Trail Running Calendar United States 2025-2026

McClellan Madness is an ultramarathon-style race held on the Fort McClellan bike trails near Anniston, Alabama. The course is a 4.1‑mile single-track loop, runnable with a few rocks and about 300 feet of elevation per loop. Runners choose 4-hour or 8-hour options, totaling 25K or 50K by completing l..

Great Springs Trail Race – Austin is a Tejas Trails event held at Southeast Metro Park in Del Valle, Texas, just outside Austin. It offers distances from 5K to 50K, plus a Youth 1-Mile option, making it accessible to beginners and ultrarunners alike. The course features a well-marked 6.5-mile loop o..

The Swamp Fox Ultra, presented by Billy Simons Real Estate and The Foot Store, unfolds in the Francis Marion National Forest, with Buck Hall Recreation Area in McClellanville, SC as the start/finish. Distances: 100 miles, 50 miles, 50K, half marathon, and 10K. The course is an out-and-back across th..

Frio Trail Runs, held at Garner State Park in Concan, Texas, offers a challenging trail running experience across rocky, dirt-packed single-track trails with scenic views and significant elevation gains. The course features hilly terrain with over 1,500 feet of elevation gain per 6-mile loop, includ..

Siuslaw Dunes is Daybreak Racing’s trail-running event staged near Florence, Oregon, at Honeyman State Park in the Oregon Dunes National Recreation Area. The early-season, point-to-point races include a 50K (about 31 miles), a 20-mile, and a 12K. Runners traverse a coastal tapestry of ancient open s..

The MST 100 Endurance Races, held near Durham, North Carolina, feature challenging trail ultramarathon distances including 100 miles, 50 miles, 50 kilometers, and a 10-mile race. The event starts and finishes at the scenic Rolling View Recreation Area, with courses primarily on the Mountains to Sea..

Old Pueblo Endurance Runs is a trail ultramarathon in Sonoita, Arizona, offering 50‑mile and 25‑mile distances. The race begins at Kentucky Camp and follows the Arizona Trail into the Santa Rita Mountains, with Wrightson towering above. The 25‑mile loop runs on forest service roads and trails, while..

The Dark Side 8 Hour Ultra is an eight-hour trail race at Little Bennett Park in Montgomery County, Maryland, near Clarksburg. The course is a 5.5-mile loop run mostly on single-track trails, starting at the Little Bennett Campground Pavilion. Runners may complete as many laps as they wish within th..

The Crooked Road 24 Hour Ultra is an endurance ultramarathon held in Rocky Mount, Virginia, at Franklin County’s Waid Park. The race features a scenic, mostly flat 1.178-mile loop on a crushed-cinder path that winds through the park and along the Pigg River. Participants can compete solo or in 2-4 p..

Antelope Canyon Ultras, organized by Vacation Races, take place in Page, Arizona, starting and finishing at the Page Sports Complex. Distances include 50-mile Ultra, 55K, 30K, and a Trail Half Marathon, with a charity bib option. Runners traverse rugged desert terrain around the Antelope Canyon area..

Naked Bavarian is a budget-friendly ultra-trail race held at Blue Marsh Lake in Leesport, Pennsylvania. It offers two distances: 20 miles and 40 miles, with a no/low swag ethos that skips expensive shirts, medals, and entertainment in favor of a solid course, dependable aid, and medical support. The..

Northern Trails Trail Race takes place in Greensboro, North Carolina, starting and finishing at Northern Guilford High School. Runners can choose 5-, 10-, or 17-mile courses, with ruck options for each distance. The spring trail event winds through Piedmont trails by Lake Brandt and Lake Townsend an..

Geaux Wild Ultra takes place at Lake Bistineau State Park in Doyline, Louisiana. The event features two distances: a 50-mile ultra and a 50K. The course is a 10-mile loop weaving together the Blue Wing, Koasati, and Whoa Mule trails, with two aid stations along the route—the main Start/Finish aid of..

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..

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...

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..

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..

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,..

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..