. The course features..