Trail Running Calendar United States 2025-2026

The Ray Miller 50/50 is a trail running event held at Point Mugu State Park in Malibu, California. Scheduled for December 6, 2025, the race offers three distance options: a 50-mile ultra, a 50K, and a 30K. Participants experience scenic terrain within the state park, known for its natural beauty and..

The Wild in the Woods Trail Race, part of the Big River Trail Series, takes place at Broemmelsiek Park in Defiance, Missouri. Offering both 5-mile (one loop) and 10-mile (two loops) trail race options, it challenges runners with scenic woodland terrain. The event fosters a lively atmosphere with pos..

The Southern Arizona Triple 50 is a unique ultra running challenge comprising three 50-mile races held in southern Arizona: the Colossal Vail 50 in Vail, the AZT Oracle Rumble 50 in Oracle, and the Old Pueblo 50 in Sonoita. All races take place on sections of the Arizona National Scenic Trail, offer..

The Freight Train Ultra Marathon is held at High Bridge Trail State Park in Farmville, Virginia. It offers three distances: a half marathon, 50k, and 100k, all on a flat rail trail with under 1000 feet of elevation gain. The course features scenic stretches including the iconic High Bridge, with aid..

The ZombieRunner Quarry Lakes event, held at Quarry Lakes Regional Recreation Area in Fremont, CA, offers a variety of race distances including 5K, 10K, Half Marathon, 30K, Marathon, and age-specific 5K and 10K races, plus a free Kid's Run for children 6 and under. The courses are flat, fast, and sc..

The Amicalola Falls Marathon, held in Dawsonville, Georgia, offers both full and half marathon distances through the scenic Amicalola Falls State Park. The course features two 13.1-mile loops for the full marathon, including a challenging climb up the 605 steps of the Appalachian Approach Trail by t..

The Hunter S. Thompson Fear & Loathing is a unique, no-fee urban ultra running event held annually in San Francisco, CA, since 1985. Participants can choose between a 50K or 50-mile single-loop course that starts and finishes at Twin Peaks, offering stunning city vistas.The route covers iconic touri..

The PPTC Endurance Fest is an ultramarathon event held in Brooklyn, NY, featuring 50-mile and 50-kilometer race options. The race takes place on a looped course within Prospect Park, consisting of 9 or 15 laps of a 3.33-mile loop. This event honors New York City's road ultra heritage, following in t..

The Dirty South Trail Races, held in Knoxville, Tennessee at Mead's Quarry near Ijams Nature Center, feature a half marathon, 10K, and a Kids Trail Mile. The half marathon course spans 13.1 miles through scenic areas including Forks of the River Wildlife Area, William Hastie Park, and Ross Marble Qu..

The Topo Trail Marathon Races take place at East Fork State Park in Bethel, Ohio, featuring a challenging 6.55-mile singletrack loop on mountain bike trails. The event offers three race distances: a Quarter Marathon (6.55 miles), a Half Marathon (13.1 miles), and a Full Marathon (26.2 miles), with p..

The Fall Backyard Burn Trail Run at Fountainhead Regional Park in Fairfax Station, VA, is a popular trail running event held on December 7, 2025. The race offers two challenging distances: a 4.8-mile loop with 450 feet of elevation gain and a tougher 10.5-mile course featuring an additional out-and-..

The Pine Mountain Trail Run is a historic ultra marathon held at FDR State Park in Pine Mountain, Georgia, just over an hour from Atlanta. Celebrating 45 years, this event features challenging 19-mile and 40-mile races over rocky, single-track trails with rolling hills and minor stream crossings. Th..

The Tenth Annual Keepin' It Rural 5K/10K Trail Race and Festival takes place at the scenic Elfin Forest Recreational Reserve in north San Diego. This unique event features chip-timed races for both 5K and 10K runners, with a special course for hikers. The race begins and ends at the Olivenhain Dam,..

The Dizzy Horse Backyard Ultra is a unique winter ultramarathon held in Idaho Falls, Idaho, featuring a 4.167-mile loop through a diverse course of desert, grass, horse-race tracks, gravel roads, and occasional snow. Participants run one loop every hour until only one runner remains, making it a tes..

The Last One Standing Ultra Marathon in Saint George, Utah, is a unique self-supported ultra running event featuring a 6-mile loop on the scenic Mayor's Loop asphalt trails along the Virgin River. Runners must complete each loop within 90 minutes to continue, with a total of 17 loops available, culm..

The Angry Cow Trail Run #4 takes place in Panama, Nebraska, starting at the Panama Community Center. Scheduled for December 13, 2025, this event offers trail running distances of 2, 4, and 6 miles. The course features a mix of old railroad tracks converted to trails, wooded areas with creek crossing..

The Tinsel Trot 10k in Louisa, VA, is a festive cross-country running event held at Southern Revere Cellars. The course loops around the winery property, with the 10k consisting of four laps and the 5k two laps, featuring gentle terrain without major hills. Participants receive a technical event shi..

The Helen Holiday Half Marathon, held in Helen, Georgia, is a festive and scenic trail running event featuring a half marathon and a 10K race. Known for its challenging course with significant climbs and technical trails, the race offers a fun introduction to trail running with beautiful views and a..

Saint Nick's Run Fest is a charity trail running event held at Lindsey Park in Tyler, Texas. Featuring distances of 7K, 13K, 20K, and a 7K ruck, the race takes place on a single-track dirt trail following the Lindsey Park Red Loop, a 4-mile circuit. Participants run one to three loops depending on t..

The Run at the Rock Half Marathon is part of the 21st Annual Run at the Rock event held at Cedarock Park in Burlington, North Carolina. Scheduled for December 13, 2025, the event offers 5K, 10K, and Half Marathon trail races on challenging courses featuring twisty single-track and smooth equestrian..