Trail Running Calendar United States 2025-2026

The Canyonlands Half Marathon, held annually in Moab, Utah, is a celebrated road race known for its stunning scenery. Established in 1976 with just 22 finishers, it now attracts thousands of runners each March. The course runs alongside the Colorado River and near Arches National Park, offering brea..

The Trail Trashed Ultra is an exciting running event held in Henderson, NV, featuring various trail distances including 50k, marathon, half marathon, 10k, and 5k. Participants can expect adventurous and scenic routes that showcase the stunning landscapes of Las Vegas and its surroundings. The event..

The OPSF 50/50 Trail Race is a well-established running event held in Owen-Putnam State Forest near Poland, Indiana, about an hour from Indianapolis. Organized by the Indiana Trail Running Association, it offers multiple distances: a 50-mile ultra, a 50K, a 14-mile run, and a 10K trail race. The cou..

The Hungryland Trail Races take place in the remote and rugged Hungryland Slough Natural Area near West Palm Beach, Florida. This event features a challenging 14.3-mile loop course through diverse ecosystems including wetlands, prairies, swamps, hammocks, and pine flatwoods across 3,000 acres of pro..

False Spring Trail Runs, held in LaPorte, Indiana, offers challenging trail races on scenic, woodsy single-track paths featuring winding switchbacks and views of lakes and ponds. The event includes a 10K course—a single loop of well-established dirt trails—and a Half Marathon consisting of two laps,..

The Canebrake 200 Miler is an ultramarathon held at Sweetwater Creek State Park near Atlanta, featuring a scenic and runnable course with compacted dirt trails, roots, rocks, and occasional gravel roads. The race consists of a 5-mile loop and a 10-mile outer loop, covering a total of 200 miles with..

The Arizona Monster 300 is a challenging 304-mile point-to-point ultramarathon through Southern Arizona's Sonoran Desert. Organized by Destination Trail, the race features rugged terrain, including 84% single-track trails, high elevation mountains, and remote backcountry areas. Participants face sig..

The Coast to Crest 10K and 5K is an annual trail running event held in Del Mar, California, featuring flat and fast courses ideal for runners aiming for personal records. Both distances offer out-and-back routes on well-groomed, 100% dirt trails with spectacular lagoon views and a downhill finish. T..

The 3 Chaparrals 3/6 Hour Trail Run is an exciting endurance event set in Palo Duro Canyon State Park, featuring a 4-mile loop course. Participants can choose to run for either 3 or 6 hours, aiming to cover the greatest distance possible within their selected time frame. The event includes a single..

The Behind the Rocks Ultra is an exciting trail running event held in Moab, Utah, featuring multiple race distances: 50 Miler, 50K, 30K, and 10 Miler. Set against the stunning backdrop of the Behind the Rocks Wilderness Study Area, participants will navigate a variety of terrains, from smooth double..

The Georgia Death Race is a challenging 74-mile trail ultramarathon held in Blairsville, Georgia, starting at the Byron Herbert Reece Heritage Center and finishing at Amicalola Falls State Park. The course features approximately 16,000 feet of ascent and descent, making it a relentless test of endur..

The Crown King Scramble is a challenging 50K trail race held in Arizona, running from Lake Pleasant to the historic town of Crown King. The course features diverse scenery, starting in the Sonoran Desert and climbing into the Ponderosa Pines of the Bradshaw Mountains, with a total elevation gain of..

The Bootlegger 100 Mile Trail Race, hosted by Revolution Running, is set to take place in Flovilla, GA, featuring a 100-mile, 50-mile, and a 12-mile race. This event showcases a scenic 12.5-mile loop course designed for both beginners and experienced runners, with well-stocked aid stations and easy..

The Bad Ass Backyard Ultra, held in Rio Linda, California, is a unique running event where participants complete 4.16-mile loops within one hour, starting a new loop every hour on the hour. The event, which began as a grassroots gathering in 2023, has evolved into an official race under the Singletr..

The Sleeping Giant Trail Runs, held at Sleeping Giant State Park in Hamden, Connecticut, is a challenging trail running event known as one of the toughest in the Northeast. The race offers two distances: a 25K loop with over 3,000 feet of vertical gain and a 50K option for those who want to complete..

The Mudslinger Trail Run is a half marathon held in Blodgett, Oregon, as part of the Mudslinger Festival. The event features a scenic trail course through the beautiful local terrain, offering runners a unique outdoor experience. Limited to 100 participants, the race encourages a fun and challenging..

The Bull Run Run 50 Miler is a historic ultramarathon organized by the Virginia Happy Trails Running Club, first held in 1993. Covering 50 miles of forested, rolling terrain near Clifton, Virginia, the race features a course that highlights the area's Civil War history, including the Battle of Bull..

The New South Trail Marathon is a trail running event held at the Whitewater Center in Charlotte, North Carolina. It offers both full marathon (26.2 miles) and half marathon (13.1 miles) distances, utilizing the center’s scenic trail system. The race features marked courses with colored arrows over..

Incline Vista is a trail running event held in Redmond, Oregon, on April 4, 2026. It features two race distances: a 20-mile course and a 15-mile course, both offering stunning views from Cline Butte, including panoramic vistas of the Cascades, Smith Rock, and Ochoco Mountains. The courses include a..

The Cannonball Run is a trail running event held at Broxton Bridge Plantation in Ehrhardt, South Carolina, from April 25-27, 2025. It offers various race options, including 6, 12, 24, and 34-hour races, as well as a unique Last Man Standing challenge. The course features a 3.2-mile loop through wood..