Trail Running Calendar United States 2025-2026

The SARR Prickly Pear Trail Run is held at McAllister Park, Optimist Pavilion #3, in San Antonio, Texas. It features three distances: Prickly Pear 50K, 15K, and 5K, all on natural single-track trails that wind through Blue Loop, Mud Creek, and Mosquito Lake, with prickly pear cactus along the course..

The Tough Frog - Last Man Standing Run or Ruck will take place in Williamston on Saturday 7 March 2026.

The Skyline Scramble is a trail ultramarathon in Topeka, Kansas, centered at Skyline Park (3511 SW Skyline Pkwy). Runners tackle a rugged 2.15-mile loop through wooded hills with rocky, rooty terrain and boardwalks, gaining about 250 feet per lap. The route climbs to Burnett’s Mound, the site of the..

No Man's 50K is a women-only trail running endurance event held in Triangle, Virginia, featuring 25K and 50K distances. The course consists of two loops of approximately 15 miles each, designed as a great first-time ultramarathon route. Runners experience a mix of terrain with about 70% single track..

The Viper 300 is an ultra-endurance trail running event held in Shelby Farms Park, Cordova, Tennessee, featuring race distances of 300, 200, and 100 miles, as well as 53K and 25K options. The course consists of a challenging 33.4-mile loop combining paved paths and single-track trails through scenic..

Warbird 100 is a trail ultramarathon event held in Hyden, Kentucky. The race offers three distances: a 100-mile ultramarathon, a 50k, and a half marathon, inviting a range of runners to test endurance on rugged terrain around the Hyden area. A distinctive feature is the chance to witness many of the..

Thunder Kiss 100M/100K and 20 Miler, staged by Zombie Trail Races, takes place at Double Oak Park near Birmingham, Alabama (Sterrett area). The event offers three distances: a 100-mile race, a 100K, and a 20-mile loop. The 100M is five to six 15- to 20-mile loops with about 12,500 feet of gain/loss;..

The Ruck a Chuck 50K is a trail running event held in Foresthill, California, set in the scenic Sierra Nevada foothills. This 50-kilometer race features an out-and-back course starting at Drivers Flat and turning around at Dardanelles Creek. A key highlight is its route along sections of the histori..

The Nine Trails 35 Mile Endurance Run is a trail running event held in Santa Barbara, California. It offers two distance options: a challenging 35-mile course and a shorter 17-mile route. The event takes place on scenic trails, providing runners with a beautiful and rugged outdoor experience along t..

Fire on the Rocks 10K is an intermediate trail race held at Zindel Park in McElhattan, Pennsylvania. The 6.6-mile course uses local trails also featured in the Frozen Snot and Boulder Beast events, delivering about 1,400 feet of ascent. Open to up to 400 runners, hikers, or walkers, the event foster..

Peyton's Wild and Wacky 10x5K is an annual trail running event held on the Laurel Hill Trail in Mount Pleasant, South Carolina. The main feature is a unique 50K ultra run composed of ten consecutive 5K loops, starting hourly from 8:00 AM. Participants can run solo or form relay teams of two or five,..

Mesquite Canyon Trail Runs, held at White Tank Mountain Regional Park in Waddell, AZ, offers multiple distances: 50-mile, 50K, 30K, half-marathon, 8K, and a Kids’ Fun Run. The rugged single-track course features challenging climbs, steep descents, and desert flora, with Ford Canyon rock scrambling a..

The Catalina Island Marathon, along with its 10K and 5K distances, takes place in Avalon, California on Catalina Island. The event features the full marathon (26.2 miles), a 10K (6.2 miles), and a 5K (3.1 miles), plus a Kids Run, drawing runners to the island’s scenic trails. It is the oldest trail..

Blazing Saddles is a trail running event hosted by the York Road Runners Club at Codorus State Park in Hanover, Pennsylvania. Scheduled for March 14, 2026, it offers two race distances: a 25K and an 8 Miler. Both courses run along the scenic Ranger Trail, featuring a mix of horse trails, single-trac..

Little Backyard Adventure in L.B.A. Park, Olympia, Washington, offers 3-, 6-, and 12-hour endurance runs on a ~4-mile loop with ~200 feet of gain. The course winds through a largely single-track forest, with fern-covered canopies and technical twists that test footing. Runners complete as many laps..

Tombstone 30k/50k/50 mile is a trail running event held at Sunset Hill Farm County Park in Valparaiso, Indiana. The lineup includes 30k, 50k, and 50-mile distances, with a new course for 2026 and a Strava link. The race is described as fun, low-key challenge with Roller Coaster hills.Aid stations ar..

The Marin Ultra Challenge is Inside Trail Racing’s premier Marin County long-distance trail race, offering 50-mile and 50K options. The route starts at Rodeo Beach and loops through the Marin Headlands, Mt. Tamalpais, and Muir Woods, delivering coastal and inland vistas, varied terrain from exposed..

The Miccosukee Glades Runner Ultra, held at the Miccosukee Indian Village along the Everglades National Park Shark Valley loop, offers three pavement-only distances: 5K, 16.5 miles, and 50K. The course winds through the Florida Everglades atmosphere, with on-course support from race monitors and tri..

Gulf Coast Conservation Trailfest, hosted by Hammer Down Multisport, offers a third annual trail challenge in Panama City Beach Conservation Park, Florida. Runners choose between a 15K loop or a 50K course through a 2,900+ acre park with 24 miles of trails and over a mile of boardwalks weaving throu..

The Santa Barbara Nine Trails is a trail running event held in Santa Barbara, California, featuring two distance options: 35 miles and 17 miles. Organized by AllWeDoIsRun, the race takes place on scenic trails along the California Central Coast, offering runners a challenging and picturesque course...