Missouri Mud Run & Obstacle Race Calendar 2025-2026

If you're an adrenaline junkie, fitness enthusiast, or simply seeking a thrilling outdoor adventure, you've arrived at the perfect destination. Our meticulously curated calendar is your gateway to the most exhilarating and challenging mud runs and obstacle races taking place in 2025 and 2026.

Prepare to conquer mud-slicked trails, scale towering walls, navigate through grueling obstacles, and push your physical and mental boundaries. Our mission is to provide you with all the essential information you need to plan your race year, including dates, locations, race details, and registration information.

Conquer the Gauntlet - Springfield

Springfield • 7 Jun 2025

Obstacle Run

The Conquer the Gauntlet - Springfield will take place in Springfield on Saturday 7 June 2025.

Mud Factor - St. Louis

Eureka • 14 Jun 2025

5 km

Mud Factor - St. Louis is a family-friendly, 5K mud and obstacle run held at Brookdale Farms in Eureka, Missouri. The event features both adult and KIDZ Family Waves, making it suitable for all ages.

Participants can expect a fun and challenging course filled with various obstacles designed to test endurance and agility in a muddy environment. The atmosphere is lively and inclusive, encouraging families and groups to enjoy an active day outdoors. Spectators can access the festival area for a fee, adding to the event's community vibe.

Mud Factor emphasizes fun, fitness, and camaraderie in a unique outdoor setting. Visit the organization's website for the most recent information.