Trail Running Calendar United States 2025-2026

The Nashville Running Company's Bowie 6 Miler is a popular trail race held in Fairview, Tennessee, featuring a 6-mile course through scenic trails with gradual inclines, single and double tracks, and soft pinestraw underfoot. Known for its fast and enjoyable route, it is a fan favorite in the 6 Mile..

Run The Woods-Oxbow is an annual trail running event held at Oxbow Park & Zollman Zoo in Byron, Minnesota. The 7th edition, scheduled for August 3, 2025, offers three race distances: 10 miles, 5 miles, and 2 miles. The course features scenic trails through the park, including challenging hills and t..

The Skyline 50K Endurance Run, held annually in August at Lake Chabot Marina in Castro Valley, California, is one of the oldest continuously running 50K races in the U.S. The course features a large loop through the scenic East Bay Regional Parks, reaching Skyline Gate. Known for its welcoming atmos..

The TransRockies Run is a renowned six-day, 120-mile stage race held in Colorado, offering an unforgettable trail running adventure through the Rocky Mountains. This multi-day event challenges participants with rugged terrain and scenic mountain landscapes, fostering a strong community atmosphere am..

The Eltuck Valley 5K is part of a series of midweek trail races held at Lory State Park in Bellvue, Colorado. Scheduled for August 5, 2025, this event is designed to cater to both novice and experienced runners, offering a flat and fast course ideal for those looking to improve their speed. Particip..

The Lory Summer Trail Series is a fun, low-key trail running event held each Tuesday evening in August at Lory State Park, Fort Collins, Colorado. It features a series of shorter races with distances ranging from 5K to 12K, designed to welcome new trail runners and help experienced racers sharpen th..

The Catamount Weekly Trail Running Race will take place in Williston on Tuesday 5 August 2025. You can run between 5 and 5 kilometers.

The Saddleback Wilderness 5k Trail Run is an exciting running event set in the scenic Saddleback Wilderness, located in Orange, California. Scheduled for August 6, 2025, this race features a 5k course that includes both fire roads and single-track trails, with an elevation gain of 300 feet. Particip..

The Buckeye Ultra 200 Mile Road Race is a challenging ultramarathon covering approximately 203 miles from Walnut Beach on Lake Erie to Wellsville, Ohio. Runners experience diverse scenery, including mountain foothills, industrial cities, Amish country, and lakefront streets. The race features a mix..

Salt and Sulfur 420 is a 420-mile ultramarathon starting in Salt Lake City, Utah, and ending in West Yellowstone. The race features a combination of urban and trail running, passing through scenic locations such as the Wasatch Range, Ogden Canyon, Logan Canyon, Bear Lake, Jackson Hole, the Tetons, a..

The Bear Country Night Trek is a nighttime trail running event held in Waco, Texas, at Cameron Park. Participants can choose from 5K, 10K, or 15K trail runs, as well as a 10K ruck carrying a minimum of 25 pounds. The course features dirt and rocky single-track trails with a hilly terrain, including..

The Anchor Down Ultra is a premier ultra-marathon event held at Colt State Park in Bristol, Rhode Island. This seaside race features three distinct events: a 6-hour, a 12-hour, and a 24-hour ultra-marathon, catering to various levels of endurance runners. Recognized as one of the "Best Races in Amer..

The Bigfoot Endurance Runs, part of the renowned Triple Crown of 200-mile races in the United States, includes the Bigfoot 200, Tahoe 200, and Moab 240. Set in the stunning Cascade Mountains of Washington, the Bigfoot 200 features a challenging 207.9-mile course that circumnavigates iconic peaks suc..

The Wyoming Range 100-Mile Endurance Run is a challenging trail race held in the rugged Wyoming Range, within Bridger-Teton National Forest. Covering approximately 105 miles with 24,000 feet of elevation gain, the race traverses high-altitude wilderness, including the Wyoming Range National Recreati..

The High Five 100 is an extreme ultra-endurance running challenge held in Lake City, Colorado. Covering approximately 90 to 105 miles with over 40,000 feet of elevation gain, the course requires runners to summit five 14,000-foot peaks and six 13,000-foot peaks within 48 hours. Unlike traditional ra..

Run Baileys is a trail running event held in Chauncey, Ohio, at the scenic Baileys Trail System near Athens. The event features a variety of distances including a free 1.5-mile Kids Run, a 5K, and a Half Marathon, catering to runners of all levels from beginners to seasoned trail veterans. Taking pl..

The Kansas City Backyard Ultra is a trail running event held in Mill Creek Park, Missouri, featuring a unique "Last Runner Standing" format. Runners compete by completing 4.1667-mile loops within one hour, continuing until only one participant remains. The race emphasizes endurance, strategy, and pe..

The Last Buckeye Standing Backyard Ultra is a challenging endurance running event held at Alum Creek State Park in Lewis Center, Ohio. Participants run a 4.167-mile loop on the scenic Alum Creek Hiking Trail, featuring grass ski paths and single-track trails with moderate elevation changes. The race..

In the Heat of the Night is a unique nighttime trail running event held in Anniston, Alabama, featuring distances of 10K, 25K, 50K, and 100K. The race takes place on a loop course through the Talladega Forest roads and the scenic Pinhoti Trail, starting at Frog Pond Overlook. The course consists of..

The Petal to the Medal Endurance Event is an inclusive trail running challenge held at the Daniel Stowe Conservancy in Belmont, North Carolina. Participants have up to eight hours to complete as many 5K loops as they wish on a scenic trail course. Designed for both experienced trail runners and newc..