Corps of Discovery Trail Races

The Queeny Backyard Ultra is a unique running event taking place in Queeny Park, St. Louis, MO, featuring a "Last Person Standing" format. Participants must complete a 4.19-mile loop within one hour, continuing this process until only one runner remains.The course includes a mix of paved and dirt tr..

The Weldon Spring Trail Marathon and Half, organized by the St. Louis Track Club, invites participants to experience a scenic and challenging course in Weldon Spring, Missouri. Set against a backdrop of beautiful landscapes, runners will navigate through wooded areas, scenic overlooks, and diverse t..

The Schon Park 3/6/9 Endurance Runs, hosted by Ultra Bound Coaching, is an exciting endurance event taking place in Glen Carbon, IL. Participants can choose from three timed events: a 3-hour, 6-hour, or 9-hour run, all set on a 1.5-mile looped course featuring paved paths and rolling hills. The even..

The Ozark Foothills Endurance Runs is a multi-distance running event taking place in Wildwood, Missouri, from April 4 to 6, 2025. Participants can choose from various race options, including a Kids Fun Run, 100M, 100K, 50M, 50K, NIGHT 50K, 25K Ruck, Marathon, and 25K. The event emphasizes sustainabi..

The Double Chubb event in St. Louis, MO, offers participants a choice of three race distances: 50K, 25K, and 8M, set in the scenic West Tyson County Park. This trail race emphasizes a relaxed atmosphere, with an approximate 8.5-hour cutoff for all distances.Participants can pick up their race packet..

The Thunder Chicken 100K Stage Races is a three-day trail running event held at Camp Wyman in Eureka, Missouri. Scheduled for May 2-4, 2025, participants can choose to run all three stages or select individual races, including a 21-mile, 26-mile, and 25K. The courses feature challenging terrain with..