Trail Running Calendar United States 2025-2026

The Tails & Trails 5K is an annual running event held in Clarkston, Michigan, at Independence Oaks. Open to all ages, the event features a 5K race along scenic trails and a Cat Walk 1K, welcoming both dogs and cats on leashes. The race promotes a family-friendly atmosphere with a fun zone and local..

Fellows Frolic is a trail running event held at Morgan Hill State Forest near Tully, New York. The race features a challenging 3.27-mile loop with 607 feet of elevation gain, marked primarily by orange blazes along the Fellows Hill Loop Trail. Participants run multiple loops within a 3-hour time fra..

The Nitty Gritty Off Road Race is an annual trail running event held at Red Lodge Mountain Resort in Red Lodge, Montana. Featuring a challenging course with significant elevation gain, the race includes solo half marathon, full marathon, a hot lap of about 4.3 miles, and relay options for teams of 2..

The Epiphany Cross Country #1 is a running event held in New Bern, North Carolina, at 2301 Trent Road. It features separate 5K races for girls and boys, providing a competitive yet community-focused atmosphere. The event is free to enter and takes place in August, attracting local runners eager to c..

The Catamount Weekly Trail Running Race is a recurring event held at Catamount Outdoor Center, offering distances including a half lap, 5K, and 10K. The races take place rain or shine, with a clear thunder policy in place for safety. Participants receive new bib numbers each week to ensure accurate..

The Into the Hills Eltuck 5K is a midweek trail race held at Lory State Park, Bellvue, Colorado. Part of a four-race summer series, this event features a challenging course with a steep, quick climb and descent along the Homestead, Well Gulch, and Kimmons loop, offering about 700 feet of elevation g..

The Augúst is Montana's second oldest footrace, held annually in Helena at the Spring Meadow Resources Pavilion. Celebrating its 57th running, this minimalist 5k trail race is known for its flat and fast course, attracting both youth (0-19) and adult (20+) runners. The event emphasizes tradition and..

The Fiesta Night Run, held at the Land Heritage Institute in San Antonio, Texas, is a unique night trail running event featuring distances of 5K, 17K, 35K, and 50K, including a 17K ruck race. Participants run on dirt single and wide track trails with a 300-foot elevation gain per 10.5-mile loop, und..

The Oregon 200 is a challenging 200-mile ultramarathon held in Oakridge, Oregon, featuring a scenic out-and-back course alongside the Middle Fork of the Willamette River and the North Umpqua River. The route showcases the Pacific Northwest's lush forested single-track trails, running beside lakes an..

The NoCo Urban Ultra & Relay is a long-distance running event held along the scenic Poudre River Trail in Northern Colorado, passing through Fort Collins, Timnath, Windsor, and Greeley. The race offers 50-mile and 100-mile distances for both solo runners and relay teams, with the 100-mile race stage..

The Night Crawler Endurance Challenge is a unique overnight solo ultramarathon held on Casper Mountain in Wyoming, featuring 4-hour and 12-hour race options. Set at 8,100 feet elevation, runners traverse forested trails starting and finishing at the Nordic stadium near the Casper Mountain Trails Cen..

The Westminster Night Trail is an annual night running event held at Standley Lake in Westminster, Colorado. Celebrating its 12th year, it offers a festive atmosphere with music and lights, showcasing Colorado’s natural beauty under the stars. The course features 100% packed dirt trails, including s..

The Twin Anchors Copperhead Beer Relay 20K and Beer Mile is a unique running event held in Hampstead, North Carolina, at the scenic Briar Patch Hunting property near Poplar Grove Plantation. Participants can compete individually or in teams of 2 to 4, running four 5K loops totaling 20 kilometers. A..

The Baker Trail UltraChallenge is a challenging 50-mile ultramarathon held in Western Pennsylvania along the scenic Baker Trail. The 2025 race covers the Southern section, starting in Godfrey, PA, and finishing at a historic farmhouse basecamp in Smicksburg, PA. The course features a mix of single-t..

Run The Hawk Trail Run takes place at the historic Blackhawk Ski Club in Middleton, Wisconsin. This endurance event features 3, 6, and 12-hour challenges where participants complete as many laps as possible on a scenic 2.25-mile loop with 345 feet of elevation gain per lap. The course includes diver..

The One Mile With a Smile 12 Hour Endurance Run takes place at Oak Grove Lake Park in Chesapeake, Virginia. Participants run multiple laps of a 1.5-mile loop over 12 hours, allowing them to run as much or as little as they choose. The course is flat, unpaved, and tree-lined, offering scenic views of..

The Sunflower Trail Run, held annually in Buhler, Kansas, offers a unique running experience through over 20 acres of vibrant sunflower fields. Participants can choose from a 5K competitive division, a 5K non-competitive division, a 1-mile run/walk, or a virtual 5K option. The course follows dirt tr..

The Dirty Dozen 50K is a challenging ultramarathon held in New York City, featuring a 50-kilometer distance composed of 12 hilly loops in Forest Park. Known as one of the tougher ultra-races in the city, it tests both physical endurance and mental toughness. The course's repetitive loop format and e..

The Tree Trail Trot is a scenic 5K trail run held at Salamonie Lake, a state park managed by Indiana's Department of Natural Resources. The race takes place on gently rolling, wooded trails within the Lost Bridge West State Recreation Area near Andrews, Indiana. The course starts and finishes at the..

The Rio Grande 100 is an ultramarathon held in South Fork, Colorado, starting and finishing along the Rio Grande River. The challenging 100-mile course traverses the La Garita Mountains, featuring diverse terrain from arid forests to alpine tundra, with runners crossing elevations above 12,000 feet..