Trail Running Calendar United States 2025-2026

The Tulsa Backyard Bonanza is a trail running event held on November 2, 2025, at Lubell Park, Mooser Hollow, and Bales Park in Tulsa, Oklahoma. The race features three distances: 5K, 12.5K, and 25K, offering options for runners of all levels. Participants can enjoy scenic trails, including switchbac..

The Fire on the Mountain 50K Trail Race is an annual ultramarathon held in Green Ridge State Forest near Little Orleans, Maryland. The race features a challenging 31.95-mile course with technical trail sections, elevation changes, and scenic forest views. Participants must complete the course within..

The View Trail Race, held in Hyner, Pennsylvania, offers challenging trail running options with 25K and 15K distances. This event features a modified course from the traditional Hyner Challenge, bypassing Johnson Run but maintaining the demanding terrain with trails like The View, Post Draft, SOB, a..

The Q50 Races Chupacabra is a night trail running event held at Bogue Chitto State Park in Franklinton, Louisiana. Participants can choose between 5- and 10-mile distances, with the 10-mile race consisting of two loops of a scenic, dirt trail featuring gentle hills. The race starts at midnight, emph..

The Antelope Island 50k, organized by Buffalo Run Adventures, is a trail running event held on Antelope Island, Utah. This ultramarathon offers a unique and scenic course that showcases the island's natural beauty. The event is part of a series of well-organized, low-key trail races that emphasize a..

The Barn Creek Backyard Ultra is an ultramarathon event held in Jamestown, Tennessee, featuring a unique "last man standing" format. Runners complete 4.167-mile loops on a course that traverses woods, gravel, and trail terrain, with the race starting early in the morning. The event emphasizes endura..

The KUS 6/12/24 Hour Run is an ultrarunning event held at Valley Center Intermediate School in Valley Center, Kansas. Participants can choose from 6, 12, or 24-hour race options, including a night 12-hour run. The course is a certified, fast, and flat 400-meter track, with direction changes every fo..

The NorCal Backyard Ultra is an endurance running event held at Beals Point in Granite Bay, California, from November 7-10, 2025. It features two main races: the Last Person Standing, where participants run a 4.2-mile loop every hour until only one remains, and the Mini Last Person Standing, a 24-ho..

The Mamba 100 in Memphis, TN, is a premier ultrarunning event featuring distances of 100 miles, 100K, 50K, and 25K. The race takes place on a fast, scenic 14.35-mile loop along the Wolf River, primarily on single-track trails with low elevation gain, making it ideal for speed and personal records. T..

The Tunnel Hill 100 and 50 Mile Runs are premier ultramarathon events held in Vienna, Illinois, on the scenic Tunnel Hill State Trail. Recognized for their fast, well-certified courses, the races attract elite runners aiming for world and course records, including the USATF National Championship for..

Squatch Till You Drop is a trail running event held at Allsopp Park South in Little Rock, Arkansas, celebrating local Sasquatch folklore. The event spans two days in November 2025, featuring a Fun Run and a challenging 6-hour endurance run called The Squatch. Both races use the same approximately 5k..

The Grand Ridge Trail Run, held in Issaquah, Washington, is the final race of the Evergreen Trail Runs season. Set in the scenic Grand Ridge Regional Park, the event offers multiple distance options including 5-mile, half-marathon, full marathon, and 50K races, catering to a wide range of runners. T..

The Sanders' Saunter Charity Race, held at Clinton State Park in Lawrence, Kansas, offers 10K, 25K, and 50K trail running distances. The course features scenic routes along the white, yellow, and blue trails, including challenging ascents and descents of Sanders Mound. The 50K race consists of two l..

The Mountaineer Rumble 100 Miler is a challenging trail running event held at Kings Mountain State Park in Clover, South Carolina. The race features multiple distances including 10 Mile, 50K, 100K, and 100 Mile options. The course consists of a 31.1-mile loop showcasing scenic trails such as the CCC..

The Moab Trail Marathon is an exhilarating running event set against the stunning backdrop of Moab, Utah. Scheduled for November 8th and 9th, 2025, it features a full marathon, half marathon, 10K adventure run, and a Kids K. This event is notable for hosting the 2025 USATF Trail Half Marathon Nation..

The Bingo! Trail Party is an annual trail running event held at May Farms in Byers, Colorado, organized by the Human Potential Running Series. It features multiple race levels, ranging from 6 to 62 miles, with participants running loops on scenic, mostly flat trails and farm roads. The unique format..

The PhoMo 50K is a challenging ultramarathon held in the scenic Phoenix Mountain Preserves, Arizona, starting and finishing at the Piestewa Peak Trailhead (Cholla Ramada). Covering 31.2 miles (50 km) with over 6,000 feet of elevation gain, the course features rocky, technical singletrack trails with..

The HRCA Backcountry Wilderness Half Marathon is an annual trail race held in Highlands Ranch, Colorado, featuring a challenging 13.1-mile course that showcases stunning landscapes. Participants navigate through dirt, gravel, and singletrack paths, with opportunities to encounter local wildlife. The..

The Pocantico Hills Marathon, held in Sleepy Hollow, NY, takes place in Rockefeller State Park and features a scenic, rolling, and hilly course with views of the Hudson River and Palisades. Participants can choose between the full marathon and half marathon, both of which pass through picturesque la..

The Snake Eater 100K, held in Tusayan, Arizona, is an epic ultramarathon that challenges runners with a rugged and scenic course. Starting on the legendary 302 trail, participants navigate a new, demanding trail system featuring steep jeep roads and breathtaking views of jagged peaks and expansive d..