Trail Running Calendar United States 2025-2026

Muddy Shamrock @ The Forge is a trail running event held at The Forge: Lemont Quarries in Lemont, Illinois. The race offers two distances: Trail Half Marathon (about 13.1 miles, run as two laps) and Trail Quarter Marathon (about 6.6 miles, one lap) on wooded single- and double-track trails around th..

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..

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..

Two Prairies Ultra is a FAT ASS ULTRA held near Fort McCoy, Florida, offering 50K and 30K options. The event, capped at 50 participants due to limited parking and a remote wilderness setting, starts at Pat's Island Trailhead in Ocala National Forest near Salt Springs. The course comprises two out-an..

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..

Three Creeks Torrent Trail Runs, organized by the Columbia Track Club, takes place at the Three Creeks Conservation Area, about ten minutes south of Columbia, Missouri. The event offers four distances: 30 miles, 20 miles, 10 miles, and a 10-mile ruck, each on roughly a 10-mile loop. The course is ab..

Set in Lake Toxaway, North Carolina, the Llama Experience Ultra offers three race options — 12-hour, 6-hour, and 3-hour loops on private Earthshine Lodge lands. The atmosphere blends endurance running with llama interaction: runners traverse scenic forest trails while llamas roam and can be petted,..

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..

The 21st Annual Run Through Time Trail Marathon and Half Marathon takes place in Salida, Colorado. It offers a Trail Marathon, a Trail Half Marathon, and a 2 Mile Run, plus a free kids’ 400-meter dash in Riverside Park. Courses run on the Arkansas Hills Trail System—dirt/jeep roads and narrow, hilly..

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..

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..

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..

Bel Monte Endurance Races take place in Lyndhurst, Virginia, amid the George Washington National Forest in the Blue Ridge Mountains. The event offers three distances: 50 miles, 50 kilometers, and 25 kilometers. Runners tackle a predominantly rugged course consisting of 95% single-track trails and mo..

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,..

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..

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 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 Land Between the Lakes - The Great American Trail Race, held annually in Grand Rivers, Kentucky, offers four challenging distances: 50 miles, 60 km, marathon, and 23 km. Starting along the scenic Kentucky Lake shoreline, the course leads runners into the Land Between the Lakes National Recreatio..

Old West Trail Runs takes place near Julian, California, with start/finish at Stagecoach Trails RV Resort. The event offers 50K, marathon, and half marathon options, with the 50K and marathon totaling about 2,500 feet of elevation gain and loss, and the half marathon around 670 feet. Runners navigat..