Trail Running Calendar United States 2025-2026

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 Wildcat 5K Trail Run-Walk-Wag is an annual event held in Boxford, Massachusetts, starting and finishing at the Danvers YMCA Camp overlooking scenic Stiles Pond. The race features separate courses for runners and walkers, including those with dogs ("waggers"), winding through the Wildcat State Fo..

Cayuga Trails is a scenic ultramarathon held annually at Robert Treman State Park near Ithaca, NY. The event features two challenging distances: a 50-mile race with approximately 10,000 feet of elevation gain and a 50K covering about 7,000 feet. The course is predominantly singletrack trail (95%) wi..

Smith Rock Classic, held at Skull Hollow near Terrebonne, Oregon, showcases Smith Rock State Park’s basalt cliffs and Cascade views during spring ultramarathons. Runners choose between 50 miles (two 25-mile loops), 50K, and 10 miles, traversing park trails and Crooked River Grasslands beyond the bou..

The XTERRA Deadwood Mickelson is a trail running event held in Deadwood, South Dakota, part of the XTERRA Trail Run World Series. Set in the scenic Black Hills, the course features diverse terrain including abandoned mining towns, railroad trestles, mountains, monolithic rock formations, and creeks,..

Elsa Chicken Plucker Backyard Ultra is a Bronze Ticket Event held at Willenborg Woods in Charleston, Illinois, on 149 acres of lovingly maintained trails. Runners tackle a 4.167-mile loop every hour, with the last athlete standing earning a Bronze Ticket toward Big Dog’s Backyard Ultra World Champio..

Echo Valley, part of Evergreen Trail Runs, takes place in Chelan, Washington, in the Lake Chelan wine country. The two-day weekend features a 1-mile kids’ race, 10K, half-marathon, and a 50K (Saturday only). Runners follow a single loop through ponderosa pine forests, lupine fields, and sweeping Che..

The Worlds End Ultramarathon, held in Forksville, Pennsylvania, offers two challenging trail races: a 100k and a 50k. Both courses traverse rugged single-track and double-track trails through the scenic Loyalsock Trail, Loyalsock State Forest, and Worlds End State Park in the Endless Mountains. The..

The Weld Your Mettle Running Festival, held in Eaton, Colorado, is a multi-day event featuring a variety of running challenges for all levels. Participants can choose from solo or relay races lasting 3, 6, 9, 12, 24, or 36 hours, including a 100-mile ultra with a 36-hour limit. Unique formats like t..

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..

Salt Lake Foothills Trail Races, held in Salt Lake City, Utah, offer three distances: 50K, Half Marathon, and 10K. The courses feature substantial climbing in the foothills, with about 6,200 feet of gain on the 50K, 2,800 feet on the half, and 1,350 feet on the 10K, and sweeping Wasatch and city vie..

Pacifico Ultra is a scenic, fully-supported trail event in Palmdale, California, set in the Angeles National Forest. It offers two distances: a 50k Ultra (31.4 miles with 5,597 feet of vertical gain) and a Trail Half Marathon (13 miles with 2,510 feet of gain). The course travels Pacifico Mountain R..

Hotfoot Hamster, presented by Aravaipa Running, is a fixed-time ultramarathon held at Nardini Manor in Buckeye, Arizona. Runners choose 6-, 12-, or 24-hour options and cover a USATF-certified 500-meter flat gravel loop around the century-old manor. The mostly flat course is ideal for fast distances..

Nitro Trail 2026 is a trail-running event held at Point Pinole Regional Shoreline Park, 5551 Giant Highway, San Pablo, California 94806. It offers three distances: a half marathon, 10K, and 5K, appealing to a range of runners and walkers. The event is branded with an energetic theme, described as an..

North Fork 50 Mile/50K is an ultramarathon set in the Colorado mountains just southwest of Denver, near Buffalo Creek. The event offers two distances: 50 miles and 50K. The course is 100% soft-surface, comprised mostly of singletrack trails with a few short sections of double-track road.Runners clim..

The More Miles Last One Standing Challenge is an endurance running event held in Knoxville, Maryland, featuring a unique "last one standing" format. Participants run a 4.167-mile loop, known as "the yard," every hour on the hour, continuing as long as they can complete the distance within the hour...

The Momentus BackYard Ultra is a challenging endurance trail running event held at the scenic Williams Rushing Farm in Monroe, North Carolina, owned by NFL star DeAngelo Williams. The main race follows the official BackYard Ultra format, requiring runners to complete a 4.167-mile loop every hour unt..

Lake to Ocean 100K is a 100-kilometer point-to-point trail race from the NENA trailhead in Port Mayaka, Florida, to Hobe Sound beach. The course is mostly single-track and remote, weaving through changing ecosystems—from ancient sand dunes with scrub oak and sand pine to pine flatwoods, palmetto, oa..

Sonoma Coast Trail Runs, presented by SkyBreaker Racing, takes place on the trails of Sonoma Coast State Park along Northern California’s coastline, just south of Jenner, Duncans Mills, and the Russian River. The event offers four distances: 50K, Trail Marathon, 30K, and Half Marathon, all run on ru..

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, smooth trails, and sparse c..