Corps of Discovery Trail Races

The Thunder Chicken 100K Stage Races is an exciting three-day trail running event held at Camp Wyman in Eureka, Missouri. Scheduled for May 2-4, 2025, participants can choose to compete in various distances, including a 21-mile, 26-mile, and a 25K race, or tackle all three stages. The courses featur..

Baby Shippey is an exciting summer running event held at the scenic Beaumont Reservation, featuring challenging trails that test participants' endurance and skills. Runners can choose between a Half Marathon (approximately 13.25 miles) and a 10K (approximately 6.25 miles), both of which include rugg..

The Dark 2 Dawn Night Trail Races, organized by Terrain Trail Runners, is an exciting overnight trail running event taking place at Indian Camp Creek Park in Foristell, MO. Scheduled for June 21-22, 2025, participants can choose from a 10K, 6-hour, or 9-hour timed ultra race, all set on a scenic loo..

Get Your Butt Kicked @ Route 66 is a unique running event held at Route 66 State Park in Eureka, MO, featuring 3-hour and 6-hour timed race options. The course consists of a 2.425-mile loop through scenic wooded areas, designed for both novice and experienced ultra runners. Participants must be prep..

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 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..