Trail Running Calendar United States 2025-2026

DENFIT ULTRA is held in Cape Vincent, New York (ZIP 13618). The event offers two ultra distances: DENFIT ULTRA 50k and DENFIT ULTRA 100k, inviting endurance runners to push their limits. The page emphasizes a raw, no-nonsense atmosphere with lines like “TEST YOURSELF” and “This isn't your ordinary U..

Glorieta Twelve Hour Endurance Run is a destination trail race held in Glorieta, New Mexico, at the southern terminus of the Sangre de Cristo Mountains. The event challenges endurance enthusiasts with a 12-hour format to complete as many 3.2-mile trail loops as they choose. The course offers scenery..

South Mountain Half Marathon is a Utah trail race organized by Happy Trails Racing, held in Lehi along the Jordan River Parkway. The half marathon covers 13.1 miles on a 100% paved trail, focusing on the southern segment of the Jordan River Trail and climbing into the foothills of South Mountain. Th..

The Big Deal at Great Seal in Chillicothe, Ohio at Great Seal State Park unveils an expanded endurance festival for May 2, 2026. New this year is the Big Deal 100 Miler, 100k, 20 Miler, plus Adult 5k and Youth 5k. The centerpiece is a 20-mile loop run entirely on single-track trails with just two ro..

Greenland Trail Races is a multi-distance trail running event held at Greenland Open Space in Larkspur, Colorado. The lineup includes 50K, 25K, 8-mile, and 4-mile races, all run on dirt trails within the scenic open space, offering wide, smooth double-track surfaces and views of Pikes Peak. The cour..

The Donald Dash Trail Run is a popular trail running event held at Donald County Park in Mount Horeb, Wisconsin. It offers two race distances: a 5K for beginners and a more challenging 15K for experienced runners. The course features diverse terrain including prairie, single track, sand, slick bridg..

The Heartland 50 is an ultramarathon event held in Cassoday, Kansas, featuring 50-mile, 50K, and 25K distances. The race takes place on an out-and-back course primarily on backcountry gravel roads with less than a mile of pavement, winding through the scenic Flint Hills tallgrass prairie. The course..

Moonlight Bootlegger 5k in Greensboro is a nighttime trail race and party at Hagan Stone Park in Pleasant Garden, NC. The 5-kilometer course features low-root trails and rolling hills designed for after-dark running. Distances are marked with music rather than traditional signs, with hundreds of LED..

The Prickly Pine Jackpot 24 Hour Solo/Relay is an endurance running event held in the scenic Kettle Moraine State Forest near Dousman, Wisconsin. Participants can choose from multiple race options including 6-hour, 12-hour, and 24-hour solo races, as well as 12-hour and 24-hour relays. The course fe..

Firelane Trail Trial is a hill-climbing time-trial held in Forest Park, Portland. The 4.45-mile out-and-back course runs up Firelane 1 to the top and back, with 1,266 feet of total gain and loss (about 2.23 miles uphill with 979 feet gain). It crosses Wildwood and Leif Erikson trails along the way.T..

The Ozark's Mountain Challenge is a noncompetitive endurance event at Sam A. Baker State Park in Patterson, Missouri. Participants have 12 hours to ascend Mudlick Mountain eight times, totaling about 21 miles with roughly 7,980 feet of elevation—the benchmark used for comparison.The route includes M..

Grayson Highlands, held at Grayson Highlands State Park in Mouth of Wilson, Virginia, offers four trail distances: 50 Mile, 50K, 25K, and 8 Mile. The courses feature significant elevation gain—about 9,500 ft for the 50 Mile, 4,500 ft for the 50K, 3,000 ft for the 25K, and 1,400 ft for the 8 Mile—wit..

The New River Gorge Rim to Rim Race is a 6-mile road race hosted by Active Southern West Virginia in the New River Gorge near Fayetteville, WV. The route begins on the south rim along Fayette Station Road (Route 82), descends Burma Road and Ames Heights Road to the river bottom, then climbs back to..

White Lake Ultras takes place at White Lake State Park in Tamworth, New Hampshire. The festival-like endurance weekend offers 6-, 12-, and 24-hour options on a 2-mile single- and double-track loop around forested lakefront trails, with one short section of beach and sidewalk and about 50 feet of ver..

Riverlands 100 & Relay is a trail running event held in Turner, Maine, on May 2–3, 2026. The name signals a 100-mile race with a relay option, inviting solo and team participation. The official site highlights practical features for participants, including detailed course maps, runner tracking, and..

San Diego, California hosts a memorial trail event on the Los Peñasquitos Canyon Trail. This is not a race: there is no support, no course markings, and no timing. Participants run on their own, choosing any portion of the clockwise route with a seven-hour limit.The event starts and finishes at the..

Take 5 in the Garden is a scenic running event held in Colorado Springs, CO, within the stunning Garden of the Gods park. The race offers multiple distances including a 5K, 5 Miler, 5 Mile Trail, and a longer 9.5-mile Double Take course. The park is closed to traffic during the event, allowing runne..

The Bluffs Trail Runs is a scenic trail running event held at Echo Bluffs State Park in Eminence, Missouri. It offers a variety of distances including a Trail Marathon, Half Marathon, Half Marathon Relay, 15K, 10K, 5K, and youth races such as a 10K and 5K for under 19, plus a 1-mile Elevated Youth F..

The Tick is a rugged point-to-point ultra through Florida’s Ocala National Forest, covering about 57.4 miles (50 miles plus 7.41 mandatory bonus miles) along the Florida National Scenic Trail from Alexander Springs State Park to the Rodman Reservoir Dam. Runners traverse diverse habitats—lakes, prai..

The Miwok 100K ultramarathon is staged in Marin County, California, with the start/finish in the town of Stinson Beach, near San Francisco. The race covers 100 kilometers on single-track trails and dirt roads, featuring 11,800 feet of elevation gain, a cup-less policy since 2013. Runners are treated..