Trail Running calendar near Grafton 2025-2026

The Corps of Discovery Trail Races, hosted by the St. Louis Track Club, take place annually in the scenic Weldon Spring Conservation Area near Saint Charles, Missouri. The event offers three distances: a 5-mile Clark Trail loop, a new 8-mile Lewis Trail loop, and a half marathon combining both trail..

The Labor Day Slay is a multi-distance running event held at Queeny Park in St. Louis, Missouri. Scheduled for August 30, 2025, it features a 5K, 10K, Half Marathon, and a 10K Ruck with 20 or 40-pound rucksacks.Participants run, walk, jog, or ruck on shaded, rolling trails starting from the Smith Pa..

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 DeClue Loops Trail Race is a premier trail running event held in Greensfelder Park, Wildwood, Missouri. The race features a scenic 8.2-mile loop on the DeClue Trail, starting and finishing near the park's Visitor Center. Participants can choose from multiple distances: 8 miles (1 loop), 16 miles..

The Minnie Ha Ha 12 Hour Run is a timed ultra running event held 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 fall foliage.Participants can choose..

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

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 SKIPPO Trail Race is a popular two-day trail running event held at Castlewood State Park in Ballwin, Missouri. Established in 2009, the race features multiple distance options including a 10k, half-marathon, 30k, and challenge events combining distances such as the 10k - Half Marathon Challenge..

The Wild in the Woods Trail Race, part of the Big River Trail Series, takes place at Broemmelsiek Park in Defiance, Missouri. The event offers two distances: a 5-mile single loop and a 10-mile double loop through scenic wooded trails. Known for its welcoming atmosphere, the race features post-race f..

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 courses..

The Pere Marquette Endurance Trail Run is a challenging 7.8-mile trail race held annually in December at Pere Marquette State Park in Grafton, Illinois. Celebrating its 35th year, the course features hilly terrain and scenic views through the park. Participants enjoy pre-race coffee and packet picku..

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

The Castlewood Cup is a challenging 15-kilometer trail running event held annually at Castlewood State Park in Missouri. Celebrating its 18th year in 2026, the race features a demanding course of single-track trails with varied terrain including uphills, downhills, and switchbacks, providing a true..

The 963 Beulah Challenge is an annual night trail running event held at Greensfelder County Park in Wildwood, Missouri. Participants choose from 3-, 6-, or 9-hour timed races on a 4.2-mile single-track loop featuring approximately 397 feet of elevation gain and loss per lap. The course is rugged wit..

The Queeny Backyard Ultra is a unique endurance running event held at Queeny Park in St. Louis, Missouri. This "last person standing" style race challenges participants to complete repeated loops of approximately 4.167 miles each hour until only one runner remains.The 2026 edition offers a "Silver T..

The Schon Park 3/6/9 Endurance Runs, hosted by Ultra Bound Coaching, take place in Glen Carbon, Illinois. This timed event offers three durations: 3, 6, and 9 hours, where participants run loops on a 1.5-mile paved course featuring rolling hills. Runners aim to cover the greatest distance within the..

The Ozark Foothills Endurance Runs, held in Wildwood, Missouri, offer a variety of trail running distances including 100 miles, 100K, 50 miles, 50K, a night 50K, marathon, 25K, and a 25K ruck, along with a free 1-mile Kids Fun Run. The event emphasizes sustainability with a zero-waste pledge, requir..

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 course features multiple aid stations stocked with standard ultra foods and electrolytes, promoting a cup-free, environmentally friendly race where runners must..

The Berryman 50 Mile and Marathon Trail Races take place annually at Berryman Campground in the Mark Twain National Forest, Missouri, between Steelville and Potosi. The event features two distances: a 50-mile ultra and a marathon, both run on the scenic, hilly Berryman Trail, a 26.4-mile single-trac..

Baby Shippey is a challenging summer trail running event held at the Beaumont scouting property in High Ridge, Missouri. It offers two rugged race distances: a 13.05-mile half marathon with approximately 2,390 feet of elevation gain, and a 6.1-mile 10K featuring over 1,100 feet of climbing. The cour..