Trail Running Calendar United States 2025-2026

We have found 2482 Trailruns in United States. Check below where and when you can find the races.

The Free State Trail Run, held in Meriden, Kansas, offers challenging distances including a 40-mile, marathon, half marathon, and quarter marathon. The race takes place on a 6.75-mile single-track loop trail through a hardwood forest with rocky, technical terrain and moderate elevation changes. Runn..

The Sasquatch Shuffle is an annual trail running event held in McCall, Idaho, featuring multiple race distances including 50K, 30K, 20K, a new 50/50 challenge, and a Triple Threat option where participants run three distances over two days. The course consists of a 6.79-mile loop through scenic Pond..

The Timber Trails 5K Run/Walk is an annual event hosted by Eaton County Parks and Recreation, taking place at Fitzgerald Park in Grand Ledge, Michigan. This scenic race features a slightly challenging course that includes grass, gravel roads, and wooded trails, making it a perfect way to enjoy a fal..

The Carmel Valley Trail Race, held at Gonzales Canyon Open Space in San Diego, is a scenic trail running event featuring 15K, 10K, and 5K distances. Starting and finishing at Solana Ranch Park, the course offers a flat start and finish with challenging elevation gains in the middle, including the no..

Death By a Mile is an exciting running event taking place at Skeetawk Ski Area in Palmer, Alaska. Participants can choose to run for 12, 6, or 4 hours, aiming to complete as many one-mile loops as possible on the scenic Meadow Loop trail. The event encourages a fun and social atmosphere, allowing ru..

The Bizz Johnson event is a scenic running experience held on the Bizz Johnson Trail in California, featuring a variety of race distances including a Boston Qualifier marathon, 50K, half marathon, 10K, and an Express half marathon. The course is primarily downhill, allowing participants to set perso..

The Dimple Dell Half Marathon, organized by Happy Trails Racing, takes place in Sandy City, Utah, offering a scenic trail run through the beautiful Dimple Dell canyon. The course features a mix of wood-chipped and single-track trails, with rolling terrain and a few climbs, providing stunning views o..

The Canyon de Chelly Ultra is a 55K trail race held in the Navajo Reservation, Arizona. The course begins at the entrance to Canyon de Chelly and covers approximately 17 miles, passing ancient ruins, petroglyphs, and pictographs, culminating at Spider Rock. Runners then ascend Bat Canyon Trail, clim..

The Ruth Anderson Memorial Endurance Run is a prestigious running event held annually in San Francisco, California, since 1986. This endurance race features multiple distances, including 50 miles, 100 kilometers, and 50 kilometers, attracting runners of various skill levels. The course consists of a..

The Sage Burner Trail Race takes place in the scenic Hartman Rocks Recreation Area near Gunnison, Colorado, nestled in the Rocky Mountains. This fall event features challenging distances of 50K, 28K, and 15K, with the 15K supporting the Youth Trail Running Initiative to encourage young athletes. The..

Run Whiskey Run is an exciting trail running event hosted by the South Coast Running Club, taking place at the Whiskey Run Trailhead in Bandon, Oregon. This unique race features three course options: a 1.5-mile "Shirley Temple," a 5-mile "Whiskey Ginger," and a challenging 10-mile "Double Shot." The..

The Euchre Bar Massacre is a challenging fatass-style trail run held near Foresthill, California, starting and finishing at Shirttail Creek Campground. It offers two distances: a 25-mile course with approximately 10,000 feet of climbing and a 50-mile course with about 20,000 feet of elevation gain...

The Soulstice Mountain Trail Run, held in Parks, Arizona, offers various race distances including an 11.2-mile long course, a 10K, and a 30K, along with a Kids Dash. The event takes place in the scenic Government Prairie area within the Kaibab National Forest, featuring a course that highlights the..

The Midstate Massive Ultra Trail is a challenging endurance event held over two days in October 2025 in New Ipswich, New Hampshire. It features three race distances: 100 miles, 50 miles, and 30 miles, traversing the scenic Appalachian Midstate Trail and surrounding landscapes in Massachusetts, New H..

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The Caveman Challenge at Waterloo Lake in Denison, TX, is an inaugural trail running event offering multiple distances including 50K, marathon, half marathon, 10K, 5K, and a fun run/lake walk. The course features a rugged trail with dirt, rocks, roots, and scenic views overlooking Waterloo Lake. A u..

The Skyline Wilderness Endurance Trail Run takes place in Skyline Wilderness Park, Napa, California, featuring a challenging course with over 815 feet of elevation gain per 4.1+ mile loop. Participants can choose from 12-hour, 6-hour, or 3-hour race options, running as many laps as they can within t..

The Cave Creek Thriller Trail Runs, held in Cave Creek, Arizona, is a celebrated event marking its 15th year as part of the Fall Desert Runner Trail Series. It offers four race distances: 50K, 24K, 11K, and 5K. The 50K and 24K races are point-to-point courses along the scenic Maricopa Trail, connect..

The Mammoth at Dinosaur Valley is a family-friendly trail running event held in Glen Rose, Texas. It offers multiple race distances suitable for all abilities, including 100K, 50K, 25K, 10K, 5K, and a Mighty Mammoth 1K for younger participants. The event is celebrated as a premier Texas trail race,..

The Hainesport Endurance Run is a multi-day ultramarathon event held at Hainesport Township Municipal Park in New Jersey. It features a flat, paved loop course of just under one mile, certified by USA Track & Field, with an alternate 1.2-mile loop available if needed. Participants can compete in var..

The Horseshoe Bend Ultras, held in Page, Arizona, offers three race distances: a 50-mile, 55K, and half marathon. The courses showcase stunning natural landmarks, including Antelope Canyon and the iconic Horseshoe Bend of the Colorado River. Runners traverse desert sand and slickrock, with routes fe..