Pere Marquette Endurance Trail Run

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 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, it features multiple race distances including a 10k, half-marathon, 30k, and challenge events combining these distances (10k - Half Marathon Challenge and 40k Chall..

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..