Trail Running Calendar Missouri 2025-2026

The 3 Legged Monster Race is an exciting relay event taking place on August 16, 2025, along the scenic Ozark Trail in Missouri. Teams of two will compete in three distinct legs: trail running, mountain biking, and paddling. Participants will experience the natural beauty of the Mark Twain National F..

The Royal Oaks Sunrise Trail Race is an exciting running event taking place in Kirksville, MO, featuring a 10K run and a 3-mile walk. Set in the picturesque Big Creek Conservation Area, the race offers participants a scenic off-road experience, winding through the Royal Oaks Ridge and the Rainbow Ba..

The Leaky Hourglass Ultra is a unique Last Man Standing running event scheduled for August 30, 2025, in Half Way, Missouri. Participants will complete a 4.167-mile out-and-back course on a rural highway, facing a time challenge where each lap reduces the cutoff time by one minute. The course feature..

The Corps of Discovery Trail Races, organized by the St. Louis Track Club, will take place in the scenic Weldon Spring Conservation Area. Scheduled for August 30, 2025, the event features three race options: a half marathon, an 8-mile race, and a 5-mile race.The courses will showcase the beautiful t..

The Rockin' Rockwoods 53K and 1/2 Marathon is an annual trail running event taking place on September 13, 2025, at Greensfelder County Park in Wildwood, Missouri. Participants can choose between a challenging 53K or a 1/2 Marathon, with a new Ruck division option for the half marathon, requiring com..

The FLATS Trail Half Marathon, set in Kirksville, Missouri, invites runners to tackle a scenic 13.1-mile course along the picturesque Forest Lake. Participants will navigate diverse terrain, including hills, rocks, and water crossings, while enjoying well-stocked aid stations and stunning views. The..

The Devil's Toll Race is a challenging 13-mile event set in the scenic Ozark Trail of Missouri, featuring rugged terrain and breathtaking views. Participants can choose to run or hike solo or in teams, navigating from Taum Sauk Mountain to Johnson Shut-ins State Park. The course includes significant..

The Frog Hill Half Marathon, along with the 10k and 5k races, is set to take place on October 4, 2025, in Waynesville, Missouri. This family-friendly event features a scenic course along the banks of the Roubidoux River, showcasing the beautiful fall colors of the Ozarks. Participants can enjoy a fl..

The DeClue Loops Trail Race is a premier running event held at Greensfelder Park in Wildwood, Missouri. Participants can choose from various distances, including an 8-mile loop, 16 miles, a full marathon, or a 50k, all set on the scenic DeClue Trail. The race features awards for the top male and fem..

Rock Bridge Revenge is an exciting trail running event taking place at Rock Bridge State Park in Columbia, MO. Participants can choose between a 50K or 25K race, both featuring scenic single-track trails with diverse terrain and creek crossings. The event emphasizes sustainability by being cup-free,..

The Lion King Backyard Ultra is an ultramarathon event taking place in Rolla, MO, featuring a unique format where participants run a 4.167-mile loop every hour until only one runner remains. This race, named after the Lions Club Park, combines beautiful trails and a supportive community atmosphere...

The Ozark Trail 100 Mile Endurance Run is a premier ultra-running event held in the scenic Mark Twain National Forest, showcasing the stunning autumn landscapes of Missouri. Celebrating its 17th year, this challenging race covers 101 miles of technical single-track trails, featuring approximately 12..

The Babler Bongo 15K Trail Race is an exciting trail running event taking place at Dr. Edmund A. Babler Memorial State Park in Wildwood, MO.Scheduled for October 25, 2025, this race features a loop course that combines various trails, making it suitable for both beginners and experienced runners. Pa..

The 4 Fore 30 Infinity Backyard Ultra is an exciting endurance running event taking place in Macks Creek, MO. Celebrating its 8th year, this unique race follows the format of Big's Backyard Ultra, where participants must complete a 4.1667-mile loop within one hour, with the challenge continuing unti..

The Last Chance Ultra is an exciting running event taking place on December 6-7, 2025, in Springfield, MO. This fourth annual race offers participants the opportunity to complete various distances, including a 100 Miler, 50 Miler, 50K, and a 10 Miler. It serves as a perfect way to log those final mi..

The Wild in the Woods Trail Race is part of the Big River Trail Series, featuring 5 and 10-mile race options at Broemmelsiek Park. Scheduled for December 6, 2025, this event offers participants a chance to enjoy scenic trails while competing for points in the series. Post-race festivities include a..

The Shippey Endurance Runs is a challenging ultra marathon event held in Missouri, featuring various distances including 100 miles, 100 kilometers, a Night 40 miler, and a 20 miler, along with a 100-mile relay option. Set in the scenic Beaumont Scout Reservation, the event offers a unique opportunit..

The Castlewood Cup is an annual trail running event that will take place for its 18th edition on February 7, 2026, at Castlewood State Park. Participants will tackle a challenging 15km course featuring a variety of terrains, including uphills, downhills, and switchbacks, making it a true test of tra..

The Flat Branch Ultra is a 50K running event held in Columbia, Missouri, starting from Martin Luther King Jr. Memorial Park. Established in 2022, the race features a scenic course along the Missouri River and the MKT Trail, showcasing natural beauty and wildlife.Participants will encounter multiple..