Trail Running calendar near Potosi 2025-2026

Start the year on the trails with the Doomsday 5K at Cliff Cave County Park. This rolling dirt course rewards every finisher with a custom medal and practices reduced waste so bring your own mug for post race coffee. Open to all genders.

ShITR Shivery Icy Trail Run brings frosty trails to Creve Coeur Park with 1 mile to half marathon races in person or virtual. Finishers receive a winter hat, hot drinks and live music while benefiting Crohn's and Colitis Foundation.

Test your limits on a scenic 20.35 mile loop near St Louis offering distances from 20 mile to 100 mile, plus a 100 mile team relay. Rugged single track, big climbs, indoor weekend lodging, cupless aid, and finisher swag make for a memorable..

Run winter trails at the FROZEN STICK Trail Run in Glencoe, Missouri, offering 5 mile and 13.1 mile courses through Bluffview, Rock Hollow and Zombie Trails. Finish at LaSalle Middle School for indoor post race festivities and finisher swag..

Tackle 15 km of single track trails, climbs, and switchbacks at Castlewood State Park on January 31, 2026 as part of the Big River Trail Series. Celebrate with post race BBQ, a sweatshirt and finisher medal, beer and live music.

Run under the stars at the 963 Beulah Challenge, a capped night trail loop at Greensfelder County Park benefiting local trail groups. Choose from timed 3, 6 or 9 hour options on a rugged 4.2 mile single track loop with a central aid station..

Celebrate Valentine's season with the Iron Heart trail races at Maramec Spring Park near St James, Missouri. Choose distances from 5K to 100 miles solo or relay and tackle scenic singletrack with friendly aid stations and camping options.

Hit the scenic trails at West Tyson County Park with race options from 8 miles to 50K, plus a 25K ruck that requires a 20 pound pack. Friendly aid stations and finisher medals make this a rewarding spring trail challenge.

Take on trail challenges at the Ozark Foothills Endurance Runs in Wildwood MO, April 10 to 12, 2026, with distances from a kids mile to 100 miles and a Night 50K. Cup free event so bring your own plate and spork; pacers available.

Run the Green Park Viking Dash on April 18, 2026 with a family friendly 5K or 1 Mile Fun Run along Grant's Trail and nearby neighborhoods. Medals for all, proceeds benefit Green Park Lutheran School, and shirts for early registrants.

Ozark's Mountain Challenge invites hikers to Sam A. Baker State Park for eight ascents of Mudlick Mountain completed within 12 hours. Expect steep, rugged trails and a challenging but rewarding endurance experience.

Run Echo Bluffs State Park trails in Eminence, MO on May 2 with distances from 5k to a trail marathon and relays. Enjoy timed results, a custom shirt and handcrafted wooden medal, post race vendors and kids events; bring your own cup.

Join the Spring Sprung at Queeny Park for 5K, 10K, 10K Ruck and half marathon on scenic paved trails with tunnel and bridge crossings. Chip timing, finisher medals, race shirt and snacks support Rockwoods School District Cross Country.

Run a scenic, challenging loop in Mark Twain National Forest at the 26th annual Berryman Trail Races on May 16, 2026. Marathon and 50 mile options, with steady hills, rocky single track, creek crossings, and lively trail camaraderie.

Baby Shippey on June 7 at Beaumont Reservation in High Ridge, Missouri is a no frills, cupless trail challenge with half marathon and 10K options over rugged, rocky terrain and big climbs. Expect technical trails, limited aid, and post race..

Run under the stars at Dark 2 Dawn Night Trail Races June 27 and 28 in Foristell MO, with 10K, 6 hour and 9 hour options on a scenic 6.7 mile loop of fields and single track. Enjoy onsite camping, free race photos and a post race snack.

Bad Dawg Ultra near Waynesville Missouri features distances from 12 to 100 miles on a scenic 10 mile out and back loop through rolling Ozark hills. Organized by ultrarunners, it benefits OneSolePurpose shoe drives for Title 1 students.

Join the Labor Day Slay on Saturday, August 29, 2026 at Queeny Park in St Louis for 5k, 10k, half marathon and 10K Ruck on fully marked trail loops. Expect chip timing, finisher medals, swag and race day packet pickup.

Run the Babler Bongo 15K Trail Race at Babler State Park on October 24, 2026, with a ruck division for those seeking a weighted pack challenge. Finishers earn a custom Babler Bongo patch and a portion of ruck entries supports DOGS for our B..

The Bodies Race Company - Ballwin will take place in Ballwin on Saturday 28 November 2026. You can run between 5 and 13 miles.