Trail Running Calendar Missouri 2025-2026

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..

Tom Sawyer's Trial by Trail is a 10K trail race held in Hannibal, Missouri, known as America's Hometown. The course winds through the scenic Sodalis Nature Preserve, featuring a mix of technical single-track, double-wide dirt paths, and paved walking trails. Runners face a challenging 900 feet of el..

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 Babler Bongo 15K Trail Race and 15K RUCK take place at Dr. Edmund A. Babler Memorial State Park in Wildwood, Missouri.This event features a challenging 15K loop course connecting several trails with about 1,350 feet of elevation gain, suitable for both beginners and experienced trail runners. A..

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 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 Wildwood Trail Marathon, hosted by Terrain Trail Runners, takes place in Wildwood, Missouri, starting and finishing at LaSalle Springs Middle School. Scheduled for December 6, 2025, the event offers both marathon and half-marathon distances on scenic trails in West County, St. Louis.The marathon..

The Shippey Endurance Runs is a challenging winter ultra marathon held at Beaumont Scout Reservation near High Ridge, Missouri, just outside St. Louis. The event features multiple distances including 100 miles, 100 kilometers, a 40-mile night run, a 20-mile run, and a 100-mile 5-person relay.The cou..

The Bleak Midwinter Endurance Run is an annual timed endurance event held at the Sac River Mountain Bike Trails near Springfield, Missouri. The race features a challenging 4.15-mile loop of moderately technical single-track trail with rocks, roots, and about 400 feet of elevation gain per lap. Parti..

The Castlewood Cup is an annual 15-kilometer trail running event held at Castlewood State Park in Ballwin, Missouri. Celebrating its 18th year in 2026, the race features a challenging course of Castlewood’s finest single-track trails, including uphills, downhills, and switchbacks, providing a true t..

Flat Branch Ultra is a 50K ultramarathon held annually in Columbia, Missouri, typically on the third Saturday in February. The race starts and finishes at Martin Luther King Jr. Memorial Park, following a scenic rails-to-trails course along the Missouri River and beneath towering bluffs.Runners pass..

The Queeny Backyard Ultra is a unique "Last Person Standing" ultramarathon held at Queeny Park in St. Louis, Missouri. The race features a 4.19-mile loop with approximately 430 feet of elevation gain and loss, combining paved, dirt, and gravel trails through scenic park areas.Participants must compl..

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 challenging 8-mile loop features over 1,000 feet of elevation gain with runnable sections, steep..

The Wolf Creek Trail Run, held annually in Poplar Bluff, Missouri, offers a scenic trail running experience on the Wolf Creek Trail. The event features a half marathon, a 6K run, and a 1.7-mile walk called the "Walk The Forest" (WTF). Organized by the PB Kiwanis Club and the US Forest Service, the r..

The Double Chubb is a trail running event held at West Tyson County Park in Eureka, Missouri, offering 50K, 25K, and 8-mile distances. The race features a relaxed atmosphere with a roughly nine-hour cutoff time and multiple aid stations stocked with standard ultra foods and electrolytes. Participant..

The Ozark's Mountain Challenge is a demanding hiking event held in Patterson, Missouri, featuring a 17-mile course with a total ascent of 7,980 feet—equivalent to climbing Mount Olympus in Washington. Participants hike up Mudlick Mountain nine times within a 12-hour window, with shuttles returning t..

The Lake of the Ozarks Endurance Runs, held at Lake of the Ozarks State Park in Missouri, features three challenging races: the Wandering Bobcat 5 Miler, the Trail of Four Winds 25K, and the LOZ Traverse ultra-distance event. The LOZ Traverse combines approximately 32 miles of running with 3 miles o..