Trail Running calendar near Eureka 2025-2026

We have found 24 Trailruns within 80 miles of Eureka. See below where and when you can find the races.

Join Turkey Trails St. Louis on Thanksgiving morning for a fun family run at Queeny Park with chip timed 5k and 10k races, plus a 1 mile and kids dash. Enjoy free photos, finish line treats, race shirts and medals, or run virtually from hom..

Take on Turkey Ridge in Wildwood, MO at the Trail Trot, a timed 2 or 4 hour looped endurance race with a small capped field and big trail views. Early registrants snag hoodies and competitors earn handcrafted wooden awards while supporting..

December 2025

Take on the Frozen Chosin Challenge at Johnson Shut Ins State Park December 5 to 7, 2025, a rugged winter weekend honoring Korean War veterans. Choose 40 mile, 17 mile or 4 mile routes with steep trails, river fords and bivouac camping.

Run the Wildwood Trail Marathon on December 6, 2025 in Wildwood, MO with full and half distances across scenic single track, gravel and greenway. Finishers get a custom medal, a tee if you register early, free race photos and a catered post..

Hit the trails at Broemmelsiek Park on December 6 for Wild in the Woods, a scenic 5 mile or 10 mile looped trail race. After the finish enjoy a fire pit, live music, snacks, a complimentary beer for 21 and over and a custom giveaway.

Join the 36th Pere Marquette Endurance Trail Run on December 13, 2025 in Grafton, Illinois. This 7.8 mile route winds through Pere Marquette State Park with hilly, scenic terrain plus pre race coffee, packet pickup in the lodge, and post ra..

January 2026

Kick off the new year with Doomsday 5K, a beginner friendly trail run at Cliff Cave County Park in Saint Louis on January 1. Tackle rolling hills, earn a custom finisher medal and enjoy post race coffee at this eco conscious event.

Brave winter trails at Creve Coeur Park on January 4, 2026 with the Shivery Icy Trail Run offering 1 mile to half marathon options plus virtual entries. Enjoy a finisher hat, hot drinks, live music and support Crohn and Colitis research.

Shippey Endurance Runs is a winter trail ultra at Beaumont Scout Reservation offering 20 miles up to 100 miles, a 100k and a five person 100 mile relay over rugged single track and jeep roads. Indoor aid stations and on site camping.

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 and rolling climbs at Castlewood State Park on January 31, 2026 for the Castlewood Cup. Celebrate at a post race BBQ with beer, live music, a sweatshirt and finisher medal while earning Big River Trail Se..

February 2026

Run the 9th annual 963 Beulah Challenge, a 75 runner night trail event at Greensfelder County Park with timed multi hour loops on technical single track. Proceeds support Gateway Off Road Cyclists and a solid headlamp is recommended.

Run the Iron Heart at Maramec Spring Park in mid February, a Valentine themed trail event with distances from 5K to 100 mile and relay options. Scenic loops, hot aid station treats and finisher belt buckles reward every rugged mile.

March 2026

Queeny Backyard Ultra sends runners around a 4.19 mile scenic loop at Queeny Park on repeat until only one remains. The last runner standing wins a Silver Ticket and advances to the World Team Competition at Big's.

Take on scenic West Tyson County Park with options from an 8 mile fun run to a challenging 50K, plus a new 25K ruck class. Loop trails and well stocked aid stations make the Double Chubb a supported, adventurous day on the dirt.

Test your endurance on a scenic 1.5 mile loop at Schon Park with timed 3, 6 or 9 hour options and rolling hills. Run as many laps as you can, chase awards and enjoy aid station support on a friendly community course.

April 2026

Ozark Foothills Endurance Runs returns to Wildwood Missouri April 10 to 12 2026 with trail options from a free 1 mile Kids Fun Run to a 100 mile ultra. Weekend highlights include a night 50K and a 25K ruck, with cup free low waste race prac..

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.

May 2026

Take on the rugged single track Berryman Trail in Mark Twain National Forest with marathon and 50 mile options, featuring rolling hills, rocks and roots and scenic creek crossings. Aid stations and camping available.

June 2026

Tackle rugged, boulder strewn trails and steep climbs at Baby Shippey, a cupless summer trail race at Beaumont Reservation. Limited to 150 runners, pick a half marathon or 10K for a raw, adventurous day on primitive singletrack.