Trail Running calendar near Defiance 2025-2026

The Berryman 50 Mile and Marathon Trail Races take place at Berryman Campground in the Mark Twain National Forest near Potosi, Missouri. The event features two distances: a 50-mile ultra and a marathon, both run on the historic 26.4-mile Berryman Trail loop. The marathon covers one loop, while the 5..

The Baby Shippey will take place in High Ridge on Sunday 1 June 2025. You can run between 10 and 13 miles.

The Dark 2 Dawn Night Trail Races is an all-night trail running event held at Indian Camp Creek Park in Foristell, Missouri, on June 21-22, 2025. Organized by Terrain Trail Runners, the race offers multiple options: a 10K, a 6-hour, and a 9-hour timed ultra. Participants run on a scenic, approximate..

Get Your Butt Kicked @ Route 66 is a timed ultramarathon event held in Route 66 State Park near Eureka, Missouri. Participants can choose between 3-hour and 6-hour races, running multiple laps on a measured 2.425-mile loop through wooded terrain. The course is flat and fast, suitable for both beginn..

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 navigate through the beautiful landscapes of the Mark Twai..

The Corps of Discovery Trail Races, organized by the St. Louis Track Club, are held annually in the Weldon Spring Conservation Area. The event features multiple race options, including a half marathon, 8-mile, and 5-mile races, with the 2025 edition scheduled for August 30th.The courses wind along s..

The Rockin' Rockwoods 53K and 1/2 Marathon is an annual trail running event held at Greensfelder County Park in Wildwood, Missouri. The race features challenging courses on the scenic Green Rock Trail, with terrain including hard-packed dirt, loose rocks, roots, creek crossings, and steep, technical..

The Devil's Toll Race is a challenging 13-mile trail event held in the rugged landscapes of Missouri’s Ozark Trail. Participants can choose between running or hiking, either solo or in teams of two. The course features steep climbs, rocky terrain, and stunning vistas, including the highest point in..

The DeClue Loops Trail Race is an annual running event held in Greensfelder Park near Wildwood, Missouri. Participants can choose from multiple distances, including 8 miles, 16 miles, a full marathon (26.2 miles), or a 50K ultramarathon, all on the scenic DeClue Trail, an 8.2-mile loop featuring rol..

The Lion King Backyard Ultra is an ultramarathon race held at Lions Club Park in Rolla, Missouri. Participants run a 4.167-mile trail loop every hour, day and night, with no predetermined end time. The race continues until only one runner completes a lap more than all others, crowning the last finis..

The Minnie Ha Ha 12 Hour Run is a timed ultra running event held annually at Minnie Ha Ha Park in St. Louis, Missouri. The race features a USATF-certified, 1.17-mile paved loop course that winds through a mostly flat, wooded park with scenic views of the Meramec River and vibrant fall foliage.The st..

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 Ozark Trail 100 Mile Endurance Run is a renowned ultra-marathon held in the Mark Twain National Forest near Steelville, Missouri. Covering nearly 101 miles of pristine Ozark single-track trail, the race features approximately 12,000 feet of elevation gain, stream crossings, and technical terrain..

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, mostly single-track trails featuring a mix o..

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 Shippey Endurance Runs is a challenging ultra marathon held at Beaumont Scout Reservation near St. Louis, Missouri. The event features multiple race distances, including 100 miles, 100K, 40 miles, and 20 miles, as well as a 5-person relay for the 100-mile distance.The course comprises five loops..

The Castlewood Cup is an annual trail running event that will take place for the 18th time 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. The event not only tests runner..