Trail Running calendar near Linn Creek 2025-2026

The Ultra Sweaty Santa is an annual endurance running event held in Devils Elbow, Missouri, celebrating Christmas in July with a 6-hour race on a shaded 6-mile crushed gravel loop alongside the Big Piney River near Old Route 66. Participants can run for 30 minutes, 3 hours, or the full 6 hours, with..

The Hades Climb in Springfield, MO, is a thrilling stair climbing challenge held at the Ozark Mountain Sports Complex. Participants choose from 1-hour, 2-hour, or 4-hour events, aiming to complete as many stair loops as possible within their time frame. The course spans nearly 600 meters, with over..

The 3 Legged Monster Race, held in the Mark Twain National Forest near Steelville and Leasburg, Missouri, is a unique relay event featuring running, mountain biking, and paddling legs for teams of two. The race showcases the scenic Ozark Trail, with running through hardwood forests and bluff overloo..

Bad Dawg Ultra is an endurance running event held annually in Waynesville, Missouri, featuring multiple race distances including 100 miles, 100k, 50 miles, 50k, and a 12-mile run/ruck. The course is a 10-mile out-and-back loop with rolling Ozark hills and flat gravel paths lined with trees, offering..

The Leaky Hourglass Ultra is a unique Last Man Standing ultramarathon held in Half Way, Missouri, about 20 miles north of Springfield. Participants run multiple 4.167-mile out-and-back laps on a chip-sealed rural highway featuring rolling hills and approximately 250 feet of elevation gain per lap. T..

The Frog Hill Half Marathon, held in Waynesville, Missouri, offers a family-friendly running event featuring a half marathon, 10k, and 5k races, plus a unique Frog Hill Challenge. The courses are chip-timed and mostly flat, with an out-and-back route that showcases scenic views along the Roubidoux R..

Rock Bridge Revenge is a trail running event held at Rock Bridge State Park in Columbia, Missouri. It offers two distances: a 25K and a 50K, with the 50K consisting of two loops of the 25K course. The course features 100% single-track trails with varied terrain and creek crossings, including the Dev..

The Lion King Backyard Ultra is an ultramarathon held at Lions Club Park in Rolla, Missouri. This unique race features a 4.167-mile loop that runners must complete every hour, with the course transitioning from a scenic dirt trail through mature forests and cedar groves by day to a flat, paved trail..

The Ozark Trail 100 Mile Endurance Run is a challenging ultra-running event held in Steelville, Missouri, traversing 101 miles of the pristine Ozark Trail through Mark Twain National Forest. Celebrating its 17th year, the race features nearly continuous single-track trails with about 12,000 feet of..

The 4 Fore 30 Infinity Backyard Ultra is an endurance running event held in Macks Creek, Missouri. Following the Big's Backyard Ultra format, runners complete a 4.1667-mile (6.7 km) loop every hour, starting at 7:00 AM, with each loop beginning precisely on the hour. Participants must finish each lo..

Last Chance Ultra is an annual trail running event held in Springfield, Missouri, typically in early December. The race offers multiple distances including a 100-mile, 50-mile, 50K, and a 10-mile run, catering to a wide range of ultrarunners and trail enthusiasts. The event encourages participants t..

The Bleak Midwinter Endurance Run is an annual timed endurance event held at the Sac River Mountain Bike Trails near Springfield, Missouri. Participants can choose from 12, 6, 3, or 1-hour run options on a new 4.15-mile loop featuring moderately technical single-track terrain with rocks, roots, and..

Iron Heart is a multi-distance running event held in St. James, Missouri, offering a wide range of race options including 5K, 10K, 15K, 20K, 5M, 10M, 15M, 20M, 50K, 50M, 100K, and 100M distances. The event features both shorter and ultra-distance races, catering to runners of various levels.The cour..

The Flat Branch Ultra is a 50K trail running event held annually in Columbia, Missouri, typically on the third Saturday in February. The race starts and finishes at Martin Luther King Jr. Memorial Park and features a scenic rails-to-trails course along the Missouri River, passing beneath towering bl..

The Hard Times Trail Run in Willard, Missouri, is known as the toughest footrace in Greene County. Held at Little Sac Woods Conservation Area, the event offers three distances: 8 miles, 25K, and 50K. The course is an 8-mile loop featuring over 1,000 feet of elevation gain, with runnable sections, ch..

The Lake of the Ozarks Endurance Runs, held in Linn Creek, Missouri, is a trail running event featuring three races: the Wandering Bobcat 5 Miler (about 5.5 miles with 700+ feet elevation), the Trail of Four Winds 25K (a challenging 25K with 1600+ feet elevation through Lake of the Ozarks State Park..