Castlewood Cup

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..

Corps of Discovery Trail Races, hosted by the St. Louis Track Club, take place in the Weldon Spring Conservation Area near Saint Charles, Missouri. Runners choose from a 5-mile Clark Trail loop, an 8-mile Lewis Trail loop, or a Half Marathon that combines both trails for about 13.1 miles.The course..

The Rockin' Rockwoods 53K and 1/2 Marathon is an annual trail running event held at Greensfelder County Park in Wildwood, Missouri. Featuring a challenging course on the scenic Green Rock Trail, the race includes a 53K ultra, a 1/2 marathon, and a 1/2 marathon ruck division where participants carry..

DeClue Loops Trail Race, hosted by the St. Louis Track Club, runs in Greensfelder Park in Wildwood, Missouri. The DeClue Trail is an 8.2-mile loop that begins and finishes near the Visitor’s Center, run counter-clockwise.Runners may choose 1 loop (8 miles), 2 loops (16 miles), 3 loops or more (full..

The Minnie Ha Ha 6 & 12 Hour Run is an annual timed ultrarunning event held at Minnie Ha Ha Park in St. Louis, Missouri. The race features 6- and 12-hour options on 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..

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—Dogwood, Woodbine, Hawthorn, and Equestrian—with about 1,350 feet of elevation gain. It welcomes both..