St. Louis
Trail Running Calendar near St. Louis 2026-2027
Explore the top trail runs near St. Louis for 2026-2027! We've gathered 36 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Free after dark social Halloween run in Chesterfield with treats, a free 4 Hands beer for runners 21 and older, raffle prizes and ghost stories.
A family-friendly color run in Freeburg, IL on September 26, 2026 that honors a life and raises awareness about distracted driving. The course includes color stations and an optional wooded trail with gentle hills and creek crossings.
October 2026
A repeating loop backyard ultra at the New Town amphitheater in Saint Charles, Missouri, with a 4.17 mile runner loop and a 2.6 mile ruck division that includes weight minimums. Race proceeds support MSMDS research.
Free, beginner friendly guided trail running and hiking program in the St Louis metro from October 11 to December 20, 2026, with guided groups and ruckers welcome.
Timed 6 hour and 12 hour runs on a USATF certified 1.17 mile paved loop through a mostly flat wooded park with Meramec River views.
Open 5K at Jefferson Barracks Park in Saint Louis as part of the Hancock XC Invitational, held on the meet's historic cross country course and open to a range of ages.
A 15K trail race and 15K ruck at Babler State Park on October 24, 2026, featuring a 15K loop with about 1,350 feet elevation and a cup free policy.
Weekend trail races at Castlewood State Park offering 10K, half marathon and 30K options with race shirts, finisher mugs, and custom awards.
Halloween-themed trail event in Legacy Park Cottleville offering 1 mile, 5K, 10K, a virtual option, and a kids dash with candy and a costume contest.
November 2026
Timed trail event on 11/28/2026 at Turkey Ridge in Wildwood with a 1.8 mile loop and 347 ft elevation gain per loop. Two time categories let runners complete as many loops as possible in 2 or 4 hours.
December 2026
A 7.8 mile trail run through Pere Marquette State Park in Grafton, IL on 12/12/2026 with packet pickup, pre race coffee and post race awards held in the park lodge. The event is planned to run in most weather conditions.
A winter trail run series at Rockwoods Reservation across three dates, offering varied routes, chip timing, finisher medals, shirts and live course tracking.
January 2027
Celebrate the New Year at Cliff Cave County Park with the Doomsday 5k, the first trail foot race held at this St. Louis location.
Winter trail event at Creve Coeur Park offering 1 mile, 5K, 10K and a half marathon with shirts, medals, hot drinks and proceeds benefiting the Crohn's and Colitis Foundation.
A winter trail run series at Rockwoods Reservation across three dates, offering varied routes, chip timing, finisher medals, shirts and live course tracking.
A Midwest winter ultramarathon in Missouri on January 16 and 17 2027 offering multiple trail distances from 20 miles to 100 miles, including a night 40 miler. The event is managed by PR Racing and alternates course direction by year.